UEZGUI-EXP1 User Manual
Contents
1. General purpose digital input output pin Input Output I2STX_CLK 12S transmit clock It is driven by the master and Input Output PO 7_I2STX_CLK_SCK1_M received by the slave Corresponds to the signal SCK in the I2S bus AT 2 1 specification MAT2 1 Match output for Timer 2 channel 1 Output 18 SCK1 Serial Clock for SSP1 Input Output PO 6 General purpose digital input output pin Input Output I2SRX_SDA 12S Receive data It is driven by the transmitter and Input Output PO 6_I2SRX_SDA_SSEL1_ read by the receiver Corresponds to the signal SD in the I2S bus MAT2 0 specification SSEL1 Slave Select for SSP1 Input Output 19 MAT2 0 Match output for Timer 2 channel 0 Output PO 5 General purpose digital input output pin Input Output I2SRX_WS 12S Receive word select It is driven by the master and Input Output PO 5_12SRX_WS_TD2_CAP received by the slave Corresponds to the signal WS in the 12S bus s specification l TD2 CAN2 transmitter output Output CAP2 1 Capture input for Timer 2 channel 1 Input PO 4 General purpose digital input output pin Input Output I2SRX_CLK 12S Receive clock It is driven by the master and Input Output PO 4_I2SRX_CLK_RD2_CAP received by the slave Corresponds to the signal SCK in the I2S bus 2 0 specification 21 RD2 CAN2 receiver input Input CAP2 0 Capture input for Timer 2 channel O Input a2 Gromatend SSCSOSOSSOSTTCCSCS Se External reset input A LOW on this pin resets the2. trademarks of their respective owners FDI PN Revision 1 0 3 22 2011 Printed in the United States of America Introduction The uEZGUI EXP 1 is a quick and easy solution for adding additional hardware to the uEZGUI family of products The uEZGUI EXP 1 offers the hardware necessary for USB Host and Device Ethernet RS232 and RS485 Functional Description e RS232 RS485 Serial communication e USB Host and Device e 10 100 Ethernet Expansion Board Capabilities The uEZGUI Expansion Board enhances the capabilities of the standard uEZGUI board to include additional IO capabilities The Expansion Board is connected to the uEZGUI main board via a 50pin FPC cable T g E om i g E oo FDI FUTURE DESIGNS INC www teamfdi com Expansion Connector The uEZGUI 2478 43WQS includes a 50 pin FPC Expansion Connector that provides a wide variety of capabilities for user expansion ranging from 10 100 Ethernet to USB Host etc The table below provides the pin out and signal names available on this connector 1 Ground GND 10 11 12 13 14 15 P0 11_RXD2_SCL2_MAT3 P0 10_TXD2_SDA2_MAT3 P0 20 DTR1_SCL1 P0 19 DSR1_SDA1 P0 22_RTS1 P0 17_CTS1_MISO_MISOO P0 16_RXD1_SSELO P0 15 TXD1_SCKO TXD1_ SCK USB1_DP USB1_DM USB1H_PWRD USB1H_OVC USB1H_PPWR PO 11 General purpose digital input output pin RXD2 Receiver input for UART2 SCL2 12C2 c
3. DB TXD Output o 3 O 85 TDAH RD Input 4 SignalGround NoConnect 5 SignalGround SignalGround 6 SignalGround SignalGround o 8 ABS TB OPCS Oo 9 PTV NoComet USB Device P1 The UEZGUI EXP1 Board includes one USB Device Interface allowing the unit to be connected to a USB Host such as a PC Through this connection the uEZGUI represents a peripheral to the USB Host The operational mode of the port is dependent on the software utilized i e Mass Storage or Human Interface Note The USB Device connector of the Expansion Board is connected in parallel to the USB Device connector of the uEZGUI Main board To avoid damage or improper operation do not connect both of these at the same time The UEZGUI EXP1 Board may also be powered via the USB Device connector Care must be taken to not overload the USB Host since 500mA is the maximum current allowable via USB a ee a a ee ee ee Signal Ground USB Host P2 The uEZGUI EXP1 Board includes one USB Host Port allowing the unit to interface to various USB peripherals such as a USB Flash Drive Thumb Drive The operational mode of this port is dependent on the software utilized i e driver support Pinter Deseripton sm Ethernet J2 The UEZGUI EXP1 Board includes one 10 100 Ethernet Port to interface to a local area network via CAT5 cable Please refer to the specific details of the LPC2478 processor being utilized
4. UEZGUI EXP7 User s Manual titititi Ro HTD FD FE Seal 16 1p a FUTURE DESIGNS INC uEZGUI EXP1 www teami Copyright 2010 Future Designs Inc All Rights Reserved FD pa Designs Inc Your Development Partner 2702 Triana Boulevard SW Huntsville AL 35805 Table of Contents Introduction Functional Description Expansion Board Capabilities Expansion Connector Expansion Connector Cable Details DC Power Input P4 Serial Port P3 USB Device P1 USB Host P2 Ethernet J2 Connecting to the uEZGUI Boards Information in this document is provided solely to enable the use of Future Designs products FDI assumes no liability whatsoever including WO O O WON WW W W e e O O infringement of any patent or copyright FDI reserves the right to make changes to these specifications at any time without notice No part of this document may be reproduced or transmitted in any form or by any means electronic or mechanical for any purpose without the express written permission of Future Designs Inc 2702 Triana Blvd Huntsville AL 35805 For more information on FDI or our products please visit www teamfdi com NOTE The inclusion of vendor software products in this kit does not imply an endorsement of the product by Future Designs Inc 2011 Future Designs Inc All rights reserved uEZ is a registered trademark of Future Designs Inc Other brand names are trademarks or registered
5. device causing I O RESET_IN ports and peripherals to take on their default states and processor execution to begin at address O TTL with hysteresis 5 V tolerant Input RESET_OUT RSTOUT This is a 3 3 V pin LOW on this pin indicates LPC2478 being Output in Reset state P1 31_SCK1_AD0 5 Input Output Input Output P1 16_ENET_MDC Input Output Reel Oe aa Output Ground GND Power 31 i E E P1 10_ENET_RXD1 Input Output Input P1 15 General purpose digital input output pin Input Output P1 9_ENET_RXDO P1 9 General purpose digital input output pin Input Output P1 15_ENET_REFCLK ENET_REF_CLK ENET_RX_CLK Ethernet Reference Clock RMII interface Ethernet Receive Clock MII interface iiur P1 14 General purpose digital input output pin Input Output P1 14 ENET_RX_ER RX_ ENET_RX_ER Ethernet receive error RMII MII interface Input P1 8 ENET_CRSDV P1 8 General purpose digital input output pin Input Output ENET_CRS_DV ENET_CRS Ethernet Carrier Sense Data Valid RMII Input interface Ethernet Carrier Sense MII interface P1 4 ENET_TXEN P1 4 General purpose digital input output pin Input Output ENET_TX_EN Ethernet transmit data enable RMII MII interface Output 37 P1 1_ ENET_TXD1 P1 1 General purpose digital input output pin Input Output ENET_TXD1 Ethernet transmit data 1 RMII MII interface Output P1 0 General purpose Digital input output pin Input Output P1 0 ENET TXDO ENET_TXDO Eth
6. e select signal O P4 24 General purpose digital input output pin PO 19 General purpose digital input output pin CAP1 1 Capture input for Timer 1 channel 1 USB_PPWR1 Port Power enable signal for USB port 1 Input output Power Input output Input Input output Output Input Output Input Output Output Output Input Output Output Input Output Input Output Input Output Input Input Output Output Input Output Input Input Output Input Output Input Output Input Output Input Input Output Input Output Output Input Output Power Input Output Input Output Input Output Input Output Input Output Output Input Output Input Output Input Output PO 9 General purpose digital input output pin Input Output 16 PO 9_I2STX_SDA_MOSI1_ I2STX_SDA 12S transmit data It is driven by the transmitter and MAT2 3 read by the receiver Corresponds to the signal SD in the I2S bus specification Input Output MAT2 3 Match output for Timer 2 channel 3 Output MOSI1 Master Out Slave In for SSP1 Input Output PO 8 General purpose digital input output pin Input Output I2STX_WS 12S Transmit word select It is driven by the master and Input Output received by the slave Corresponds to the signal WS in the I2S bus PO 8_I2STX_WS_MISO1_ specification MAT 2 2 MAT2 2 Match output for Timer 2 channel 2 Output 17 MISO1 Master In Slave Out for SSP1 Input Output PO 7
7. ernet transmit data 0 RMII MII interface Output Ground GND Poet ISP_ENTRY I O P2 10 General purpose digital input output pin Note LOW on this pin while RESET is LOW forces on chip boot loader Input output to take over control of the part after a reset 41 PO 3 General purpose digital input output pin Input Output ENET_RXDO Ethernet receive data 0 RMII MII interface Input PO 3_RXDO RXDO Receiver input for UARTO Input PO 2 General purpose digital input output pin Input Output PO0 2_TXDO TXDO Transmitter output for UARTO Output PO 31 General purpose digital input output pin USB_D 2 USB port 2 bidirectional D line USBD_DM USB_D 2 USB port 2 eee None D line Input Output aE Input Output USB_PWRD2 Power Status USB_PWRD2 Power Status for USB port 2 sds USB USB_PWRD2 Power Status for USB port 2 sds 2 USBD_VBUS VBUS Monitors the presence of USB bus power Note This signal must be HIGH for USB reset to occur ADO 4 A D converter O input 4 46 48 a9 50 Input Output Input Output USBD_DP Expansion Connector Cable Details The maximum length for the expansion connector cables is as follows General Purpose IO TTL Serial etc 6 recommended maximum 8 absolute maximum Ethernet high speed IO etc 3 recommended maximum 4 absolute maximum The following table provides example part numbers for the expansion cable
8. for support of the Ethernet O Pommer otto Port function 75 ohm terminated Connecting to the uEZGUI Boards uEZGUI 2478 43WQS with uEZGUI EXP1 UEZGUI 2478 70WVE with uEZGUI EXP1 UEZGUI 2478 43WQS with uEZGUI EXP1 mounted in OEM Housing
9. lock input output this is not an open drain pin MAT3 1 Match output for Timer3 channel 1 PO 10 General purpose digital input output pin SDA2 I2C2 data input output this is not an open drain pin MAT3 0 Match output for Timer3 channel 0 TXD2 Transmitter output for UART2 PO 20 General purpose digital input output pin DTR1 Data Terminal Ready output for UART1 SCL1 12C1 clock input output this is not an open drain pin PO 19 General purpose digital input output pin SDA1 12C1 data input output this is not an open drain pin DSR1 Data Set Ready input for UART1 PO 22 General purpose digital input output pin RTS1 Request to Send output for UART1 PO 17 General purpose digital input output pin CTS1 Clear to Send input for UART1 MISO Master In Slave Out for SPI MISOO Master In Slave Out for SSPO PO 16 General purpose digital input output pin SSELO Slave Select for SPO RXD1 Receiver input for UART1 PO 15 General purpose digital input output pin SCKO Serial clock for SSPO TXD1 Transmitter output for UART1 SCK Serial clock for SPI PO 30 General purpose digital input output pin USB_D 1 USB port 1 bidirectional D line P4 29 General purpose digital input output pin USB_D 1 USB port 1 bidirectional D line P4 26 General purpose digital input output pin BLSO LOW active Byte Lan
10. s Mfg Mfg PN Digi Key Pn 3 20 pin 0 5mm 21020 0209 WM10226 ND 6 20 pin 0 5mm 21020 0215 WM10218 ND 3 50 pin 0 5mm 21020 7650 WM10231 ND 6 50 pin 0 5mm 21020 0548 WM10223 ND Note These lengths are only recommendations The actual lengths utilized will be dependent on the expansion board circuitry layouts and general environment of the application It is up to the customer to test and validate the functional operation and use of the expansion connectors DC Power Input P4 The uEZGUI EXP1 supports a 7VDC 24VDC 1A min Power Supply The connector is 2 1mm with center Ee positive 7VDC to 24VDC 10 1 0A min Power Supply Ground Serial Port P3 The uEZGUI EXP1 Board includes one female DB9 Serial Port Connector This connector may operate in either RS232 or RS485 Full duplex interface levels depending on jumper settings of JP1 through JP4 Jumpers JP1 JP4 select the operating mode of the serial port Jumper 1 2 for RS232 levels using UARTO Jumper 2 3 for RS485 levels using UART1 When operating as RS232 the serial port may also be optionally configured to support ISP programming of the LPC2478 using FlashMagic Software To enable ISP programming jumper JP6 amp JP7 must be loaded Note that with these jumpers loaded operation of the LPC2478 may be affected by the RS232 interface signals Refer to the FlashMagic user manual for details PinNumber RS485 Mode RS232Mode o 2 ABS R
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