LPC315x Data Logger/Remote Data Acquisition
Contents
1. P9 OC 3 3v SD MMC WP I2SRX_ BCKO In VDD I In high T9 OC 3 3v nUSB_ Host Pwr Fa NAND NCS 2 Out high Vdd_IO In Low ult L4 A OD 1 8V LPC315x NAND NCS 3 Out high Vdd IO Out OD Low nChrg 250mA M2 A OD 1 8V Stereo Audio Line mI2STX_CLKO Out clock VDD_I In high In2 detect from PCM DB TI1 OC Function LPC315x or Default GPIO Function Active External GPO rO Vdd_IO In Out level Expansion pin PU PD LPC31xx Audio 3 3v board at P8 Stereo Audio Line mI2STX_WS0 P Out clock VDD_I In high In1 detect from CM _ DCK R12 OC LPC31xx Audio 3 3v board at P8 USB _ Host Power GPO EXP Q0 Out low 3 3v Out high ena SD MMC PWR EN GPO EXP Q1 Out low 3 3v Out high Analog Mux sel GPO EXP Q2 Out low 3 3v Out EXT PWR_ CHK nPSU_VBUS monitor Analog port mux GPO Exp Q3 Out low 3 3v Out select SO Analog port mux GPO Exp Q4 Out low 3 3v Out select S1 GSM_RESET GPO Exp Q5 Out low 3 3v Out high USB Mux SEL GPO Exp Q6 Out low 3 3v Out nDEVICE HOST Jennic 802 15 4 GPO Exp Q7 Out low 3 3v Out low wireless module reset Key components on main board IC s modules Reference Description Designator U2 Ethernet MAC PHY Micrel KSZ8851 16MLL U1 NXP Jennic JN5148 001 M 00T 534 802 15 4 wireless module wi2. U23 Optional 1 8V power regulator for devices on external memory bus National Semi LM3670MF 1 8 This regulator is not used as a default The LPC315x VSUP2 supplies 1 8V to external memory bus devices U24 USB Host port VBUS power switch Micrel MIC2005A 1YMS U26 Board reset supervisor 2 63 V threshold Diodes Inc APX809 26SA Y1 25Mhz crystal used for Ethernet MAC Phy chip X2 12Mhz crystal used for LPC315x main oscillator Y3 32 768Khz crystal used for LPC3156 RTC Switches Reference Description Designator SW1 Jennic 802 15 4 wireless module manual reset can be used along with SW2 to place the module in flash programming mode Note expansion GPO GPO_nRES_ ZIG GPO Exp Q7 must be driven high before the Jennic module can be programmed or will respond to any serial communication SW2 Jennic 802 15 4 wireless module SPIMISO_Z when pressed while SW1 is pressed then released will place the module in programming mode through the serial interface SW3 When pressed supplies high level to LPC315x PSU_ON Used to manually turn on LPC315x power supplies when LPC315x is in STOP mode SW4 Manual Data Logger board system reset LED s Reference Description Designator D17 MD2 silkscreen Reflects the state of LPC315x GPIO2 at power on or reset will reflect boot mode bit 2 LED is on when GPIO2 is high LED is off when GPIO2 is low D18 MD1 silkscreen Reflects the state
3. 3 3v LCD TS SPI CS SPI CS_OUTO0 Out high VDD_I Out low D8 OC 3 3v Jennic chip SPICS mUART_CTS_N In VDD_I Out low SPL CS_OUT1 OC P11 shared with 3 3v VCom Sensor SPI CS mUART RTS N Out high VDD I Out low SPI CS_OUT 2 OC R11 3 3v LCD BL INTENS PWM_DATA In VDD I Out Pwm h SHDN D10 OC igh 3 3v ENET_IRQ mI2STX_BCKO Out clock VDD_I In low PCM _FSC T12 OC 3 3v DevVBUS 2 mNAND RYBN In Vdd_IO Out low PSU_EN 1 MCI_DATS5 A C5 1 8V EXT_PWR 2 PSU NAND NCS 1 Out high Vdd_IO Out low Ena L3 A Function LPC315x or Default GPIO Function Active External GPO I O Vdd_IO In Out level Expansion pin PU PD 1 8V GSM_ON OFF PU mI2STX DATA Out low VDD I Out high LSE 0 PCM_DA OC 3 3v T13 3 3v EXTPWR 400ma L mNAND RYBN In Vdd_IO Out high oad EN 3 MCI DAT7 A D4 1 8V GSM _PWRMON mNAND RYBN In Vdd IO In high 2 MCI DAT6 A D5 1 8V LPC315x GPIOO R13 In PD VDD I In Boot Modo OC Jennic 802 15 4 3 3v wireless module interrupt LPC315x GPIO1 T14 In PD VDD I In Boot _Mod OC GSM module RING 3 3v indicator LPC315x GPIO2 P12 In VDD I In Boot_Mod2 OC GSM module DTR 3 3v handshake PSU_STOP GPIO3 D12 In VDD I In high OC 3 3v LCD Touch sceen GPIO4 D11 In VDD I In low Pen _ IRQ OC 3 3v SD MMC nCD I2SRX DATAO In VDD I In low
4. common tied Short RS485 is generally tied to gnd at one to GND place on the RS485 bus This is generally done at the master controller Multiple connections to gnd are usually ok but could also create gnd loops causing problems On board connectors amp headers Reference Description Notes Designator P301 LPC1102 serial wire debug P302 LPC1102 UART Used for LPC1102 ISP to program internal flash port connector P303 DMXS512 In 5 pin male XLR connector DMX512 input to the LPC1102 DMX512 board J300 RS485 3 This connector can be used to connect a small RS485 position terminal network between a main DL board DMX512 master block controller and a LPC1102 DMX512 board DMX512 slave J301 DMX512 Out 5 pin female XLR 5F connector used as the output connector when daisy chain to another DMX512 client slave board When this connector is used the termination should be disabled by leaving JP300 open J306 5V dc power input TP2 5V test point Use to connect 5V bench top power supply to the LPC1102 Lighting board TP3 GND test point Use to connect bench top power supply to the LPC1102 Lighting board Key components on main board Reference Description Designator U300 MAX13432EETD Maxim RS485 transceiver U302 SA57000 33D NXP 3 3v voltage regulator U303 LPC1102 MCU NXP U304 LM335M NOPB National Semi Two terminal zener Precision Temperature Sensor The LM135 has a break
5. of LPC315x GPIO1 at power on or reset will reflect boot mode bit 1 LED is on when GPIO1 is high LED is off when GPIO1 is low D1 SD MMC power indicator D2 GSM Cellular module status LED See Telit documentation 1 Telit GC864 QUAD_V2_ Hardware User Guide _r3 pdf 2 Telit AT Commands Reference Guide r9 pdf LCD The Data Logger supports the Embedded Artists 3 2 inch QVGA color LCD display EA LCD 002 at P5 and J5 LPC1343 VCOM board Board Power The LPC1343 VCOM board is typically powered from the USB Device VBUS connector J202 It is also possible to power the board from the LPC1343 UART connector P201 When the board is powered by P201 the USB Device connector J202 must be disconnected P7 1 to P7A 1 must be open in both power configurations See Table for LPC1343 VCOM board operation mode for how power jumpers are configured in each mode Board LPC1343 boot To boot the LPC1343 in ISP mode for programming the internal flash add a jumper shunt at JP202 The LPC1343 UART is brought out to P201 The LPC1343 UART port can be connected to a PC through either the RS232 XCVR baby board to PC serial port or with an FTDI cable to PC USB port See LPC1343 Operation mode table for jumper connections for each mode and power source LPC1343 VCOM board operation mode table Operational Power JP201 JP202 Notes Mode Source LPC1343 ISP J202 2 3 closed RS232 XCVR board installed at P201 mode VBUS 3 3V
6. style or solder style jumpers on the RS232 XCVR board On board connectors amp headers Reference Description Notes Designator PI5A LPC315x UART interface P304 DB9 male connector wired as DTE requires null modem cable when connecting to a PC serial port LPC1102 DMX9512 lighting board The LPC1102 DMXS512 lighting board makes use of three PWM outputs of the LPC1102 to drive the intensity of each color input of the tri color LED at D300 The LPC1102 analog ADC inputs are connected to a light sensor Q303 and a temperature sensor U304 The concept is the LPC1102 receives DMX512 lighting commands from the main DL board over RS485 The LPC1102 then programs the PWM according to the DMX512 commands and or the light and temperature sensors Board Power The LPC1102 DMXS512 board is powered from a 5V power brick attached to connector J306 Power may also be supplied by a 5V bench supply connected using TP2 5V power and TP3 GND When power is applied to an unprogrammed LPC1102 the PWM outputs come up as inputs with pull up causing each LED to be lit with maximum intensity The LED at maximum intensity is quite bright you may want to cover the LED while working with an unprogrammed LPC1102 DMX512 board External power supply Jumper settings There are no power supply jumpers on the LPC1102 DMX512 board Board LPC1102 boot The LPC1102 has no dedicated ISP entry pin Therefore user code is required to in
7. supply at TP1 and add off board gnd to P200 pin 1 List of on board solder jumpers Jumper Description Default Notes Designator JS200 Pull apart short DMXS512 defines a simple resistor divider to bias JS201 bias enable the RS458 differential pair to ensure a known logic level is received at the master receiver when no clients are on the RS485 bus JS202 120 ohm Short 120 ohm termination across the RS485 termination differential pair when jumper is shorted The master controller should be located at one far end to the RS485 bus and should have termination on JS203 RS485 Short RS485 is generally tied to gnd at one place on common the RS485 bus This is generally done at the tied to GND master controller Multiple connections to gnd are usually ok but could also create gnd loops causing problems On board connectors amp headers Reference Description Notes Designator P200 LPC315x P200 is connected to the LPC315x UART interface on the UART DL main board P15 The transceiver UART interface is interface powered from P200 pin 2 Ensure the Data logger main Reference Designator Description Notes board has JS17 shorted to get 3 3V to P15 The GSM module on the DL main board must not be powered on to use the LPC315x UART port with the RS485 XCVR board J200 DMX512 Out XLR 5F connector used to connect standard DMX512 clients to the DL runnin
8. 1343 ISP open Short before power on or reset to bring up mode LPC1343 in ISP mode to program internal Flash On board connectors amp headers Reference Description Notes Designator P201 LPC1343 UART Connect either RS232 XCVR baby brd or FTDI interface cable to program LPC1343 Flash in ISP mode See LPC1343 VCOM board operation mode table for VCOM board jumper settings J202 USB Device conn Board typically powered by this connector USB device must be disconnected when the board is powered by the FTDI cable at P201 P202 LPC1343 SWD debug connector RS485 XCVR board Board Power The RS485 XCVR board is powered from the P200 pin 3 the LPC315x UART interface connector The RS485 XCVR board is connected to the main DL board at P15 SJ17 must be shorted to get 3 3V power to P15 The RS485 transceiver has a separate power pin VCC pin 14 for the RS485 differential pair signals which can be powered at 5V or 3 3V To power the transceiver VCC from 3 3V install a shunt at JP200_1 2 To power VCC from 5V install a shunt at JP200_2 3 and attach the off board 5V to TP1 The off board 5V power supply also needs to be grounded to the RS485 brd at P200 pin 1 or other convenient location List of on board header style jumpers Header Description Default Notes Designator JP200 RS485 transceiver Open 3 3V shunt 1 2 VCC voltage 5V shunt 2 3 add off board 5V
9. 3V power is generated by the LPC315x Data Logger boot The Data Logger boot mode is controlled by the logic level latched at the LPC315x GPIOO GPIO1 and GPIO2 pins on the rising edge of RSTIN_N pin The level of GPIOO is always low by pull down R93 The level on GPIO1 is determined by R89 and R92 GPIO2 is determined by R83 and R92 The level of GPIO1 is indicated by LED D17 silkscreen MD1 The level of GPIO2 will be indicated by LED D18 silkscreen MD2 The LED will be on when GPIOx is high and off when the corresponding GPIOx is low Boot Mode Table Boot Mode R83 R92 R89 R94 NAND flash Not installed installed Not installed installed SPI Not installed installed installed Not installed DFU installed Not installed Not installed installed SD MMC installed Not installed installed Not installed SD MMC Boot The SD MMC power regulator U4 pin 1 must be high to enable the regulator By default U4 pin 1 comes up low as it is driven by an external 8 bit register used to provide GPO s Board rework required to boot from SD MMC SD MMC regulator rework for booting from SD MMC Lift U4 pin 1 from the pcb to disconnect from US pin 5 Short U4 pin 1 to U4 pin 2 cams ol List of on board header style jumpers Header Description Default Designator JP1 Jennic 802 15 4 wireless module U1 nSPI MEM WP open Open program flash Closed SPI Flash write protected JP2 G
10. A 3 6V 3 7V nominal Li Ion battery can be used with either the 5V or 6 15V external power source External power supply Jumper settings 5V external power supply JP3 pin 2 jumper to JP4 pin 2 caution do not connect to power supply greater 5 5V in this configuration otherwise there could be damage to components on the board including the LPC315x In this configuration the external 5V is s api directly 1 to the board 5V which supplies the LPC315x PSU_ VBUS ied oe my een g 6V 15V external power supply JP3 pin 1 to pin 2 jumper JP4 pin 1 to pin 2 jumper In this configuration the external 6 15V is supplied to a step down power converter v Dupuis to the board 5V net a E mi T g Using external power only no Li lon battery When the Data Logger is powered strictly from power mains through the external dc power jack J4 and no Li Ion battery will be connected to the board diode D6 must be installed to get power to the GSM cellular module Using Li lon Battery power When a Li Ion battery will be used with the Data Logger board P2 or P2A ensure that D6 is either not installed or lift ue pin 1 off the pcb g EE ms El es o a Y ret E ag w dri F Pees os J3 or 74 m amp am eit em al Battery charger software The LPC315x battery charger software needs to be developed India team Power Indicator There is no dedicated power LED indicator on the Data Logger main board Check 3 3V at P6 pin 2 The 3
11. LPC315x use for tethered applications with external power only no battery closed JS9 3 3V power to P7 SPI I2C header for LPC1343 VCOM board Open no 3 3V supplied to P7 header LPC 1343 VCOM board is powered by the USB Device connector Closed 3 3V supplied to P7 open JS10 JS12 JS13 SPI chip select for LPC1343 VCOM at P7 header close only one of these solder jumpers Open SPI chip select is not connected to P7 Closed SPI chip select is connected to P7 close only one switch and be sure the selected SPI chip select is not being used for another device on the SPI bus All open JS11 LPC315x 1 8V VSUP2 power supplies VSUP4 8 external memory bus power rail Open LPC315x 1 8V not used to power VSUP4 8 optional 1 8V power supply U23 used to power VSUP4 8 JS15 must be closed when JS11 is open Closed LPC315x 1 8V VSUP2 supplies VSUP4 8 JS15 must be open when JS11 is closed closed JS14 GSM module RING signal connection to LPC315x GPIO1 Open GSM_RING signal is disconnected from GPIO1 Closed GSM_ RING signal is connected to GPIO1 this does not affect GPIO1 being used for LPC315x boot mode closed Jumper Designator Description Default select JS15 On board 1 8V supply to VSUP4 8 external memory bus Open on board 1 8V not used to power VSUP4 8 LPC315x 1 8V VSUP2 used to power VSUP4 8 JS11 must be closed w
12. LPC315x Data Logger Remote Data Acquisition Board Documentation Circuit board assembly description 1 2 3 4 5 6 7 Main LPC315x Data Logger board This is the main Data Logger board RS232 transceiver board is used for early s w development before Linux is running on the platform or before the GSM cellular module begins to use the only UART port on the LPC315x This board is connected to P15 on the main board to connect the LPC315x UART to a PC serial port over RS 232 uFL to SMA boards is used to connect antenna SMA to the GSM cellular module uFL plugged in to the main board at J3 LPC1343 VCOM board is used to provide a SPI to USB virtual comm Port for Linux debug This is needed because there is only one UART port on the LPC315x chip and it is used for interfacing to the GSM module The India team will need to develop the s w for LPC1343 SPI to USB Vcomm This board connects to the main board at P7 RS485 XCVR board This board contains the RS485 transceiver so the LPC315x UART port can be used to drive the LPC1102 DMX512 Lighting board using standard DMX512 cables The RS485 XCVR board connects to the main DL board at P15 The GSM cellular module is not useable when the RS485 XCVR board is attached to main board LPC31xx Audio board this board is used with LPC315x internal I2S audio codec to support stereo headphone out stereo line level out stereo line level in and Microphone input Th
13. SM cellular module SERVICE mode select open Open non service mode normal operation Closed service mode JP3 Route external power at J4 through on board 5V regulator 5V Ext JP4 or bypass regulator Power JP3 2 shunted to JP4 2 5V external power bypass JP3 2 regulator shunted to JP3 1 shunted to JP3 2 JP4 1 shunted to JP4 2 6V 15V JP4 2 external power goes to on board 5v regulator JP5 Nand flash Lock select closed Open Nand block lock command enabled all blocks are protected or locked from program or erase Closed Nand block lock disabled program erase enabled List of on board solder jumpers Jumper Description Default Designator JS1 Jennic 802 15 4 wireless module U1 interrupt to LPC315x closed GPIO2 Open disconnect Jennic 802 15 4 wireless interrupt from GPIO2 Closed connect Jennic 802 15 4 wireless interrupt to GPIO2 JS2 Jennic 802 15 4 wireless module enable flash programming open from LPC315x SPI Open disable Jennic 802 15 4 wireless flash programming from LPC315x SPI Closed enable Jennic flash programming from LPC315x SPI Jennic 802 15 4 wireless module must be held in reset while LPC315x programs flash over SPI JS3 3 3V connection at GSM Cellular UART trace port P4 open Open 3 3V is disconnected from P4 pin 2 used when FTDI cable is used to connect GSM UART trace to PC USB Closed 3 3V is connected to P4 pin 2 use w
14. d to connect RS232 XCVR board for early development debug Can not be used when GSM module will be used Board GPIO function The GPIO used on the Data logger board are described in the following table More GPIO was required than available from the LPC315x alone so an external 8 bit D type flip flop U5 is used for additional GPO s GPIO table column descriptions Column 1 Function brief name describing what the GPIO is used for Column 2 defines which LPC315x pin name and pin number or expansion GPO used Column 3 defines how the LPC315x GPIO or expansion GPO comes up after power on reset Column 4 voltage rail the GPIO is powered by The LPC315x GPIO s powered by VDD_IOA 1 8V use an external buffer U8 to translate to 3 3V Column 5 GPIO function relative to the LPC315x or expansion GPO The Data logger start up software must program the LPC315x GPIO according to this column To implement an open drain output OUT OD s w must program GPIO as output to drive low but program the same GPIO as input for open drain state Column 6 active level for GPIO GPIO function table Function LPC315x or Default GPIO Function Active External GPO rO Vdd_IO In Out level Expansion pin PU PD SPI to USB virtual mUART_CTS_N In VDD I Out low comm chip select SPL CS OUTI OC P11 3 3v SPI to USB Vcom ISRX WS0 During VDD I In low IRQ R9 RST high OC then In
15. down voltage directly proportional to absolute temperature at 10 mV K D300 CLV6A FKB CK1P1G1BB7R3R3 Cree high performance tricolor red green blue SMT LED SW300 LPC1102 MCU reset
16. g a DMX512 lighting master controller application J201 RS 485 bus 3 position screw terminal may also be used to wire up the RS485 bus to client lighting boards for simple wire demonstration LPC31xx Audio board Board Power The LPC31xx Audio board is powered from the P300 pin 9 the LPC315x audio interface connector The LPC31xx Audio board is connected to the main DL board at P8 External power supply Jumper settings There are no power supply jumpers for the LPC31xx audio board List of on board header style jumpers There are no header style or solder style jumpers on the LPC31xx audio board On board connectors amp headers Reference Description Notes Designator P300 LPC315x analog audio signals 3 3V power gnd J302 Microphone mono input J303 Stereo audio line level input1l signal VIN_ DETECT high indicates a cable has been plugged in to J303 J304 Stereo audio line level input2 signal TIN DETECT high indicates a cable has been plugged in to J304 J305 Stereo headphone output supports 16 32 ohm load S232 XCVR board Board power The RS232 XCVR board is powered from the P15A pin 3 the uart interface connector The RS232 XCVR board is connected to the main DL board at P15 External power supply Jumper settings Solder jumper JS17 must be shorted on the main DL board to supply 3 3v power to P15 pin 3 List of on board header style jumpers There are no header
17. hen JS15 is open Closed optional on board 1 8V U23 supplies VSUP4 8 JS11 must be open when JS15 is closed open JS16 On board optional 1 8V power supply input voltage Open no voltage supplied to U23 input 1 8V supplied by LPC315x VSUP2 Closed voltage supplied to U23 U23 may be used to supply 1 8V open JS17 3 3V power to P15 LPC315x UART header Open no 3 3V supplied to P15 header pin 2 setting when using FTDI cable to interface LPC315x UART to PC USB Closed 3 3v supplied to P15 header pin 2 setting when using RS232 XCVR baby board to interface LPC315x UART to PC serial port closed JS18 GSM module C104 RXD signal connection to LPC315x UART RXD Open GSM RXD signal is disconnected from LPC315x RXD Use this setting anytime the LPC315x UART is being connected to the RS232 XCVR board or any other cable device other than the GSM module Closed GSM RXD signal is connected to LPC315x RXD when GSM module is used this must be closed closed JS19 Board system reset source select Open System reset driven by simple RC C122 must be installed for this mode Closed System reset driven by reset supervisor closed JS20 3 3V to JTAG connector P14 pin 2 bottom side jumper on PCB Open 3 3V disconnected from JTAG connector P14 2 Leave open when the JTAG dongle is self powered Closed 3 3V is connected to JTAG connector P14 2 Close th
18. hen RS232 XCVR board is used to connect trace port P4 to PC serial port JS4 Jennic 802 15 4 wireless module U1 Intelligent Peripheral closed interface select Open disable LPC315x SPI nCS1 from Jennic 802 15 4 wireless module Closed enable LPC315x SPI nCS1 to Jennic 802 15 4 wireless IP select input JSS D6 installed PSU_VBUS to VBAT voltage for GSM open module Open PSU_VBUS to VBAT is 3 8V Jumper Designator Description Default Closed PSU_VBUS to VBAT is 4 2V JS6 Hardware enable of USB _VBUS _B to PSU_VBUS Open s w must enable USB_VBUS _B to PSU_VBUS Closed always enable USB_VBUS B to power PSU_VBUS open JS7 Disable 300mA load on external power Open 300mA load applied to external power use only when board is powered from Li Ion battery The 300mA load is used to ensure external voltage source is capable of supplying 300mA of current before s w switches from battery power to external dc power i e solar panel Closed hardware disable of 300mA load use for tethered external power only no battery application closed JS8 External power J4 enabled to power LPC315x PSU_VBUS Open External power is s w controlled to supply power to LPC315x Used in battery powered application S W will check external power under 300mA load prior to switching external power on to PSU_VBUS Closed hardware always enable of external de power to
19. is board connects to main board at P8 LPC1102 DMX512 Lighting board This board is used to demonstrate using the LPC315x as a DMXS512 master lighting controller while the LPC1102 DMX512 Lighting board is the DMX512 client The LPC1102 DMX512 board has a 3 color LED at D300 This board requires a separate power supply is not powered by main DL board When power is applied to this board all 3 LEDs are on full brightness Software to control LPC1102 PWM s is needed to dim LEDs Associated Modules which can be used with the LPC315x Data Logger Data Acquisition Board 1 2 3 900 1800 Mhz 1 4 wave antenna used for GSM cellular module Also requires uFL to SMA board and uFL to uFL RF cable to connect antenna to GSM module WUBR 170GN USB dongle can add WiFi 802 11 BGN to the Data Logger when installed at J7 and the appropriate drivers have been installed JN5148 EK010 Evaluation Kit contains the Jennic 2 4GHz IEEE802 15 4 amp JenNet development kit Main DL board has Jennic JN5148 module with on board antenna for communication with other Jennic JN5148 modules The intent is for the Main DL board to be the main controller LPC315x Data Logger main board Board Power The boards have been shipped to India with jumpers configured for 5V external power 5V power brick supplied The DL board is also capable of being powered from an external dc power source of 6V 15V requires different jumper setting at JP3 and JP4
20. is jumper when the JTAG dongle must be powered from the target open On board connectors amp headers Reference Function Designator Jl Ethernet interface J2 SD MMC slot J3 GSM Cellular module connector Telit GC864 QUAD V2 Reference Function Designator J4 External DC power 5V power brick 6V 15Vdc Caution ensure JP3 and JP4 are set correctly for external voltage used otherwise damage could result to the board or LPC315x J5 Embedded Artists QVGA LCD panel SPI interface for touch screen J6 USB Device interface connector The LPC315x can only support one USB Device or one USB Host but not both at the same time The USB Device and Host connectors are multiplexed to the LPC315x The mux is controlled by s w The default after power on is the Device connected to the LPC315x J7 USB Host interface connector This connector is multiplexed with J6 for connection to the LPC315x See J6 function for additional details J8 ANA2_1 analog sensor input 3 position screw terminal block The LPC315x has 3 ADC channels ADC10B_GPAI and ADC10B_GPA2 are both connected to an external 4 1 multiplexer chip U15 Which channel of the multiplexer is connected to the LPC315x ADC is set by GPO at U5 Analog inputs must be between 0V 3 3 Vdc J9 ANA2 0 analog sensor input 3 position screw terminal block J10 ANAL 1 analog sensor in
21. put 3 position screw terminal block J11 ANAL 0 analog sensor input 3 position screw terminal block Pl Jennic 802 15 4 wireless module U1 JTAG connector P2 Li Ion battery JST 3 pin connector this is optional connector for battery P2A Li Ion battery JST 2 pin connector P3 Jennic 802 15 4 wireless module serial interface connector Used for programming the flash on the module May be connected to either the RS232 XCVR board or FTDI cable to interface to a PC Programming the module is required to use the Intelligent Peripheral interface for interfacing to LPC315x SPI P4 GSM cellular module monitor serial interface connector Used for reprogramming the module May be connected to either the RS232 XCVR board or FTDI cable to interface to a PC The GSM module responds to AT commands on serial interface to LPC315x UART No reprogramming of the GSM module should be needed P5 Embedded Artists QVGA LCD panel LCD data interface P6 LPC315x I2C expansion interface may be used for sensors with I2C P7 LPC1343 VCOM interface SPI P8 LPC315x Audio Codec analog interface to LPC31xx Audio board P9 LPC315x SPI expansion interface may be used for sensors with SPI P10 ANA2 3 analog sensor input 3 position header P11 ANA2 2 analog sensor input 3 position header P12 ANAL 3 analog sensor input 3 position header P13 ANAL 2 analog sensor input 3 position header P14 LPC315x JTAG interface 20 pin connector P15 LPC315x UART interface use
22. th on module antenna U4 SD MMC 3 3V power regulator Rohm BD33KA5WEFP E2 U5 Expansion GPO NXP 74LVC273PW U6 External memory bus 16 bit dual supply transceiver TI 74AVCA164245GR U7 External dc power step down 1 2A voltage regulator used only when JP3 JP4 are strapped for 6v 15v external power voltage range Diodes Inc AP5100WG 7 U10 Optional EEPROM for storage of Ethernet MAC address not installed as default U11 SDRAM 32M x 16 1 8V Micron MT48H32M16LFBF 75 B Reference Description Designator U12 Nand Flash 4Gbit 2k page configured 256M x 16 1 8V Micron MT29F4G16ABCHC C U13 LPC3152 MCU NXP U15 Dual 4 chan analog mux demux used to multiplex two of the LPC315x ADC channels to analog sensors Sensor voltage range must be between Ov 3 3Vdce NXP 74LV4052DB U16 USB high speed multiplexer chip NXP NX3DV221GM Allows single LPC315x USB controller to be used either as Device only or Host only Default is for USB Device S W must write to USB Mux SEL nDEVICE HOST GPO Exp Q7 U18 External memory bus 8 bit dual supply transceiver NXP 74AVC8T245PW U20 1 of 2 decoder demultiplexer NXP 74LVC1G19GW used to decode the LPC315x static memory chip select 1 EBI nSTCS1 in to two separate address spaces 1 Ethernet MAC Phy 0x20020000 0x20027FFF data or 0x20030xxx command 2 Expansion GPO at 0x20028xxx or 0x30038xxx
23. to program LPC1343 Flash from PC Use RS232 serial port The RS232 XCVR board XCVR brd is powered from JP201 LPC1343 ISP P201 1 2 closed FTDI cable installed at P201 to mode FTDI 5V program LPC1343 Flash from PC Use FTDI cable cable virtual comm port No USB Device installed at J202 LPCxxxx UART J202 2 3 open RS232 XCVR board installed at P201 to USB VCP VBUS 3 3 V to interface with any LPCxxxx MCU UART port RS232 XCVR board is powered from JP201 LPCxxxx SPI J202 open open P7A used to interface to SPI or I2C I2C to USB VCP VBUS interface of any LPCxxxx MCU For Data logger SPI to VCP debug port jumper P7A pins 2 3 4 5 6 9 and 10 to the same pins on main board P7 List of on board header style jumpers Header Description Default Notes Designator P7A SPI 12C interface open For SPI to USB VCOM connect to LPC315x on 2 3 4 5 6 9 and 10 to P7 on main brd main Data logger Also select one of three possible SPI chip brd selects on the DL main board by adding Header Description Default Notes Designator solder to JS10 JS12 or JS13 When no LCD is used on Data Logger solder JS10 JP201 Power select for open When RS232 XCVR board is installed at P201 P201 jumper JP201 2 3 for 3 3V to XCVR board When FTDI cable is installed a P201 jumper JP201_ 1 2 for 5V to power LPC1343 VCOM board from FTDI cable USB Device must not be installed at J202 JP202 LPC
24. voke ISP functionality Unprogrammed parts automatically boot into ISP mode The LPC1102 UART is brought out to P302 The LPC1102 UART port can be connected to a PC through either the RS232 XCVR baby board to PC serial port or with an FTDI cable to PC USB port Caution when using an FTDI cable to program the LPC1102 it is necessary to disconnect the FTDI cable pin 3 from P302 This is because the FTDI cable will output 5V on pin 3 See the LPC1102 User manual for details of booting the LPC1102 List of on board header style jumpers Header Description Default Notes Designator JP300 RS 485 120 open Open termination is disabled ohm Shorted termination is on across the RS485 terminations to signal Add termination when only the enable LPC1102 DMXS512 board is the last board connected in the RS485 daisy chain or if it s the only board on the RS485 bus to a DMXS512 master JP301 RS485 Open 3 3V shunt 1 2 transceiver 5V shunt 2 3 VCC voltage List of on board solder jumpers Jumper Description Default Notes Designator JS300 LPC1102 PO 9 to open Leave open UART connector CTS JS301 LPC1102 PO 8 to Open Leave open UART connector RTS JS302 LPC1102 UART short Open when using LPC1102 ISP RXD connect to Short to use RS485 transceiver for RS458 transceiver DMX512 interface receive output JS303 RS485
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