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OPMM-1616-XT User Manual - Diamond Point International

1. Write the C value to the selected channel Set page 5 by writing 0x05 to the register 15 OxOF a Write the LSB to register 0 then write the MSB to register 1 b Write the C register write command to register 2 See information below 4 Write the M value to the selected channel a Write the LSB to register 0 then write the MSB to register 1 b Write the M register write command to register 2 See information below New settings do not take effect immediately The next channel update command will implement the new settings C register write command 0x10 chip number 0x20 channel number Binary format 0 lt chip no 0 35 1 0 O lt DAC channel 0 35 e Example for channel 1 write 0x11 0x10 0 0x20 1 e Example for channel 15 write 0x73 0x10 3 0x20 3 M register write command 0x08 chip number 0x20 channel number Binary format 0 lt chip no 0 3 gt 0 1 0 lt DAC channel 0 3 gt e Example for channel 1 write 0x09 0x08 O 0x20 1 e Example for channel 15 write Ox6B 0x08 3 0x20 3 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 36 DIAMON YSTEMS 11 SOFTWARE DRIVER OVERVIEW 11 1 Universal Driver Diamond Systems free Universal Driver software provides a powerful and efficient method of accessing all of the features and capabilities of RMM 1616A XT While many I O boards are very simple in operation and can be controlled easily with simple I O commands the D A c
2. 10 10 Program Counter Timer for Up Counting This procedure enables you to program a counter for up counting using an external signal on a DIO pin 1 2 3 Select the counter timer register page 3 write 0x03 to register 15 OxOF of any page Write the value 0x00 to registers 0 3 to clear the counter register Select either counter 0 or counter 1 Write the counter number to register 4 Note For the remaining operations below register 4 must remain loaded with the selected counter number 4 5 6 Write command 0x10 to register 5 to load the zero data into the selected counter Write command 0x21 to register 5 to select up counting Write command 0x60 to register 5 to select external DIO pin for the clock source e For counter 0 the source signal is DIO pin F4 e For counter 1 the source signal is DIO pin F5 e A falling edge on the DIO pin will increment the counter Write command 0x30 to register 5 to disable external gating of the counter This allows the counter to run freely For up counting the counter output signal is irrelevant write command 0x80 to register 5 to disable the counter output signal Write command 0x71 to register 5 to enable auto reload This allows the counter to run continuously If the counter reaches its terminal count of 2432 1 it will roll over to O and start counting up again 10 Write command 0x41 to register 5 to start the counter RMM 1616AP XT User Manual Rev A 3 www diamondsy
3. A10 GND B10 PERR C10 3 3V D10 Reserved A11 STOP B11 3 3V C11 LOCK D11 GND A12 3 3V B12 TRDY C12 GND D12 DEVSEL A13 FRAME B13 GND C13 IRDY D13 3 3V A14 GND B14 AD16 C14 3 3V D14 C BE2 A15 AD18 B15 3 3V C15 AD17 D15 GND A16 AD21 B16 AD20 C16 GND D16 AD19 A17 3 3V B17 AD23 C17 AD22 D17 3 3V A18 IDSELO B18 GND C18 IDSEL1 D18 IDSEL2 A19 AD24 B19 C BE3 C19 VI O D19 IDSEL3 A20 GND B20 AD26 C20 AD25 D20 GND A21 AD29 B21 5V C21 AD28 D21 AD27 A22 5V B22 AD30 C22 GND D22 AD31 A23 REQO B23 GND C23 REQ1 D23 VI O A24 GND B24 REQ2 C24 5V D24 GNTO A25 GNT1 B25 VI O C25 GNT2 D25 GND A26 5V B26 CLKO C26 GND D26 CLK1 A27 CLK2 B27 5V C27 CLK3 D27 GND A28 GND B28 INTD C28 5V D28 RST A29 12V B29 INTA C29 INTB D29 INTD A30 12V B30 REQ3 C30 GNT3 D30 GND KEY3 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 11 DIAMON S YSTEMS 5 3 Analog Output J4 Connector J4 brings the analog output signals to a pin header VOUT 0 1 2 IOUT 0 AGND 3 4 VOUT 1 IOUT 1 5 6 AGND VOUT 2 7 8 IOUT 2 AGND 9 10 VOUT 3 IOUT 3 11 12 AGND VOUT 4 13 14 IOUT 4 AGND 15 16 VOUT 5 IOUT 5 17 18 AGND VOUT 6 19 20 IOUT 6 AGND 21 22 VOUT 7 IOUT 7 23 24 AGND VOUT 8 25 26 IOUT 8 AGND 27 28 VOUT 9 IOUT 9 29 30 AGND VOUT 10 31 32 IOUT 10 A
4. BALE SA2 A29 B29 5V SA1 A30 B30 OSC SAO A31 B31 Ground Ground A32 B32 Ground RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 10 DIAMON S YSTEMS 5 2 PC 104 Plus PCI Bus Connector J3 Connector J3 provides the standard PC 104 Plus 32 bit PCI bus interface This connector is installed on all models with P in the model number Warning The PC 104 Plus connector on RMM 1616A XT is not 5V tolerant The board must be used in a system with 3 3V signaling on the PC 104 Plus connector The PC 104 Plus connector has pins for both 3 3V and 5V power RMM 1616A XT uses only the 5V pins for power and does not require 3 3V from the host computer If the PC 104 Plus connector is not installed the board will still obtain 5V from the PC 104 ISA connectors J1 and J2 For information on the signal definitions of this connector please view the PC 104 Plus specification available on www pc104 org A1 GND KEY5 B1 Reserved C1 5V D1 ADOO A2 VI O B2 AD02 C2 ADO1 D2 5V A3 ADO5 B3 GND C3 AD04 D3 AD03 A4 C BEO B4 ADO7 C4 GND D4 ADO6 A5 GND B5 AD09 C5 AD08 D5 GND Ap AD11 B6 VI O C6 AD10 D6 M66EN A7 AD14 B7 AD13 C7 GND D7 AD12 A8 3 3V B8 C BE1 C8 AD15 D8 3 3V AQ SERR B9 GND C9 SBO D9 PAR
5. Chip 1 000000 010000 020000 030000 Chip 2 200000 210000 220000 230000 Chip 3 400000 410000 420000 430000 Chip 4 600000 610000 620000 630000 Wait 200us Write to all DAC control registers on all DAC chips to set 0 5V range with outputs enabled Four commands are required for each chip one per channel Chip 1 1C4150 1D4150 1E4150 1F4150 Chip 2 304150 3D4150 3E4150 3F4150 Chip 3 504150 5D4150 5E4150 5F4150 Chip 4 704150 7D4150 7E4150 7F4150 10 Wait for all 4 DABUSY status bits 0 Page 1 register 7 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 26 DIAMON YSTEMS 10 5 Configure D A Output Range The output range for each channel on the AD5755 is set independently It is possible to configure each chip for any combination of output ranges including both voltage and current outputs The method for changing the output range on the AD5755 DAC is as follows 1 Select the D A register page 1 by writing 0x01 to register 15 OxOF in any page 2 Set output to OV OMA code Before setting the output ensure the current output code is stored in the DAC this code will be needed later in this process a If the currently configured range is 2 5V or 3 10V the required output code is 0x8000 otherwise it is Ox0000 Write the 16 bit code to registers 0 1 b Command 0x20 x chip number channel number Write the command to register 2 c Wait for DABUSYn 0 in register 7 3
6. The D A converters can be configured to power up in two modes selected with jumper position POC on jumper block J8 1 Jumper installed Current outputs are tristated and voltage outputs are tristated 2 Jumper not installed Current outputs are tristated and voltage outputs are tied to analog ground with a 30K ohm resistance The default setting is jumper installed 7 8 Old Jumper Jumper block J6 has one position labeled Old This jumper is reserved for future use and is currently not enabled 7 9 Default Configuration The default configuration configuration in which the board is shipped from stock is shown and illustrated below Note that both ISA and PCI configurations are provided for all boards however only the relevant configuration will matter depending on which bus connector is installed in use ISA base address 300 hex 768 decimal ISA IRQ level IRQ 7 pull down resistor enabled PCI slot number Slot 0 Bus select Auto bus select PCI bus if available Digital I O logic levels 5V Digital I O pull up down Pull up qo 9 8 ss gt o D A power on control Current and voltage outputs tristated DV 3VUPDN POC A9 A8 A7 A6 ail eG EERE EE PCI SL1 SLO 0LD151211109 7 6 5 4 3 PD pessoas saa RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 19 8 ANALOG OUTPUT TECHNOLOGY 8 1 Output Channel Organization The RMM1616A AP XT modules use the Analog Devices AD5755 quad 16 b
7. Write to the DAC control register with the new output range The output is temporarily disabled a Data 0x4110 range number Range numbers are listed below Write Data to registers 0 1 b Command 0x1C 0x20 x chip number channel number Write the command to register 2 Number Range 0 0 5V 1 0 10V 2 5V 3 10V 4 4 20mA 5 0 20mA 6 0 24mA 7 Invalid setting 4 Recall calibration settings if desired or if a current output range is selected 4 5 or 6 When changing between unipolar voltage ranges unipolar ranges and current ranges it is recommended to recall the stored calibration values for best accuracy When changing within unipolar bipolar or current ranges no calibration recall is necessary or available For example When changing from 0 5V to 5V recall the bipolar calibration settings for the channel When changing from 0 5V to 0 10V no calibration recall is required The calibration values are stored in the EEPROM See the EEPROM section for information on reading data from the EEPROM and writing the calibration values to the DAC 5 Write the existing output value to the DAC data register Write the 16 bit D A code to registers 0 1 Command 0x20 x chip number channel number Write the command to register 2 Wait for DABUSYn 0 in register 7 6 Write to DAC control register again to enable the output Data 0x4150 range number Range numbers are listed in step
8. 0 435 11 2mm max Bottom side 0 1 2 5mm max not including PC 104 connector pins and PC 104 Plus shroud Compatible with both top and bottom stacking Dual 50 pin 2x25 1 pitch right angle pin headers compatible with industry standard 50 pin ribbon cables 3 00z 85g 40 C to 85 C 5VDC 5 100 000 hours calculated Compliant RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 39
9. 1 pitch IDC female connectors at both ends RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 14 DIAMON YSTEMS 6 ARCHITECTURE OVERVIEW 6 1 Bus Interface The RMM 1616A XT family uses a new FPGA architecture that includes both PCI and ISA bus interfaces This allows the full functionality of the board to be offered in both PC 104 ISA connector only and PC 104 Plus ISA and PCI connector formats A PCI 104 version with only the PCI connector is available by special order The PC 104 Plus models may use either the PCI or ISA connector with a jumper option In most cases the user will want to use the default PCI interface The board s register map contains a total of 256 addressable 8 bit registers organized as 16 pages of 16 registers each Registers are grouped into pages according to function A D D A digital I O etc This page method allows the board to occupy a small footprint of only 16 bytes in ISA mode For consistency purposes the identical page system is utilized in PCI mode as well In both PCI and ISA modes all I O is 8 bits wide Operations that require 16 bit or wider data such as D A registers counter timer registers and PWM registers are managed with multiple 8 bit transactions 6 2 D A Circuit The RMM 1616A XT family utilizes the Analog Devices AD5755 D A converter for all analog output functions The AD5755 provides 4 16 bit DACs with high accuracy low drift programmable voltage and cu
10. 2 above Command 0x1C 0x20 x chip number channel number Write the command to register 2 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 27 DIAMON YSTEMS 10 6 Generate D A Conversion Single Channel This sequence assumes the output range has been previously set to the desired range and that the SIM bit 0 meaning simultaneous update mode is not enabled 1 Select the D A register page 1 by writing 0x01 to register 15 OxOF in any page Write the desired 16 bit output code to registers 0 1 Command 0x20 x chip number channel number Write the command to register 2 Wait for DABUSYn 0 in register 7 Write 1 to command bit DALDn in register 6 to update DAC n chip number nm BA o N 10 7 Generate D A Conversion Multi Channel with without Simultaneous Update 1 Select the D A register page 1 by writing 0x01 to register 15 OxOF in any page 2 To use simultaneous update mode the SIM bit must be set before any updates are made This is done by writing 1 to register 5 bit O 3 Any number of channels can now be written to with new data as described in the single channel procedure above steps 1 3 However do not write 1 to the DAL Dn bit after writing to the channel Wait for DABUSYn 0 for any chip before writing to that chip 4 After all channels are loaded with new data wait for all DABUSYn 0 to ensure all channels are ready Update all channels simultaneously write 1 to register
11. are sufficient for powering the board For information on the signal definitions of these connectors please view the PC 104 or PC 104 Plus specifications available on www pc104 org View from Top of Board J1 PC 104 8 bit bus connector J2 PC 104 16 bit bus connector IOCHCHK A1 B1 Ground Ground DO CO Ground SD7 A2 B2 RESET MEMCS16 D1 C1 SBHE SD6 A3 B3 5V lOCS16 D2 C2 LA23 SD5 A4 B4 IRQ9 IRQ10 D3 C3 LA22 SD4 A5 B5 5V IRQ11 D4 C4 LA21 SD3 A6 B6 DRQ2 IRQ12 D5 C5 LA20 SD2 A7 B7 12V IRQ15 DE CE LA19 SD1 A8 B8 OWS IRQ14 D7 C7 LA18 SDO A9 B9 12V DACKO D8 C8 LA17 IOCHRDY A10 B10 Key DRQO D9 C9 MEMR AEN A11 B11 SMEMW DACK5 D10 C10 MEMW SA19 A12 B12 SMEMR DRQ5 D11 C11 SD8 SA18 A13 B13 IOW DACK6 D12 C12 SD9 SA17 A14 B14 IOR DRQ6 D13 C13 SD10 SA16 A15 B15 DACK3 DACK7 D14 C14 SD11 SA15 A16 B16 DRQ3 DRQ7 D15 C15 SD12 SA14 A17 B17 DACK1 5V D16 C16 SD13 SA13 A18 B18 DO MASTER D17 C17 SD14 SA12 A19 B19 Refresh Ground D18 C18 SD15 SA11 A20 B20 SYSCLK Ground D19 C19 Key SA10 A21 B21 IR 7 SA9 A22 B22 IRQ6 SA8 A23 B23 IRQ5 SA7 A24 B24 IRQ4 SA6 A25 B25 IRQ3 SA5 A26 B26 DACK2 SA4 A27 B27 TC SA3 A28 B28
12. for the board For safety a protected area of the EEPROM stores a backup copy of the factory calibration settings In case the calibration settings become accidentally corrupted contact Diamond Systems Technical Support for information on how to restore the calibration settings from the backup copy Each channel has its own set of calibration values Each calibration value is 16 bits occupying two bytes in the EEPROM Each output range group has two calibration values one for offset called the C value and one for gain called the M value There are two output range groups with calibration values unipolar voltage 0 5V and 0 10V and bipolar voltage 5V and 10V Thus there are a total of 8 calibration bytes for each channel or 128 bytes total for the board Unipolar offset C 2 bytes Unipolar gain M 2 bytes Bipolar offset C 2 bytes Bipolar gain M 2 bytes Current output ranges do not have calibration values The calibration values for all current ranges on all channels are fixed as follows Offset C value 0x8000 Gain M value OxFE00 The calibration data is stored in the EEPROM as shown below Ss Definition Hex Decimal 0 0 Channel 0 M gain value LSB for unipolar ranges 1 1 Channel 0 M gain value MSB for unipolar ranges 2 2 Channel 0 C offset value LSB for unipolar ranges 3 3 Channel 0 C offset value MSB for unipola
13. interface Software Support Diamond s Universal Driver software with functions including e D A output e D A waveform generator e Calibration e Digital I O bit and byte wide e Digital UO PWM Mechanical Electrical and Environmental e PC 104 compliant form factor Dimensions 3 550 x 3 775 90 x 96mm 5VDC input voltage 40 C to 85 C operating temperature RoHS compliant o 8 28 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 6 2 3 Available Models The following models are available offering a selection of analog outputs for each bus configuration DIAMON S YSTEMS Model Number Analog Outputs Digital UO Bus Interface Notes RMM 1616AP XT 16 48 PCI ISA Standard stocked item RMM 816AP XT 8 48 PCI ISA Standard stocked item RMM 416AP XT 4 48 PCI ISA 50 unit minimum order RMM 1616A XT 16 48 ISA Standard stocked item RMM 816A XT 8 48 ISA Standard stocked item RMM 416A XT 4 48 ISA 50 unit minimum order RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 7 DIAMOND TS TF 3 BLOCK DIAGRAM RMM 1616 XT BLOCK DIAGRAM Precision Reference 4 Channel 4 Voltage Outputs 16 BitDAC 4 Current Outputs 4 Channel 4Voltage Outputs 5V 5V FPGA 16 BitDAC 4 Current Outputs Controller 4 PCI Bus 4 Channel Voltage Outputs Bus 16 BitDAC 4 Current Outputs Logic 4 Channel 4 Voltage Outputs MERUN 4 Current Outputs External
14. is in a 24 bit 3 byte format that includes an 8 bit command register ID plus 16 bits of data The 3 bytes are written to the DAC register group page 1 registers 0 2 These registers are shown below Register 2 shows the specific definitions of the command bits Page 0 registers 0 2 Offset 7 6 5 4 3 2 1 0 0 W DA7 0 1 W DA15 8 2 RD WR DA D1 DADO DA R2 DARI DARO DAAI DA_AO When a write occurs to register 2 the FPGA on RMM1616 transmits the 24 bits to the specified DAC During certain transmissions the status bit DABUSY for the target DAC will be 1 indicating the DAC is busy processing the command The software must therefore wait for a chip s DABUSY bit to be O before attempting a new data transmission to that chip Writing to a different chip does not require waiting for the first chip s DABUSY signal to return to 0 Page 0 register 7 Offset 7 6 5 4 3 2 1 0 7 R DABUSYD DABUSYC DABUSYB DABUSYA FAULTD FAULTC FAULTB FAULTA The instruction sequences below assume a 16 channel board with 4 DAC chips each with 4 channels For programming purposes the chips and channels are both numbered 0 3 Chip 0 has channels 0 3 chip 1 has channels 4 7 and so on The commands for all 4 chips are shown in sequence starting with chip O If a board has fewer than 4 chips the additional commands may be omitted or they may be executed with benign
15. results 1 Select the D A register page 1 by writing 0x01 to register 15 OxOF in any page 2 Perform chip reset on all DAC chips One command is required per chip The commands are 1C8555 3C8555 508555 708555 3 Program main control registers on all DAC chips One command is required per chip The recommended commands are 1C2000 3C2000 5C2000 7C2000 4 Program clear code registers on all channels on all DAC chips The clear code is the code that will be loaded into the DAC when the Clear command is executed this is different than a reset command Four commands are required for each chip one per channel Chip 1 180000 190000 1A0000 1B0000 Chip 2 380000 390000 3A0000 3B0000 Chip 3 580000 590000 5A0000 5B0000 Chip 4 780000 790000 7A0000 7B0000 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 25 DIAMOND SYSTEMS 5 Program DC DC control register on each chip One command is required per chip The recommended commands are 1C6077 3C6077 506077 706077 6 Write to all DAC control registers on all DAC chips to set 0 5V range with outputs disabled Four commands are required for each chip one per channel Chip 1 104110 1D4110 1E4110 1F4110 Chip 2 304110 3D4110 3E4110 3F4110 Chip 3 504110 5D4110 5E4110 5F4110 Chip 4 704110 7D4110 7E4110 7F4110 7 Write 0x0000 to all DAC registers on all DAC chips 16 commands Four commands are required for each chip one per channel
16. via one of the 1 bit digital UO ports The gate is optional and also derives from one of the 1 bit ports The output is also optional If enabled it is driven onto one of the 1 bit ports as well Both positive and negative output polarities are supported 6 5 Pulse Width Modulators The FPGA includes 4 24 bit pulse width modulator circuits Each circuit includes a period register as well as a duty cycle register Both registers may be updated in real time without stopping the PWM Duty cycles from 0 100 inclusive are supported as well as both positive and negative output polarity The PWM clock may be selected from the on board 50MHz clock or a 1MHz clock derived from the 50MHz clock The PWM outputs may be enabled onto the 1 bit port pins These are general purpose I O pins with limited voltage and current capability The user must determine whether these pins provide the appropriate voltage and current levels for the intended application or whether additional buffering or amplification is required 6 6 Interrupts Interrupts enable the board to request service independently of program operation typically in response to a user defined time interval or an external event The board supports interrupts from a variety of sources including both counter timers and the digital I O circuit The application program is responsible for providing the interrupt service routine to respond to the interrupt request An unserviced interrupt request may cause the c
17. 6 bit 7 10 8 D A Waveform Generator Programming the D A waveform generator is a complex operation which is beyond the scope of this manual When possible the Diamond Systems Universal Driver software should be used for this feature If assistance is needed to use the waveform generator without using Universal Driver please contact Diamond Systems technical support RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 28 DIAMOND YSTE 10 9 Program Counter Timer for Down Counting The most common uses of the counter timers are as a rate generator for controlling time functions such as D A waveform generator or timed interrupts and as a counter of external events To program a counter timer for down counting the procedure below may be used 1 Calculate the divisor needed to generate the desired pulse rate This requires selecting the clock source There are two possible internal clock sources 50MHz and 1MHz For the best time resolution the 50MHz clock should be used when possible A good rule of thumb is that if the desired rate is 5Hz or higher use the 50MHz clock otherwise use the 1MHz clock The divisor formula is Divisor clock source desired rate Round the calculated divisor value up or down as needed for best accuracy Select the counter timer register page 3 by writing 0x03 to register 15 OxOF of any page Write the divisor as a 4 byte unsigned value to registers 0 3 with 0 being the LSB and 3 being
18. 7 DIO DO 25 26 DIO D1 DIO D2 27 28 DIO D3 DIO D4 29 30 DIO D5 DIO D6 31 32 DIO D7 DIO EO 33 34 DIO E1 DIO E2 35 36 DIO E3 DIO E4 37 38 DIO E5 DIO E6 39 40 DIO E7 DIO FO 41 42 DIO F1 DIO F2 43 44 DIO F4 DIO F4 45 46 DIO F6 DIO F6 47 48 DIO F7 5VDC 49 50 DGND Connector type 0 1 pitch 50 pin 2x25 dual row right angle pin header with gold flashing Mating cable Diamond Systems C 50 18 Connector signal definitions DIO A0 A7 DIO BO B7 DIO C0 C7 DIO DO D7 DIO E0 E7 DIO F0 F7 5VDC Dgnd Digital I O port A or 0 directions of all 8 bits are set in unison Digital I O port B or 1 directions of all 8 bits are set in unison Digital I O port C or 2 directions of all 8 bits are set in unison Digital I O port D or 3 directions of all 8 bits are set in unison Digital I O port E or 4 directions of all 8 bits are set in unison Digital I O port F or 5 directions of each bit is set independently these bits also serve as counter and PWM I O signals 5VDC available for powering external logic limited to 100mA Digital ground used as return for Ext Trig signal RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 13 DIAMOND 5 5 Ribbon Cable The figure below shows Diamond Systems Cable C 50 18 which mates with both I O connectors J4 and J5 on the RMM 16161 board This is a 50 conductor ribbon cable 18 inches length with 2x25
19. A9 SA4 By definition the lowest 4 address bits SA3 SAO are all O for the base address since these are used to select a byte within the 16 byte window The upper address lines SA15 SA10 are always decoded as 0 to ensure a unique base address decode The table below lists the valid base address settings When a jumper is installed the corresponding address line is 0 When a jumper is removed the corresponding address line is 1 Addresses that are below 100 hex are considered invalid and should not be configured The default base address is 300 hex 768 decimal Base Base A9 A8 A7 A6 Address Address Hex Decimal In Out In In 100 256 In Out In Out 140 320 In Out Out In 180 384 In Out Out Out 1C0 448 Out In In In 200 512 Out In In Out 240 576 Out In Out In 280 640 Out In Out Out 2C0 704 Out Out In In 300 768 default Out Out In Out 340 832 Out Out Out In 380 896 Out Out Out Out 3C0 960 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 17 DIAMON YSTEMS 7 2 IRQ Selection ISA models only The ISA bus interrupt level is selected with jumper block J6 from levels 3 4 5 6 7 9 10 11 12 and 15 Install a jumper in any ONE location to select that IRQ number Only one IRQ may be selected at a time The PC 104 bus requires a 1K ohm pull down resistor on each IRQ line that is in use by a peripheral If multiple boards in the system are shari
20. DIAMOND S YSTEMS RUBY MM 1616A Family PC 104 PC 104 Plus I O Modules with 4 8 or 16 16 Bit Analog Outputs User Manual Rev A 3 May 2014 bo ee ti i i mi pe a NG ed Si a 5 e 4 Pa L83 Ce Revision Date Comment A 3 5 12 2014 Initial release FOR TECHNICAL SUPPORT Copyright 2014 PLEASE CONTACT Diamond Systems Corporation www diamondsystems com support diamondsystems com DIAMON S YSTEMS TABLE OF CONTENTS 1 Important Safe Handling Information 1 1 1 nunn nnnn nunn nnnn nunn nnnn nnmnnn na 4 2 Models and Features scncccnnnn GAGANA GG LA AG 6 2 1 DV OSCrIDUOMN A E E E E A A A A E E A tae eee 6 2 2 SEIT 6 2 3 Avalelle Models aaa ANNA AALANGAN 7 3x BlockeDiagram am n Ee 8 4 Board Drawing eeebaeesrEEEEEE SEENEN Error Bookmark not defined Le Ne el TEE 10 5 1 PC 104 OT EC 10 5 2 PC 104 Plus PCI Bus Connector 9 11 5 3 Analog Output U4 aanak case sagan ed gege See a LAAN cogadh AGAR Ann 12 5 4 Digital VO J5 E 13 5 5 elei e Le 14 6 Architecture e E 15 6 1 BUS INE MAGENTA GANA AA NAG 15 6 2 D A CUCU naaa aka na aNG AA RA DAA Ah e 15 6 3 Digital On anan ANNA NANANA aNG NANA ad 15 6 4 Counter Timers and Clock SourceS Laan anna aaaa aa aana a0 wNNN GN ANNN NAAN GN NAAN ANNAKA GANANG NANG KNNNAGANNAKGCNAGKNAKAKK0NKKK KNANG 16 6 5 Pulse Width Modulators am NTN NANANA a anes alias AA 16 6 6 MMU PU OUS eege eenegen EE Ee EE 16 7 Jump
21. GND 33 34 VOUT 11 IOUT 11 35 36 AGND VOUT 12 37 38 IOUT 12 AGND 39 40 VOUT 13 IOUT 13 41 42 AGND VOUT 14 43 44 IOUT 14 AGND 45 46 VOUT 15 IOUT 15 47 48 AGND EXT TRIG 49 50 DGND Connector type 0 1 pitch 50 pin 2x25 dual row right angle pin header with gold flashing Mating cable Diamond Systems C 50 18 Connector signal definitions Vout 0 15 Analog voltage outputs quantity depends on model All outputs start with Vout 0 and go up from there to Vout 3 Vout 7 or Vout 15 lout 0 15 Analog current outputs quantity depends on model Outputs are aligned in the same manner as voltage outputs Agnd Analog ground one is provided for each channel however all analog grounds are tied together so the application can use one or more as desired Ext Trig External trigger for D A waveform generator when using external clocking Dgnd Digital ground used as return for Ext Trig signal RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 12 SA Digital UO J5 DIAMON S YSTEMS Connector J5 brings the 48 digital I O signals to a pin header These lines have 3 3V logic levels with 5V input tolerance DIO AO 1 2 DIO A1 DIO A2 3 4 DIO A3 DIO A4 5 6 DIO A5 DIO A6 7 8 DIO A7 DIO BO 9 10 DIO B1 DIO B2 11 12 DIO B3 DIO B4 13 14 DIO B5 DIO B6 15 16 DIO B7 DIO CO 17 18 DIO C1 DIO C2 19 20 DIO C4 DIO C4 21 22 DIO C6 DIO C6 23 24 DIO C
22. NFORMATION WARNING ESD Sensitive Electronic Equipment Observe ESD safe handling procedures when working with this product Always use this product in a properly grounded work area and wear appropriate ESD preventive clothing and or accessories Always store this product in ESD protective packaging when not in use Safe Handling Precautions This board contains several I O and bus connectors with many connections to sensitive electronic components This creates many opportunities for accidental damage during handling installation and connection to other equipment The list here describes common causes of failure found on boards returned to Diamond Systems for repair This information is provided as a source of advice to help you prevent damaging your Diamond or any vendor s embedded computer boards ESD damage This type of damage is usually almost impossible to detect because there is no visual sign of failure or damage The symptom is that the board eventually simply stops working because some component becomes defective Usually the failure can be identified and the chip can be replaced To prevent ESD damage always follow proper ESD prevention practices when handling computer boards Damage during handling or storage On some boards we have noticed physical damage from mishandling A common observation is that a screwdriver slipped while installing the board causing a gouge in the PCB surface and cutting signal traces or dam
23. Output V I D A code 65536 x Span Minimum output value On power up or when the board is reset all voltage and current output pins are set to a tristate mode All outputs are reset to the 0 5V output range with the output code of 0 programmed into the output registers so that when outputs are enabled the voltage pins will have OV on them and the current pins will remain tristated The D A initialization sequence described later in this manual also sets all outputs to 0 5V range with OV output This sequence can be modified to use a different output range as desired RMM 1616AP XT User Manual Rev A 3 Page 21 www diamondsystems com DIAMON YSTEMS 8 3 Output Modes Each output channel on RMM 1616AP XT can be updated individually or any number of channels can be updated simultaneously including different channels on different chips Simultaneous update is useful when the application requires precise timing to avoid distortion or errors in the behavior of the controlled device for example when controlling the movement of an X Y table or a laser beam The Error Reference source not found chapter in this manual describes both single channel and multi channel output modes 8 4 Calibration Note The RMM 1616 is factory calibrated All calibration settings are stored in an on board EEPROM for instant automatic recall each time the board powers up All analog outputs power up to OV for safety If recalibration or calibration for nonst
24. Trigger Level Shifting 5 8 bit DIO Ports Transceivers 8 1 bit DIO Ports 5V 3 3V select Woon RB AnaLoc J vo Version 7 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 8 DIAMOND S YSTEMS 4 BOARD DRAWING 000000000000000000000000000000 000000000000000000000000000000 000000000000000000000000000000 000000000000000000000000000000 E 5V 3VUPON POC A9 AB A7 A6 CU P HaHa PCI SL1 SLO OLD 151211109 7 6 5 4 3 PD Pee AH ODO900000000000000000000000 O o O o O O O O O O O O o O O O O O O O O O O O EE POOO0000000000000000000000000Q O0000000000000000000 Connector Description Ji amp J2 PC 104 connectors J3 PCI connector J4 Analog connector J5 Digital connector J6 IRQ jumper block J8 Base Address jumper block Note Connectors that are not intended for customer use are not identified or described in this manual RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 9 DIAMON S YSTEMS 5 I O CONNECTORS Si PC 104 J1 J2 Connectors J1 and J2 provide the standard PC 104 16 bit ISA bus These connectors are installed on all standard models The PC 104 Plus has pins for 5V DN 12V and 12V power RMM 1616A XT uses only the 5V pins for power and does not require any other power source The 5V pins on the PC 104 and PC 104 Plus connector if installed will both be used by the board however any one connector s pins
25. a to the digital I O port output register 1 After software writes data it pulses ACK low DIO pin F7 by writing a 1 to DIO bit F7 see digital I O bit output instructions This clears all LATCHn status bits to O 2 External device pulses LATCH low DIO pin F6 to acknowledge receipt This sets LATCHn 1 for all ports where MODEn 1 3 Software waits for LATCHnh bit s to be 1 before proceeding with new data This is done by reading bits 3 0 in register 6 of DIO page 2 Bit 3 port D bit 2 Port C bit 1 port B bit O port A The cycle is repeated as needed by the application RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 34 DIAMOND YSTE 10 18 Reading from EEPROM Reading from the EEPROM can be done very easily All addresses can be read without any unlock code requirements 1 2 Set page 5 for the EEPROM access page by writing 0x05 to register 15 OxOF in any page Write desired address to register 0 For addresses above 255 write a 1 to register 1 8th address bit See the EEPROM information in this manual for the register map showing how calibration information is stored in the EEPROM Write 0xCO to register 7 to initiate the read operation Read register 7 bit 7 EEBUSY and wait for it to be 0 Read data from register 4 10 19 Writing to EEPROM Writing to the EEPROM requires writing an unlock code beforehand This is done in order to prevent accidental writes that could dest
26. aging components Another common observation is damaged board corners indicating the board was dropped This may or may not cause damage to the circuitry depending on what is near the corner Most of our boards are designed with at least 25 mils clearance between the board edge and any component pad and ground power planes are at least 20 mils from the edge to avoid possible shorting from this type of damage However these design rules are not sufficient to prevent damage in all situations A third cause of failure is when a metal screwdriver tip slips or a screw drops onto the board while it is powered on causing a short between a power pin and a signal pin on a component This can cause overvoltage power supply problems described below To avoid this type of failure only perform assembly operations when the system is powered off Sometimes boards are stored in racks with slots that grip the edge of the board This is a common practice for board manufacturers However our boards are generally very dense and if the board has components very close to the board edge they can be damaged or even knocked off the board when the board tilts back in the rack Diamond recommends that all our boards be stored only in individual ESD safe packaging If multiple boards are stored together they should be contained in bins with dividers between boards Do not pile boards on top of each other or cram too many boards into a small location This can cause dama
27. al device Latch mode is enabled by setting MODE 1 when setting the port s direction To do this follow the instructions for configuring the digital I O port direction as described above 10 16 Digital Output Bit except add 2 to the value written to register 6 All ports with MODE 1 operate in the same manner To avoid undefined or undesired behavior all ports operating in latch mode should have the same direction setting When any MODE bit is 1 the port F pins are reassigned as follows e Pin F6 is forced to input mode and operates as a latch signal LATCH and register bit F6 reads as O e Pin F7 is forced to output mode and operates as an acknowledge signal ACK and register bit F7 reads as 0 10 17 1 Latched Mode Input 1 An external device supplies data to the digital I O pins 2 The external device then drives LATCH pin low DIO pin F6 The falling edge latches data on all ports where MODEn 1 This sets LATCHn 1 for all ports where MODEn 1 3 Software monitors LATCHnh status bits to determine when new data is available To do this read bits 3 0 in register 6 of DIO page 2 Bit 3 port D bit 2 Port C bit 1 port B bit O port A 4 After software reads data it pulses ACK low DIO pin F7 by writing a 1 to DIO bit F7 refer to 10 16 Digital Output Bit instructions This clears all LATCHn status bits to O The cycle is repeated as needed by the application 10 17 2 Latched Mode Output 1 Software writes dat
28. andard D A ranges are needed please contact Diamond Systems for technical support All analog components contain inherent errors in offset and gain which affect the accuracy of the signals they generate These errors are very small on RMM 1616AP XT however they are still present and could present a problem for some high precision applications Calibration is used to correct these errors so that the actual output of the D A channels is as close as possible to the theoretical output The AD5755 D A converter uses a digital calibration method to correct for offset and gain errors Each output channel has a 16 bit Offset register called the C register and a 16 bit Gain register called the M register This enables each channel to be calibrated independently for maximum overall accuracy Each time an output code is written to a channel the chip will automatically apply the offset and gain correction to the code resulting in a corrected digital value This corrected value is then converted to the output voltage or current according to the output range The calibration process takes about 5us and is unavoidable This 5us delay is included in the specified settling time for the analog outputs For improved accuracy the bipolar voltage unipolar voltage and current output range groups each have their own calibration settings Within any group for example between the 0 5V and 0 10V ranges the differences in errors are very small so the same calibration val
29. case 16 For a 5V output range the resolution is 10V 65535 153uV This smallest change is commonly referred to as 1 LSB or the Least Significant Bit RMM 1616AP XT uses straight binary coding for all output values the range of output codes is 0 65535 The theoretical top value 65536 requires 17 bits to be represented in binary form which is unachievable in a 16 bit value Therefore the top value of each output range is unavailable and instead the maximum output value is 1 LSB less than the top value Because the lowest output code is always 0 which is represented in binary form the bottom value of each range is always equal to the exact nominal value of the range within tolerance of the accuracy The table below summarizes all this information for all output ranges on RMM 1616AP XT Resolution D A D A RangeGroup Range SPan oe Output Value Output value Unipolar Voltage 0 5V 5V 76 3uV 0 0000V 4 9999V Unipolar Voltage 0 10V 10V 153uV 0 0000V 9 9998V Bipolar Voltage 5V 10V 153uV 5 0000V 4 9998V Bipolar Voltage 10V 20V 305uV 10 0000V 9 9997V Current 0 20mA 20mA 0 305UA 0 0000mA 19 9997MA Current 0 24mA 24mA 0 366uA 0 0000mA 23 9996MA Current 4 20mA 16mA 0 244uA 4 0000mA 19 9998mA The conversion formula for analog outputs is the same for all ranges and is shown below minimum output value output value for a code of 0 shown in the table above
30. ck J8 This is the default configuration The jumper must be installed to enable PCI bus mode If this jumper is removed the board will always communicate over the ISA bus even if the PCI bus is present The table below lists all the possible configurations Jumper PCI present ISA present Bus Used Out No Yes ISA Out Yes Yes ISA In No Yes ISA In Yes Yes PCI 7 5 Digital UO Logic Level The logic levels for the digital I O can be set to either 5V or 3 3V logic levels All DIO lines are configured for the same voltage levels it is not possible to configure some for 5V and some for 3 3V operation The voltage level is selected on jumper block J8 Install ONE jumper in either the 5V or 3V jumper location The default is 5V WARNING Install only one jumper in either 5V or 3 3V positions Installing jumpers in both positions will short the two power supplies together and cause damage to the board and or the entire system RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 18 Re 7 6 Digital UO Pull Up Down The digital I O lines are tied to individual pull up down resistors which may be jumpered to either the DIO logic level voltage selected above or ground using locations UP or DN on jumper block J8 respectively All DIO lines are pulled up or down together it is not possible to configure some for pull up and some for pull down The default is pull up 7 7 D A Converter Power On Control
31. data from register n where n 0 5 for ports A F 0 5 3 Mask off the desired bit with a bitwise AND function e Value register value 4 2 bit number 0 7 4 Shift the bit into the LSB position to achieve a 1 0 value a Value value gt gt n 0 7 b Alternatively you can simply evaluate the value as zero or nonzero 10 16 Digital Output Bit Bit mode can be used for any of the 6 ports If a port is in input mode the written data will be stored in that port s output register but will not affect the pin s physical state However if the port is later changed to output mode the value of the output register will appear on the port s I O pins This allows the register to be preloaded with a value before being configured for output 1 Set page 2 to select the digital I O register page by writing 0x02 to register 15 OxOF in any page 2 Read the byte data from register n where n 0 5 for ports A F 0 5 3 Set or clear the desired bit to 1 or 0 e To seta bit use the operation value value 2 n n 0 7 e To clear a bit use the operation value value amp OXFF 2 n n 0 7 4 Write the new byte data to register n where n 0 5 for ports A F 0 5 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 33 Re 10 17 Digital IO Latched Mode Digital I O ports A B C and D may operate in latched mode This mode uses handshaking signals to control the transfer of data between the board and an extern
32. er Configuration aan AA AA AA Aa An 17 TA Base Address ISA models on 17 7 2 IRQ Selection ISA models only 18 7 3 PCI Slot Number PCI models only 18 7 4 BUS SOIC israe egene gege deg sop cess AA AAP 18 7 5 Digital O Mee UE 18 7 6 Digital W O Pull Me TTT 19 7 7 D A Converter Power On Control 19 7 8 Old Jumpers ics eee eels need dis tes ce eh sit ae inn tne a teense adda are ede 19 7 9 Defa lt Configuration ENER ENEE cag ii NEEN a LA AA a 19 8 Analog Output TECHNnOlOG sccccsecceeeeeeeeeeeeeeeeeneeneneeeeeeaeeesaaeenseeeeeeesesaaesasneeeneeeeseaesesaaesaseaeeseesesnaeseneeneneeees 20 8 1 Output Channel Organization ccccceccceceeeeceeeeeceeeeeeeaeeeeeeeceaeeeceaeeeeaaeseeeeesaeeesaaesseaeeseeeeeseaeessaeeseaeeeeaes 20 8 2 Output Ranges and Resolution cccceceesceceeeeeeeeeeeeeeeceeeeeceaeeeceaeeseaaeseaeeesaaeeseaaeeseaaeseeeeeseeessiaeeseaeeenaes 21 8 3 Output ele EE 22 8 4 Calibration aaa nancies tibial eebe AG ieee 22 H Calibration EEPROM a ANA AA EE 23 10 Programming BT OT TEE 24 10 1 OVORVIEW enee EENS EES 24 10 2 RMM 1616 Register Mapa GANA AN NANG NEEN EEN cobras 24 10 3 Reset Boang Lan a NAg Nakaya aaa 24 TOA Inilalze BO ars EE 25 TOF DA LEE 25 10 5 Configure D A Output RANJE E 27 10 6 Generate D A Conversion Single Chanel 28 10 7 Generate D A Conversion Multi Channel with without Simultaneous Update sesseeeeeeeeeeeeeeeeeeen 28 10 8 D AWavetorm Generalokg aaa ma
33. et independently with an 8 bit configuration register All digital I O lines on RMM 1616A XT power up in input mode All I O lines have pull up down resistors that can be configured for up or down with a jumper on the board When a bit is read it will always return the value on the physical I O pin If the bit is in input mode the pin is being driven either by an external signal or by the pull up down resistor When the bit is in output mode the pin is being driven by the output register on the board s FPGA essentially creating a readback operation To configure a port s direction use the following procedure This procedure assumes non latched mode For latched mode instructions see below 1 Set page 2 to select the digital I O register page by writing 0x02 to register 15 OxOF in any page 2 For ports A E 0 4 a Command byte port number x 4 direction where direction 0 for input or 1 for output b Write command byte to register 6 3 For port F 5 a Command byte is an 8 bit value where each bit is O or 1 to set the corresponding I O for input or output respectively For example a value of OxFO sets bits 7 4 as output and bits 3 0 as input b Write command byte to register 7 10 13 DIO Input Byte Byte mode can be used for any of the 6 ports If port F is being read in byte mode all 8 bits are returned in a one byte format and the individual bit values can be extracted from it Any bit which is in output mode wil
34. ge to connector pins or fragile components Power supply wired backwards Our boards are not designed to withstand a reverse power supply connection This will destroy each IC that is connected to the power supply i e almost all ICs This type of damage is not covered under Diamond Systems warranty The board will most likely will be unrepairable and must be replaced A chip destroyed by reverse power or by excessive power will often have a visible hole on the top or show some deformation on the top surface due to vaporization inside the package Check twice before applying power Overvoltage on bus connector The PC 104 Plus PCI connector on this product is compatible with 3 3V buses only If the board is installed on a CPU module with 5V signaling on the PC 104 Plus connector the FPGA on board that provides the PCI interface may be damaged The PC 104 ISA bus connector is 5V tolerant and will work without problem in any valid PC 104 system Overvoltage on analog output If an analog output is accidentally connected to another output signal or a power supply voltage the output can be damaged On most of our boards a short circuit to ground on an analog output will not cause trouble RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 4 verre Overvoltage on digital I O line If a digital I O signal is connected to a voltage above the maximum specified voltage the digital circuitry can be damaged On most of our boards
35. it D A converter chips to provide the analog outputs One to four chips are installed on the board depending on the model The channels are organized as follows Board Chip Channel Number Channel Number on Chip 0 0 0 1 0 1 2 0 2 3 0 3 4 1 0 5 1 1 6 1 2 7 1 3 8 2 0 9 2 1 10 2 2 11 2 3 12 3 0 12 3 1 12 3 2 12 3 3 DIAMON S YSTEMS RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 20 DIAMON YSTEMS 8 2 Output Ranges and Resolution These chips provide both voltage and current outputs in multiple output ranges Each channel on each chip can be set to a different output range including voltage and current ranges on the same chip Each channel has a voltage output pin a current output pin and a ground return pin The application wiring must connect to the voltage output pin or the current output pin as needed A D A converter converts a number or output code into an output voltage or current that is proportional to the number The output range is the range of possible output values from the smallest lowest value up to the highest largest value The difference between the highest and lowest output value is called the span For a 5V output range the span is 10V and for a 4 20mA output range the span is 16mA The smallest change in output value or resolution is equal to 1 2n x the span in which n the number of bits in this
36. k AA laman a na 28 10 9 Program Counter Timer for Down COUNTING ccccecececeeeeeceeeeeeaeeeeeaeeeeeeecaeeesaaeeeeaeeseeeescaeeesaeeseaeeeeaes 29 10 10 Program Counter Timer for Up Counting ccccccccceeeeeeceeee cece eeeaeeeeaaeseeeeesaeeesaaeseeaeeseeeeeseaeeseaeeseneeeeaes 30 10 11 Generate PWM OUt OU nahasa ad PA sia deed Eege GINA ANAN PANA 31 10 12 Configure DIO PormtiDireCtion Xa aaa RING ANA NAAD NAINA NAAN ANAN aE 32 10 13 DIO ale dE 32 10 14 DIO Output Byte 2 cece cence cece cece ae eeeeee AA yaa napadana iaaiaee aidia eaa aai adea a saa ade Eanes 32 10 15 Digital Input EE 33 10 16 Digital Output Di 33 10 17 Digital IO Latched Mode NAN GN NNAG ANAKAN ANAKAN NANG KNNAANANNAKNENAAKNNAASKNNNANANNAKGCNAGG0NAKK0NAAK KN ANN 34 10 17 1 Latched Mode Input 34 10 17 2 Latched Mode Output 34 10 18 Reading from EEPROM A 35 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 2 DIAMON YSTEMS 10 19 Writing to EEDROM cents caaeeecaaeegeaeecaeeecaaeeseaaeseeeeseaeeesaaesseaeeseeeeseaeeseaeeseaeeenaes 35 10 20 Recall Calibration Values oo cece cece cece ecceceeeceeeseee a 36 11 Software Driver OVERVICW ee ee Eege ENEE Eeer 37 11 1 Universal Driver 111112 2 una ddan Ann edsin snose rarasira Naeser asinine aadtka asiera 37 11 2 QUID POMO E 37 12 Specifications E 38 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 3 DIAMOND YSTE 1 IMPORTANT SAFE HANDLING I
37. l return the value in its output register which is the same as the value appearing on the physical I O pin 1 Set page 2 to select the digital I O register page by writing 0x02 to register 15 OxOF in any page 2 Read the byte data from register n n 0 5 for ports A F 0 5 10 14 DIO Output Byte Byte mode can be used for any of the 6 ports If a port is in input mode the written data will be stored in that port s output register but will not affect the pin s physical state However if the port is later changed to output mode the value of the output register will appear on the port s I O pins This allows the register to be preloaded with a value before being configured for output If port F is being written in byte mode only the bits that are in output mode will be affected The same output register preloading condition applies to port F bits 1 Set page 2 to select the digital I O register page by writing 0x02 to register 15 OxOF in any page 2 Write the byte data to register n where n 0 5 for ports A F 0 5 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 32 Ru 10 15 Digital Input Bit Bit mode can be used for any of the 6 ports Any bit which is in output mode will return the value in its output register which is the same as the value appearing on the physical I O pin 1 Set page 2 to select the digital I O register page by writing 0x02 to register 15 OxOF in any page 2 Read the byte
38. nabled on Port F to support digital I O counter timer and PWM operation These functions are controlled via register bits or commands in these other circuit blocks The special configuration when enabled overrides the current direction and value of the assigned port F bit The special functions for digital I O and counter timer operation are shown below Port F bit F7 F6 F5 F4 F3 F2 F1 FO Function Ack Latch Ctr1Clk CtrO0Clk Ctr1 Out Ctr0Out CtriGate CtrOGate Direction Out In In In Out Out In In I O signals F3 0 may also be reassigned as PWM outputs as shown below Port F bit F7 F6 F5 F4 F3 F2 F1 FO Function PWM3 PWM2 PWM1 PWMO Direction Out Out Out Out When a board reset occurs all DIO lines are released from any counter or PWM assignment and return to normal operation They are reset to input mode and their output registers are reset to 0 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com DIAMOND 6 4 Counter Timers and Clock Sources The FPGA includes 2 32 bit programmable counter timers that serve a variety of purposes The most common uses are a divide by n counter to create a programmable rate generator and counting external pulses Each counter has programmable input gate count enable and output functions The input may be selected from the on board 50MHz clock a 1MHz clock derived from the 50MHz clock or an external signal
39. ng the same IRQ number only one board should have the pull down resistor installed The pull down resistor is enabled with jumper position PD on jumper block J6 The default is IRQ 7 and pull down enabled In PCI bus systems the IRQ level is unique to each slot and is selected with the PCI slot selection jumpers 7 3 PCI Slot Number PCI models only PCI devices in a PC 104 system are configurable to occupy a slot on the bus This emulates the physical slots on a PCI backplane where each PCI slot has its own unique signals for ID select clock and IRQ Each PCI device must be assigned to a unique slot The PCI slot number for RMM1616 is selected with jumper positions SL1 and SLO on jumper block J8 The default is both jumpers installed to set PCI slot ID 00 Note On many PC 104 Plus SBCs slot 0 may already be occupied by a device on the SBC such as an Ethernet controller or some other on board peripheral SL1 SLO Slot In In 0 In Out 1 Out In 2 Out Out 3 7 4 Bus Select On models with both the ISA and PCI connectors installed the board can be set in auto bus select mode In this mode if the board is installed in a system with only the PC 104 connector it will use the ISA interface and if it is installed in a system with the PCI connector with or without the ISA connector it will use the PCI interface To use auto bus select mode or to use PCI mode install a jumper in position PCI on jumper blo
40. omputer to crash Diamond s Universal Driver software includes built in interrupt handling routines that can link to user defined code This feature lets you define the conditions that will generate an interrupt and then define the behavior of the system when an interrupt occurs RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 16 DIAMON YSTEMS 7 JUMPER CONFIGURATION This section describes how to configure the RMM 1616 board using jumper blocks J6 and J8 An illustration of the two jumper blocks is shown below All jumpers which are in use are installed in a vertical orientation across two pins in the jumper blocks The board may be supplied with several jumpers installed over only one pin which is a storage position The jumper is not needed in the default configuration but is supplied for possible future use Jumpers that are not needed may be removed 5V 3VUPDN POC A9 A8 A7 A6 0000000 DQHO aaa JQ 2 2 eetererers PCI SL1 SLO OLD 15 121110 9 7 6 5 4 3 PD DEER 7 1 Base Address ISA models only RMM 1616 occupies a range of 16 bytes in the I O memory of the PC The starting address of this 16 byte window is called the base address On ISA bus models the base address is configurable with jumper block J8 On PCI models the base address is configured by the BIOS during system startup The jumper locations labeled A9 A6 are used to select the ISA base address These lines correspond to ISA bus address lines S
41. ounter timers PWM and interrupt features of RMM 1616A XT are sophisticated and require complex setup and management to utilize their full capabilities The how to section of this manual provides an overview of the most common uses of the board which can suffice for many applications if you are using an operating system not supported by Universal Driver However if you are using an OS supported by Universal Driver it is far more efficient and effective to use Universal Driver The Universal Driver software and documentation are available online at www diamondsystems com products dscud The driver package consists of several downloadable modules The main driver software package the board specific demo programs and the documentation Universal Driver provides a collection of high level software functions in a library compatible with popular C language compilers The functions include board initialization D A operations D A waveform generator digital I O counter timer operations PWM functions and interrupts Universal driver lets you utilize all the features of RMM 1616 quickly and efficiently without having to deal with register level commands or complex sequences of operations A collection of demo programs provide illustration of the use of the driver functions and also provide a convenient starting point for your own application development 11 2 GUI demo Included with Universal Driver is a Windows GUI program graphical user interface that
42. r ranges 4 4 Channel 1 M gain value LSB for unipolar ranges 5 5 Channel 1 M gain value MSB for unipolar ranges 6 6 Channel 1 C offset value LSB for unipolar ranges 7 7 Channel 1 C offset value MSB for unipolar ranges 3C 60 Channel 15 M gain value LSB for unipolar ranges 3D 61 Channel 15 M gain value MSB for unipolar ranges 3E 62 Channel 15 C offset value LSB for unipolar ranges 3F 63 Channel 15 C offset value MSB for unipolar ranges In general you should never have to write new data to the EEPROM since the analog components on RMM 1616A XT feature high accuracy and very low drift However reading from the EEPROM is necessary to recall calibration settings when you change analog output ranges in order to ensure best accuracy It is advisable to recall the calibration values from the EEPROM whenever the range is changed from one range group to another When changing ranges within a range group no calibration recall is necessary Unipolar voltage range group 0 5V 0 10V Bipolar voltage range group 5V 10V Current range group 0 20mA 0 24mA 4 20mA RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 23 DIAMON YSTEMS 10 PROGRAMMING INSTRUCTIONS 10 1 Overview The analog outputs on RMM 1616 are provided by 1 4 Analog Devices AD5755 quad 16 bit D A converters This chip has a high degree of functionality and a correspondingly complex programming procedure When possible it is recommended to use
43. rest all its registers and functionality so that everything is in a default and inactive state The board is automatically reset whenever a power on reset or system reset occurs A reset causes the following to occur All digital I O lines revert to input mode so that they are not actively driving anything external to the board This will also cause all digital I O lines to attain the logic level set by the DIO pull up down resistor jumper e All counter timers PWMs and the D A waveform generator are stopped e All D A outputs revert to OV output current outputs are tristated The reset procedure is as follows 1 Write a 1 to the BRDRST bit Page 7 register 15 bit 7 2 Monitor EEBUSY bit and wait until it is 0 Page 5 register 7 bit 7 RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 24 DIAMON YSTEMS 10 4 Initialize Board Before any analog output functionality can be used the board must be initialized Board initialization consists of two tasks 1 Reset the board to its initial state as described above 2 Initialize the D A converter chips 10 4 1 D A initialization Initializing the D A chips is a complex procedure that requires programming several configuration registers for each DAC on each chip The RMM 1616 may have 1 to 4 DAC chips and each chip has 4 DACs Each chip as well as each DAC on each chip needs to be configured during the initialization process All data transmission to the DACs
44. roy calibration data stored in the EEPROM The EEPROM has 512 bytes Addresses 0 255 are accessible to the user Addresses 256 511 are reserved for the factory backup data and are not intended for user access 1 a fF oO N 7 8 Set page 5 for the EEPROM access page by writing 0x05 to register 15 OxOF in any page Before any write operation is allowed the unlock sequence must be performed Write OxA5 to register 8 Write 0x24 to register 8 The EEPROM may now be written to Only addresses 0 255 are accessible Write the desired address to register 0 Register 1 must be 0 to select an address in the range 0 255 Write the data to register 4 Write 0x80 to register 7 to initiate the write operation Read register 7 bit 7 EEBUSY and wait for it to be 0 The write operation is complete Additional writes can be done without rewriting the unlock code Write access is enabled until the board is reset or reinitialized RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 35 Re 10 20 Recall Calibration Values When changing from one analog output range group to another it is recommended to recall the calibration settings for the new range for best accuracy The procedure is shown below 1 Read C and M values from EEPROM See the Reading from EEPROM section above Read the 4 calibration bytes from the EEPROM for the channel and output range you need C register LSB C register MSB M register LSB M register MSB
45. rrent output ranges and digital calibration Up to 4 of these devices may be installed on the board depending on the model A precision low drift 5V voltage reference circuit provides the basis for the overall accuracy of the analog outputs The AD5755 contains an integrated digital calibration circuit consisting of a multiplier and adder Each time data is written to a DAC it undergoes a multiplication addition operation and the result is then transferred to the DAC channel This operation takes about 5 microseconds to complete Thus each write to a DAC channel results in a 5 us delay before the output begins to update to the new value The total settling time for one channel consists of the settling time for the DAC plus this calibration time 6 3 Digital UO The FPGA provides 48 digital I O lines that are brought out to a separate I O connector All UO lines are buffered for protection and have user configurable pull up down resistors as well as user configurable 3 3V 5V logic levels These lines are grouped as 5 8 bit ports and 8 1 bit ports The 8 bit ports utilize 8 bit bi directional transceivers whose directions are individually controlled via a register The 1 bit ports utilize 1 bit bi directional transceivers whose directions are similarly individually controlled via a separate register These 1 bit ports also serve as handshake signals for the other 5 ports as well as I O signals for the counter timers and PWMs Special functions are e
46. runs in Windows XP and 7 The GUI demo provides a quick way to access all the features of the board in a simple and intuitive manner The GUI is highly recommended as a starting point when using the RMM 1616 It can be used to verify that the board is installed and operating correctly as well as to become familiar with the various capabilities of the board The GUI demo is included with the main Universal Driver package RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 37 12 SPECIFICATIONS Host Interface Interface bus Bus selection Analog Outputs Number of outputs Resolution Output ranges Settling time Linearity error Differential nonlinearity Monotonicity Output current limit voltage outputs Open circuit voltage limit current outputs Reset Waveform Generator Number of channels Buffer size per channel Trigger source Digital UO Number of lines Input voltage Output voltage Output current O data transfer modes Counter Timers Number of counters Clock sources Count direction Clock source Gate DIAMON S YSTEMS PC 104 8 bit ISA bus or PC 104 Plus PCI bus Autodetection with PCI priority manual ISA override 4 8or 16 16 bits 0 5V 0 10V 5V 10V 0 20mA 0 24mA 4 20mA 10us maximum to 003 2 LSB maximum 2 LSB maximum 15 bits minimum 8mA or 16mA software selectable per channel 23V 24 5V 27V or 29 5V software programmable per channel All DACs reset to trista
47. sceivers for the DIO lines A 50 pin connector provides access to the 16 analog outputs and another 50 pin connector provides access to the 48 DIO lines The board operates over the industrial temperature range of 40 C to 85 C and is supported by Diamond Systems Universal Driver software Models are available with either PC 104 or PC 104 Pius I O expansion buses Ruby MM 1616 utilizes individual digital calibration for each analog output channel The calibration is performed at the factory prior to shipment All analog components are high accuracy and low drift enabling the board to avoid the need for recalibration for many applications during its useful lifetime 2 2 Features Board Features 4 8or 16 analog outputs with 16 bit D A resolution e Programmable voltage output ranges 0 5V 0 10V 5V 10V 0 20mA 4 20mA 0 24mA Independent output range for each channel e Waveform generator on up to 16 channels e Simultaneous update of any combination of channels e Multi channel simultaneous waveform output capability with up to 100KHz waveform update rate e Output current limit 5mA per channel in voltage mode e Autocalibration of D A circuits using the internal offset and gain registers for each channel 40 byte wide and 8 bit wide digital I O lines with programmable direction e 2 32 bit programmable counter timers e 424 bit pulse width modulators e PC 104 ISA 16 bit bus interface or PC 104 Plus ISA PCI 3 3V 32 bit bus
48. stems com Page 30 10 11 DIAMOND YSTE Generate PWM Output The board contains four PWMs that are numbered 0 1 2 and 3 Each PWM includes two counters The rate counter controls the pulse rate while the duty cycle counter controls the duty cycle The duty cycle can vary between 0 and 100 The output can be programmed for either high pulses positive polarity or low pulses negative polarity with the pulse being defined as the active portion of the duty cycle For example a pulse with 10 duty cycle and positive output polarity is high 10 of the period and low 90 of the period PWM outputs are available on Digital I O pins FO F3 for PWMs 0 3 respectively When a PWM is configured for output the normal DIO behavior of that pin is superseded with the PWM signal and the pin is set to output mode When the board is reset the DIO pin returns to normal operation and reverts back to input mode O O NO H ZS 11 12 Select the counter timer register page 3 by writing 0x03 to register 15 OxOF of any page This page also controls the PWMs Write command byte 0x08 PWM number 0 3 to register 11 to stop the PWM Calculate the divisor needed to generate the desired pulse rate a This requires selecting the clock source There are two possible internal clock sources 50MHz and 1MHz For best time resolution the 50MHz clock should be used when possible A good rule of thumb is if the desired rate is 5Hz or higher use the 50MH
49. te on voltage and current output pins Programmable clear code independent value per channel 1 to 16 1 to 2048 samples software programmable 2048 total sample limit Software counter timer or external signal software selectable 40 byte wide 8 bit wide programmable direction TTL CMOS compatible Logic 0 0 5V min 0 8V max Logic 1 2 0V min 5 5V max Logic 0 0 0V min 0 4V max Logic 1 3 0V min 4 6V max 2 5mA maximum per line Normal or latched software selectable 2 32 bit software programmable 50MHz 5MHz or external signal software selectable bidirectional software programmable optional automatic reload at 0 for rate generator use Internal or external software selectable Programmable counter gate for each counter RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 38 PWMs Number of PWM channels Duty cycle Output polarity Clock sources Interrupts Sources Software support Mechanical Dimensions Component height PC 104 stacking I O connectors Weight General Operating temperature Input power MTBF RoHS DIAMON S YSTEMS 4 24 bit software programmable period and on time 0 100 programmable Positive or negative programmable 50MHz or5MHz software selectable Counter timer digital I O or D A fault software selectable Universal Driver supports execution of user supplied code on interrupt 3 550 x 3 775 90 2 x 95 9mm PC 104 compliant Top side
50. the Diamond Systems Universal Driver software to control the board instead of programming it directly For applications using operating systems that are not supported by Universal Driver the information provided in this chapter may be used as a guide for programming the most common functions The digital I O counter timer and PWM functions are simpler Typically these functions can be easily programmed using direct register read write operations Instructions to do so are provided in this chapter 10 2 RMM 1616 Register Map RMM 1616 is controlled by an FPGA with a number of registers organized into pages Each page has 16 8 bit registers The 16 pages overlap each other in a physical 16 byte window in the PC s I O memory space The same register structure and memory footprint are used in both ISA and PCI interface modes The lowest address of this 16 byte window is called the base address In ISA mode the base address is selected with jumpers on the board In PCI mode the base address is programmed into the board by the PC s BIOS during startup and is accessible in the board s PCI registers To select the page the desired page number is written to the lowest 4 bits of register 15 These bits have the same definition in all pages so the page number can be both written and read at any time Offset 7 6 5 4 3 2 1 0 15 PAGE3 PAGE2 PAGE1 PAGEO 10 3 Reset Board Resetting the board causes the FPGA to
51. the MSB Select either counter 0 or counter 1 Write the counter number to register 4 For all remaining operations below register 4 must remain loaded with the selected counter number Write command 0x10 to register 5 to load the data into the selected counter Write command 0x20 to register 5 to select down counting For 50MHz clock write 0x62 to register 5 For 1MHz clock write 0x63 to register 5 Write command 0x30 to register 5 to disable external gating of the counter This allows the counter to run freely 2 3 4 5 6 7 8 9 10 Option To see the counter output on a DIO pin do one of the following For positive output pulses write 0x82 to register 5 For negative output pulses write 0x83 to register 5 Counter 0 output is available on DIO pin F2 Counter 1 output is available on DIO pin F3 When a counter timer is configured for output the normal DIO behavior of that pin is superseded with the counter output signal and the pin is set to output mode When the board is reset the DIO pin returns to normal operation and reverts back to input mode 11 To avoid having the counter output appear on a DIO pin write 0x80 to register 5 12 Write command 0x71 to register 5 to enable auto reload This allows the counter to run continuously 13 Write command 0x41 to register 5 to start the counter RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 29 DIAMOND YSTE
52. the acceptable range of voltages connected to digital I O signals is 0 5V and they can withstand about 0 5V beyond that 0 5 to 5 5V before being damaged However logic signals at 12V and even 24V are common and if one of these is connected to a 5V logic chip the chip will be damaged and the damage could even extend past that chip to others in the circuit Bent connector pins This type of problem is often minor and mostly cosmetic and is easily fixed by bending the pins back to their proper shape one at a time with needle nose pliers The most common cause of bent connector pins is when a PC 104 board is pulled off the stack by rocking it back and forth left to right from one end of the connector to the other As the board is rocked back and forth it pulls out suddenly and the pins at the end get bent significantly The same situation can occur when pulling a ribbon cable off of a pin header However if the pins are bent too severely or too often bending them back can cause them to weaken unacceptably or even break and the connector must be replaced RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 5 DIAMON YSTEMS 2 MODELS AND FEATURES 2 1 Description The Ruby MM 1616 is a family of PC 104 I O modules featuring 4 8 or 16 16 bit analog voltage and current outputs and 48 digital I O lines The module uses the Analog Devices AD5755 16 channel 16 bit DAC chip for the D A outputs and an FPGA with level shifting tran
53. ues are used for the entire group However between range groups the errors are noticeable so separate calibration values are used for each group The calibration values for the unipolar and bipolar voltage range groups are stored in an EEPROM on the board On power up or reset the unipolar voltage range calibration values are read from the EEPROM and loaded into the AD5755 chips If needed the calibration values for a different range can be read from the EEPROM and stored This is explained in the How to section later in this manual Note There are no calculated calibration values for current output ranges Instead default values are used When using a current output range the application software can load the default calibration values into the DACs See the Calibration EEPROM information below for the default values The conversion formula from the written output code and the calibrated code is as follows Corrected code Written code x M register 65535 OxFFFF C register 32768 0x8000 The minimum value is always 0 and the maximum value is always 65535 OxFFFF Any result which exceeds these limits will be automatically set to the limit The corrected code is then converted to the output voltage or current according to the formula above RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 22 DIAMON S YSTEMS 9 CALIBRATION EEPROM The board contains an EEPROM that stores the factory calibration settings
54. z clock otherwise use the 1MHz clock b The divisor formula Divisor clock source desired rate c Round the calculated divisor value up or down as needed for best accuracy d The divisor is programmed as a 24 bit number Break the divisor into three 8 bit bytes Write the divisor to registers 8 9 and 10 Register 8 is the LSB register 10 is the MSB Write 0x10 PWM number to register 11 to load the pulse rate divisor Calculate the duty cycle value as divisor duty cycle percent Write the duty cycle value to registers 8 9 and 10 Register 8 is the LSB register 10 is the MSB Write 0x18 PWM number to register 11 to load the duty cycle value For positive output polarity write Ox20 PWM number to register 11 For negative output polarity write 0x28 PWM number to register 11 Write 0x38 PWM number to register 11 then write 0x58 PWM to register 11 These two commands enable the pulse to appear on the associated port F pin Write 0x70 PWM number to register 11 to start running the PWM Write 0x08 PWM number to register 11 to stop running the PWM RMM 1616AP XT User Manual Rev A 3 www diamondsystems com Page 31 Re 10 12 Configure DIO Port Direction The digital I O ports on RMM 1616A XT are organized as 6 8 bit ports called A F or 0 5 respectively On ports A E all 8 bits for each port are set for the same direction with a single bit for each port On port F each of the 8 bits can have its direction s

OPMM-1616-XT User Manual - Diamond Point International

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