RPX Lite (RPXL_CW), User Manual
Contents
1. 15 B End User Applications Information 16 Typical Monitor Listing 17 Page 1 of 17 RPXL_UM fm RPX Lite User s Manual List of Tables HW Features seus tit ka See ae he oa Rees eR x Pu E 3 Jumper Settings Pe oe eats 6 Dip Switch Settings ecs e E 6 Board LED definition Oey 7 Board LED definition front view PCMCIA on bottom 7 Board LED definition front view if PCMCIA on 7 DEBUG Port Prnout a m at acu 8 TAP JLAG Port Pino t P7 5 2 i Pe eee da 8 Utility Header Pinout P14 shou Me PER AM EPERSA OE weeds 9 Ethernet RJ45 Port pinout P3 left 10 RS 232 RJ45 Monitor Port pinout 10 USB Type A pinouts PA ed Be Ap REDI 11 USB B pimout P5 aos bone 11 Page 2 of 17 RPXL_UM fm RPX Lite User s Manual I Overview The RPX Lite is a highly integrated SBC based on the Motorola MPC850 and MPC823 The MPC850 versions are targeted for the tel com industries while the MPC823 version is targeted for the industrial controls market Support is available for several commonly used RTOSs The RPX Lite2. 10 Ethernet RJ45 Port pinout P3 left Pin Number 1 2 3 4 5 6 7 8 Function TXD TXD RXD RXD Note Pin numbering 1 through 8 is from left to right when looking into the RJ45 Jack locking tab on bottom E RS 232 Monitor Port a shielded RJ45 Jack The RS 232 Monitor Port is the right port of P3 identified by the letters MON next to the USB connector The RS 232 Monitor Port Pinout assignment is shown in table below The RS 232 Monitor Port connector is shielded and tied to EARTH GROUND The signals listed in the table below are surge protected with the transient voltage suppressors connected to EARTH GROUND The Monitor Port is from SMC1 and as such only supports a three wire interface no handshaking Table 11 RS 232 RJ45 Monitor Port pinout P3 right Pin Number 1 2 3 4 5 6 7 8 Function DTR GND RXD TXD CTS RTS Note Pin numbering through 8 is from left to right when looking into the RJ45 Jack locking tab on bottom RTS not used not driven by SMC1 and is tied true on board driven true all the time on pin 8 CTS not used on board not received by SMCI DTR not used not driven by SMC1 and is tied true on board driven true all the time on pin 3 Page 10 of 17 RPXL_UM fm RPX Lite User s Manual F USB Connector Type A and Type B Only one type connector is installed on the board The Type A and Type connectors
3. 2 RXD DTE Port lt 5 5 DB9 3 TXD DB25 2 TXD DB9 2 RXD DB25 3 RXD DB9 8 CTS DB25 5 CTS DB9 7 RTS DB25 4 RTS DB9 5 GND DB25 7 GND Page 15 of 17 RPXL_UM fm RPX Lite User s Manual B End User Applications Information The Utility code assumes the board is connected to a dumb terminal or a PC based terminal emulator and requires user intervention for the diagnostics Dumb Terminal or PC Serial Port should be set as follows 9600 data stop parity 8 1 none no hardware handshake Proper interfacing to the Monitor Port via the correct RS232 connections must be insured per the previous section The Dumb Terminal or PC Serial Port might require the CTS signal to be true In this case the RTS signal which is driven true from the Monitor Port should also be connected in the cable path to the CTS signal on the Dumb Terminal or PC Serial Port The DRAM test is a destructive test The FLASH and NVRAM tests are non destructive tests Pressing lt enter gt after requested data will retain current value Page 16 of 17 RPXL_UM fm RPX Lite User s Manual C Typical Monitor Listing DRAM1 wwwwwvvvvvCCCCCVVVVV NVRAM VVVVVV RPX utility program Copyright 1998 RPCG LLC All Rights Reserved Reset 0100 ExSoft TESR 0000 BCSR OK battery LOW absent tics sec 1 time 2 sec RC OK STTM OK
4. 23 5c EEcfg OK 128 bytes checksum 18CE OK 00 10 EC 00 00 16 FLASH 4 Mb id 01 49 cs A939 es A939 OK FFF00000 FFF20000 NVRAM OK 32Kb NVR battery GOOD DRAM OK 16Mb 10 columns RPX Lite 823 50Mhz CoreCp 2100 0000 Ic Dc RPXU v1 21 gt RPX Utility Main Menu 1 test BCSR T display Time amp Temperature 2 test dip switches 3 test LEDs C Configure EEPROM 4 test I2C STTM EEPROM CFG L Load RAM 5 test FLASH P Program FLASH 6 test NVRAM SRAM S Scan FLASH for executables 7 test DRAM destructive B rpxBug command line 8 test Ethernet 9 run all tests R hard Reset gt RPX Utility Main Menu Press 123456789 T CLPSB or R key lt gt Page 17 of 17
5. 6 4 2 Note Pin numbering 1 through 10 as shown in table is when looking down onto the header B TAP JTAG Port 2x5 0 1 x 0 1 header for the TAP and JTAG Functions The TAP JTAG Port is identified with the letter on the silkscreen right header P7 When jumper JP4 is set to select this mode the TAP JTAG chain on the board is completed The chain is Processor first then the CPLD device No mating connector should be attached to the DEBUG Port when this mode is active Table 8 TAP JTAG Port Pinout P7 Pin Number 9 7 5 3 1 Function TCK TMS TDO TDI TRST Function GND GND 3 3 GND GND Pin Number 10 8 6 4 2 Note Pin numbering through 10 as shown in table is when looking down onto the header Page 8 of 17 RPXL_UM fm RPX Lite User s Manual C UTILITY Header 2x8 0 1 x 0 1 header for resets power and power fail interrupt The UTILITY HEADER is the left header P14 The Utility Header is used to allow for external connections Three types of reset signals can be connected to the header Hard Reset Soft Reset and or Power On Reset The PFIRQO signal is routed to interrupt level 0 on the processor and could be used as a Power Fail Interrupt signal Three different values of power supply can be connected to the header 12 0V V Plus and or V Minus The voltages could be used for daughter card requirements or in case of the 12 0V certain PCMCIA
6. B VCC rail on the USB connector can not be power with 5V from the RPXL since 5V is not available on the RPXL Another source must be used to power the 5V line on the connector side Aside from the 5V supply issue on the USB connector USB fucntionality is still supported 2 5V PCMCIA cards are not supported since 5V is not available on the RPXL The DC supply must be a regulated plus and minus 5 5 0V supply for Option 1 Option 2 requires a 3 2 to 3 4V supply The RPX Lite itself fully configured but with no expansion cards or PCMCIA cards draws 1 0A maximum VCC 4 75V to 5 25V T 0 C 70 C Page 12 of 17 RPXL_UM fm RPX Lite User s Manual H Processor Bus and I O Interface Expansion Receptacles 2x60 B8 type The Processor Bus Expansion Receptacle is the socket strip on the left side identified by 1 The Processor I O Expansion Receptacle is the socket strip on the right side identified by P2 This interface allows daughters cards to be designed and interfaced to the RPX Lite All required signals are routed to the Receptacle to allow for daughter cards that require the Processor interface Pins A1 on left and B1 on right are identified on the PCB The connector type chosen allows for variable stacking heights and is an 8mm pitch connector This connector is different than those on the Evaluation Units The change was made to allow for all the CPM port signals to be available at the receptacle with additional ground p
7. RPXL_UM fm RPX Lite User s Manual Embedded Planet LLC 16Jun00 RPX Lite User s Manual for Rev CW boards User s Manual for the RPXL WEB site www embeddedplanet com Revision Control 09JUN99 First Release 16JUNOO Minor corrections identified by change bars Table of Contents 1 a c l 3 A View of BOBEP a vus eh ect rtp rires Rache d RP 4 Bottom View of Board idisse soe e E ERRARE ENS 3 II Jumpers Switches and _ 05 6 A Jumpers JP and JP 6 B Dip SW ae 6 I EDR hte SH eee ee 7 HL lt 8 A DEBUG Port 2x5 0 1 x 0 1 header 8 B TAP Port 2 5 0 1 0 1 8 C UTILITY Header 2x8 0 1 0 1 9 D 10Base T Ethernet Port shielded RJ45 10 RS 232 Monitor Port a shielded RJ45 Jack 10 USB Connector and Type B 11 Power Connector Barrel and 12 H Processor Bus and I O Interface Expansion Receptacles 2x60 13 IV RPXL Utility 14 A Required RS232 Cable
8. are dual footprints on the PCB and as such the type connector is a manufacturing option specified at time of order Table 12 USB Type A pinout P4 Pin Number 1 2 3 4 Function 5 0V DATA DATA GND Note Pin numbering 1 through 4 is from left to right when looking into the Connector Table 13 USB Type B pinout P5 Function Pin Number Pin Number Function DATA 5 0V DATA GND Note Pin numbering 1 through 4 as shown in table is when looking into the Connector Page 11 of 17 RPXL_UM fm RPX Lite User s Manual G Power Connector Barrel Type and Specifications The power connector is a barrel type connector The specifications for the mating connector are as follows Inner diameter 2 5mm 100 inches Outer diameter 5 5mm 218 inches Barrel Length gt 9 5mm 0 375 inches Outer shell is GND Inner shell is 5 0V Two options exist for powering the RPXL The first option is that 5 0V can be supplied through either the Barrel Connector or through the Expansion Receptacles via an Expansion Card The second option is that 3 3V can be supplied through either the Barrel Connector or through the Expansion Receptacles via an Expansion Card The option selected must be specified at time of ordering the product because the option selected is assembly dependent If the second option is selected then the following limitations apply 1 The US
9. attery backup of a RTC use the LITE DW Page 3 of 17 RPXL_UM fm RPX Lite User s Manual For Programming Information see the RPX Lite Programmer s Firmware Manual All spacial orientations referenced in this document assume the board is oriented with the RJ45 connector on top with the entry to the RJ45 connector considered the front of the board A Top View of Board P7 OOOOOO0 T OOOOOOO0 v 10 60 e 0 50130 REV CW RPX_LITE LL EL UE LU EL EL C2 Page 4 of 17 RPXL_UM fm RPX Lite User s Manual B Bottom View of Board JOOOOOO0 OOOOOOOCO CR2 Son mee DP pum XN TR HRST BB LED5 LED4 LIG RXD TXD Page 5 of 17 RPXL_UM fm RPX Lite User s Manual II Jumpers Switches and LEDs A Jumpers JP1 and JP4 Table 2 Jumper Settings Function of JP1 Function of JP4 External 3 0V Battery Connected Processor pins have DEBUG signals selected No External Battery Connected Processor pins have IEEE1149 signals selected Note Jumper
10. cards The 12 0V must be 12 0V but the V PLUS and V MINUS could be any DC voltage up to 24V dc as required by daughter cards Optionally a separate header could be provide by the daughter card for its required power supply The EXT BATTERY signal is for connecting an external battery to back up the real time clock and keep alive power circuits inside the Processor The on board NVRAM has its own battery and is not associated with the EXT BATTERY signal The EXT BATTERY signal does NOT have any connection to the supplies powering and operating the board Table 9 Utility Header Pinout P14 Pin Number 15 13 11 9 7 5 3 1 Function V_MINUS PFIRQO Function GND Pin Number 16 14 12 10 8 6 4 2 Notes 1 Pin numbering 1 through 16 as shown in table is when looking down onto the header 2 Signals HRST POR and SRST must be open drain or open collector type signals 3 Pins 1 3 5 and 7 are input signals digital 3 3V signals 4 Pins 9 11 13 and 15 are input voltage signals voltages that can be supplied to these pins 5 EBAT not supported Pins reserved for future use Page 9 of 17 RPXL_UM fm RPX Lite User s Manual D 10Base T Ethernet Port shielded RJ45 Jack The Ethernet Port is the left port of P3 identified by the letters ETH next to the jumpers The 10Base T RJ45 Pinout assignment is as shown in the table below The RJ45 connector is shielded and tied to EARTH GROUND Table
11. hardware allows configuration changes and allows downloading of user code Additional functionality will be added to this code and as the additional functionality becomes available the program will be updated and made available Upgrades are provided as files containing Motorola S records The S record data is a program which is downloaded to DRAM either using the monitor serial port and a terminal emulation program or using the ethernet port and a tftp server Once downloaded one runs the program which then replaces the regions of FLASH containing the RPX Utility Software Page 14 of 17 RPXL_UM fm RPX Lite User s Manual A Required RS232 Cable Connections An RJ45 to DB9 or DB25 cable is most likely required The pinout of the RJ45 connector is shown in Section above A null modem type of connection will be required when interfacing to a DTE port The RPX Lite has its serial port wired as DTE Example showing two DB9 DTE ports connected null modem used m m 12345678 DB9 A Null A a Modem a ED o 3 3 3 3 TXD qe e 15 2 RXD DTE Port lt SD gt 5 54 5 5 GND Example showing two DB9 DTE ports connected RJ45 to DB9 cable integrates null modem connection 12345678 Bs a m eee 3 Txp lt lt p 2
12. ins added to aid in signal integrity The standard RPXL product board to board mating distance is 16mm Available stacking heights range from 4 5mm to 20mm The receptacle part number used on the standard product is AMP 5 179010 5 The mating connector Plug is AMP 179031 5 which would be used on Expansion Card designs As an alternative Yamaichi Electronics also makes the same type of connector that fits in the same PCB footprint but the connector is sold in sets receptacle and plug sold together The Yamaichi part number 15 8 120 665 1 1 For signal loading considerations refer to the Expansion Card Design Guidelines document The Processor Bus Expansion Receptacle P1 or interface must be a 3 3V only type of interface the I O is not 5 0V I O tolerant The Processor Expansion Receptacle part of P2 or interface is currently 5 0V tolerant but indications from the Motorola Semiconductor Sector claim that future processors will NOT be 5 0V tolerant on I O pins Therefore it is highly recommended that I O interfaces on daughter cards be designed for true 3 3V operation For the pinout of the 1 and P2 receptacles see the pinouts document Page 13 of 17 RPXL_UM fm RPX Lite User s Manual IV RPXL Utility Software The RPXL in its simplest form is shipped with Embedded Planet boot up and diagnostic software here in called Start Up code This Start Up code verifies the integrity of the
13. is in a PC104 board form factor It does not contain PC104 ISA or PC104 PCI functionality but rather adheres to the mechanical specifications of the PC104 standard For PC104 ISA and or PC104 PCI requirements see the RPX Classic User s Manual The functions included on the RPX Lite are listed as follows Table 1 HW Features Entity Function Processor MPC850 SR DC DH etc or MPC823 DRAM 4MB or 16MB FLASH 2MB 4MB 8MB or 16MB NVRAM OKB 32KB 128KB 512KB 10Base T Ethernet SCC2 10Base T RJ45 Monitor Port 3 wire RS232 RJA5 Serial EEPROM Serial Temp amp Thermal Monitor Dc Debug Development Port header for BMD TAP TAP header for Test and JTAG PCMCIA Single Slot Type I or III USB Type A or Type B Connector Dip Switch 4 position slide switch read via status register LEDs Two user programmable via control register Bus Expansion Receptacle Processor Bus Interface Expansion Receptacle Expansion Receptacle Processor I O Interface Expansion Receptacle Wall Cube Power Supply Single Power Supply Source for Board Board draws 1A max BCSR s BCSRO 1 2 and 3 The Expansion Receptacles allow for daughter cards supporting such functions as CAN ARCNET TI E1 xDSL PCI 104 etc Note External KAPWR via battery on P14 15 16 not supported on the RPXL or LITE series of CPU cards For b
14. ront view PCMCIA on bottom Function 5 0V LED CR14 LED CR9 CRIO CR12 CR2 CR3 CR6 CR8 CRI Function ETXD ERXD ELIG LED4 LED5 BB HRST 3 3V Note LED ordering is from left to right when viewed from front of board with PCMCIA connector on bottom Table 6 Board LED definition front view if PCMCIA on top Function HRST LEDS LED4 ELIG ERXD ETXD LED CRI CR8 CR6 CR3 CR2 CRI2 CRIO CR9 LED 14 Function Note LED ordering is from left to right when viewed from front of board with PCMCIA connector on top Page 7 of 17 RPXL_UM fm RPX Lite User s Manual III Connectors Headers The RPX Lite contains 3 headers for auxiliary functions 2 RJ45 connectors for Ethernet Port and the RS232 Monitor Port 1 USB connector 1 barrel connector for power and 2 daughter card interface expansion Receptacles all of which are described below A DEBUG Port 2x5 0 1 x 0 1 header for a Backround Mode Debugger BMD The DEBUG Port is identified with the letter D on the silkscreen middle header P6 When jumper JP4 is set to select this mode the TAP JTAG chain on the board is disconnected and the DEBUG port is dedicated to the Processor No mating connector should be attached to the TAP JTAG Port when this mode is active Table 7 DEBUG Port Pinout P6 Pin Number 9 7 5 3 1 Function Function Pin Number 10 8
15. s as shown in table when looking down on the Jumpers JP4 must have a jumper inserted JP1 does not require jumper No jumper is the same as setting no external battery connected B Dip Switch There is a 4 pole dip switch located on the board These switches are readable via the on board status register The switch is intended for use by specific customer applications The switch in the down on closed position will read back a logic 0 in the status register The switch in the up off open position will read back a logic 1 in the status register Table 3 Dip Switch Settings Encoded Pole Positions ERU 4321 D 27 24 0000 or 1111 Normal operating mode 0001 Reserved for manufacture test 0010 Reserved for fall back mode 0011 through 1110 User specified Page 6 of 17 RPXL_UM fm RPX Lite User s Manual C LEDs Table 4 Board LED definition LED Led Definition when on Color of LED CR9 Ethernet TXD activity Green CR10 Ethernet RXD activity Green CR12 Ethernet Link Integrity Good Green CR2 Status LED4 Red CR3 Status LEDS Red CR6 Processor Activity BB signal Green CR8 Processor Hard Reset Active Red 1 3 3V Power Applied Green CR14 5 0V Power Applied Green Note Color of shading in Table indicates color of LED CR14 on top side all others on bottom side Table 5 Board LED definition f
Download Pdf Manuals
Related Search