ICOP Technology VEX-SOM User manual

ICOP Technology Inc.
User Manual
VEX-SOM
DM&P Vortex86EX
400MHz processor with FPU
Version 4.0

VEX-SOM User Manual
ICOP Technology Inc. I
Copyright
The information in this manual is subject to change without notice for
continues improvement in the product. All rights are reserved. The
manufacturer assumes no reasonability for any inaccuracies that may be
contained in this document and makes no commitment to update or to keep
current the information contained in this manual.
No part of this manual may be reproduced, copied, translated or transmitted,
in whole or in part, in any form or by any means without the prior to written
permission of ICOP Technology Inc.
ⓒCopyright 2015 ICOP Technology Inc
Trademarks Acknowledgement
Vortex86EXTM is the registered trademark of DM&P Electronics Inc.
Other brand names and product names that appear in this document are the
properties and registered trademarks of their respective owners. All names
mentioned herewith are served for identification purpose only.

VEX-SOM User Manual
ICOP Technology Inc. II
Revision History
Revision Date Remark
1.0 Aug 14, 2014 First release.
2.0 Sep 9, 2015 New version released
3.0 Nov. 3, 2016 Add Appendix
4.0 Aug 1, 2017 Add Selection Table
for I/O Function

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Table of Contents
1 General Information .......................................................................................................................... 1
1.1 Overview........................................................................................................................................... 1
1.2 Block diagram .................................................................................................................................. 2
1.3 Specifications ................................................................................................................................... 3
1.4 Ordering Information..................................................................................................................... 5
2 Hardware Information ....................................................................................................................... 6
2.1 Dimension ........................................................................................................................................ 6
2.2 Connectors ....................................................................................................................................... 8
2.2.1 Connector on Module (Female) .......................................................................................... 8
2.2.2 Matching connector on board (Male) ................................................................................. 8
2.3 Recommended Layout (for module) ............................................................................................ 9
2.4 Pin Assignments & Jumper Setting ............................................................................................ 10
2.4.1 Pin assignment ...................................................................................................................... 10
2.5 Pin Table List ................................................................................................................................. 12
2.6 Signal Description ......................................................................................................................... 13
3 Programmable I/O Selection ......................................................................................................... 16
3.1 Programmable I/O overview ...................................................................................................... 16
3.2 Selection Table for I/O Function .............................................................................................. 18
4 Software Resources .......................................................................................................................... 19
4.1 BIOS ................................................................................................................................................ 19
4.2 Software .......................................................................................................................................... 19
5 ADC ........................................................................................................................................................... 20
5.1 ADC overview ............................................................................................................................... 20
5.2 ADC Characteristic ....................................................................................................................... 20
5.3 ADC Sample code ......................................................................................................................... 20

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6 Evaluation Board ..................................................................................................................................... 21
Appendix ...................................................................................................................................................... 22
Warranty ....................................................................................................................................................... 27

VEX-SOM
ICOP Technology Inc.
1
General Information
1.1
Overview
The VEX-
SOM is a 45
Module with onboard CPU, DRAM and SPI Flash; also take advantage of
Vortex86EX
module.
ICOP Technology Inc.
General Information
Overview
SOM is a 45
x 28
mm, 128 pins, single +5V input, System On
Module with onboard CPU, DRAM and SPI Flash; also take advantage of
Vortex86EX
Programmable
I/O as a powerful, flexible, tiny and low power
General Information
mm, 128 pins, single +5V input, System On
Module with onboard CPU, DRAM and SPI Flash; also take advantage of
I/O as a powerful, flexible, tiny and low power
User Manual
1
mm, 128 pins, single +5V input, System On
Module with onboard CPU, DRAM and SPI Flash; also take advantage of
I/O as a powerful, flexible, tiny and low power

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1.2 Block diagram
For more detail about selecting I/O function, please refer to Chapter 3.2

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1.3 Specifications
Processor DM&P SoC CPU Vortex86EX 400Mhz with FPU
Cache L1: I/D-Cache 16/16KB, L2:128KB
System Memory 128M DDR3 Onboard
Flash Disk Support 128MB Onboard 7.5MB SPI Flash Disk
I/O Interface
Integrated 10/100Mbps Ethernet x 1
SATA v1.0 x 1 port (Secondary IDE Channel)
PCIe v1.1 x 1 port
USB v2.0 port x 2
ADC 11-bit 100K/s x 8 channels
I/O programmable
support 10 ports
(80 pins)
Function Description Maximum Unit
GPIO General Purpose Input/Output 80 bit
UART 16C550/16C552 compatible 10 port
TX/RX
UART UART with only TX/RX pin 8 pair
UART
TXDEN RS485 Auto direction control 8 bit
x-ISA selectable for 8/16 bit and all
other signals(Only 1 DMA channel)
1 bit/
port
MCM Motion control module 3 port
Printer Printer Port 1 port
SD/eMMC SD/eMMC 1 port
SPI Serial Peripheral Interface 2 port
CAN Controller Area Network 1 port
I2C Inter-Integrated Circuit 1 port
USB
Device USB Device port, version:1.1 1 port
LAN LED
Link and Duplex LED for
build-in Ethernet 2 bit
Keyboard PS/2 Keyboard 1 port
Mouse PS/2 Mouse 1 port
WDTOUT WatchDog timeout signal 1 bit
CLK OUT
Clock output select from
14.318MHz /24MHz /25MHz ISA
Clock
1 bit

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MTBF MTBF flag output 1 bit
HD Audio High Definition Audio 1 port
Power Requirement Single Voltage +5V @ 380 mA (typical)
Weight 10g
Dimensions 45(L)mm x 28(W)mm x 7(H)mm (1.77 x 1.1 inches)
Operating Temp. -20℃ ~ +70℃
-40℃ ~ +85℃ (optional)
Operating System
Support
- DOS
- Linux ( Kernel 2.6.24 or later, i486 mode)
- Windows CE 5.0 , CE 6.0 , Compact 7
- VxWorks 5.5 & 6.8
- QNX 6.3.2
- FreeBSD, OpenBSD and NetBSD.
- Other real time OS has 486 supports, for example RTOS-32.

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1.4 Ordering Information
Product Name Description
VEX-SOM Vortex86EX SOM 128 pin CPU Module with 128MB DDR3
VEX-SOM-X Vortex86EX SOM 128 pin CPU Module with 128MB DDR3,
-40°C ~+85°C support
VEX-SOM-DEV
VEX-SOM Development Board*1
MINIPCIE VGA cable*1
GPIO cable*5
Mini PCI VGA Board*1
Mini PCI express to PCI express converter*1
PRINT PORT cable*1
Y cable(1 Male to 2 Female)*1

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2
Hardware Information
2.1
Dimension
VEX
ICOP Technology Inc.
Hardware Information
Dimension
VEX
-SOM
Hardware Information
Optional heat sink with holder
User Manual
6
Optional heat sink with holder

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Unit: mm

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2.2 Connectors
2.2.1 Connector on Module (Female)
 Vendor: Conn Top Component INC
 Item number : P3N23-232D1BKC000I
2.2.2 Matching connector on board (Male)
On the carrier board, it needs 2 pcs of matching connectors; there are two
options below, and you can choose either one by your convenience.
 Option 1: (Note)
Vendor: Conn Top Component INC.
Conn Top item number: number: H3N25-232D1BKC002F
ICOP item number: number: PH2*32(1.27)-5.3MM
 Option 2:
Vendor: Samtec.
Item number: number: FTSH-132-02-F-DV
Note: Customer can buy “Option 1” connector from ICOP. The item
number is PH2*32(1.27)-5.3MM. For details, please contact ICOP sales.

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2.3 Recommended Layout (for module)
Please keep the whole area empty between two matching connector on your
carrier board.

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2.4 Pin Assignments & Jumper Setting
2.4.1 Pin assignment
As the image above, there are two rows of connector on VEX-SOM; Pin
A1~A64 is on the left and Pin B1~B64 is on the right. Please see the pin
assignments on the next page.

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Pin# Single
Name Pin# Single Name
Pin# Single
Name Pin# Single Name
A1 RSTDRV A2 VSS B1 VCC_IN B2 VCC_IN
A3 GP00 A4 GP01 B3 GP70 B4 GP71
A5 GP02 A6 GP03 B5 GP72 B6 GP73
A7 GP04 A8 GP05 B7 GP74 B8 GP75
A9 GP06 A10 GP07 B9 GP76 B10 GP77
A11 GP90 A12 GP91 B11 GP60 B12 GP61
A13 GP902 A14 GP93 B13 GP62 B14 GP63
A15 GP94 A16 GP95 B15 GP64 B16 GP65
A17 GP96 A18 GP97 B17 GP66 B18 GP67
A19 VSS A20 VSS B19 VSS B20 VSS
A21 USBD1- A22 USBD2- B21 GP50 B22 GP51
A23 USBD1+ A24 USBD2+ B23 GP52 B24 GP53
A25 AGND A26 AGND B25 GP54 B26 GP55
A27 ADC_0 A28 ADC_1 B27 GP56 B28 GP57
A29 ADC_2 A30 ADC_3 B29 GP40 B30 GP41
A31 ADC_4 A32 ADC_5 B31 GP42 B32 GP43
A33 ADC_6 A34 ADC_7 B33 GP44 B34 GP45
A35 VSS A36 VSS B35 GP46 B36 GP47
A37 SATA_TX- A38 SATA_RX- B37 VSS B38 VSS
A39 SATA_TX+ A40 SATA_RX+ B39 GP30 B40 GP31
A41 PE0_TX- A42 PE0_RX- B41 GP32 B42 GP33
A43 PE0_TX+ A44 PE0_RX+ B43 GP34 B44 GP35
A45 PE0_CLK- A46 PCIRST- B45 GP36 B46 GP37
A47 PE0_CLK+ A48 RESET- B47 GP20 B48 GP21
A49 VSS A50 VSS B49 GP22 B50 GP23
A51 LANTX- A52 LANRX- B51 GP24 B52 GP25
A53 LANTX+ A54 LANRX+ B53 GP26 B54 GP27
A55 VBATT A56 VCC1.8_OUT B55 VSS B56 VSS
A57 GP80 A58 GP81 B57 GP10 B58 GP11
A59 GP82 A60 GP83 B59 GP12 B60 GP13
A61 GP84 A62 GP85 B61 GP14 B62 GP15
A63 GP86 A64 GP87 B63 GP16 B64 GP17

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2.5 Pin Table List
*All GPIO pins are independent and can be configured as inputs or outputs. The output is 3.3V
level and input is 5V tolerance. The driving current is 8mA.
Category Function Pin Num.
SYSTEM RESET- ,PCIRST- 2
Programmable
Interface*
GP0[7:0], GP1[7:0], GP2[7:0], GP3[7:0], GP4[7:0], GP5[7:0],
GP6[7:0], GP7[7:0], GP8[7:0], GP9[7:0], RSTDRV 81
USB Interface USBD1-, USBD2-, USBD1+, USBD2+ 4
PCIE Bus Interface
PE0_TX-, PE0_RX-, PE0_TX+,PE0_RX+,
PE0_CLK-, PE0_CLK+ 6
SATA Interface SATA_TX-, SATA_RX-, SATA_TX+, SATA_RX+ 4
Ethernet Interface LANTX-, LANRX-, LANTX+, LANRX+ 4
ADC Interface ADC_0, ADC_1, ADC_2, ADC_3,
ADC_4, ADC_5, ADC_6, ADC_7 8
Battery Power VBATT 1
ADC Power AGND, AGND 2
1.8V Power VCC1.8_OUT 1
5V Power VCC_IN, VCC_IN 2
Digital Ground VSS (13 PINs) 13

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2.6 Signal Description
System (2pins)
PIN# Function TYPE Description
A48 RESET- I
System Reset. This pin is used to reset system. When it
is asserted low, the board will reset . This pin is low
active.
A46 PCIRST- O
PCI Reset. This pin is used to reset PCI devices. When
it is asserted low, all the PCI devices will be reset. This
pin is low active,3.3V I/O pad.
USB interface (4 pins)
PIN# Function TYPE Description
A21 USBD1-
I/O
Universal Serial Bus Controller 0 Port 1. These are the
serial data pair for USB Port 1. 15kΩ pull down
resistors are connected to DP and DM internally.
A23 USBD1+
A22 USBD2-
I/O
Universal Serial Bus Controller 0 Port 2. These are the
serial data pair for USB Port 2. 15kΩ pull down
resistors are connected to DP and DM internally.
A24 USBD2+
PCIe interface (6 pins)
PIN# Function TYPE Description
A42 PE0_RX- I PCI-E Differential serial data input. +: positive;
-:negative
A44 PE0_RX+
A41 PE0_TX- O PCI-E Differential serial data output. +: positive; -:
negative
A43 PE0_TX+
A45 PE0_CLK-
O PCI-E Differential Clock 100MHz from Internal PLL
+: positive; -: negative
A47 PE0_CLK+
SATA interface (4 pins)
PIN# Function TYPE Description
A37 SATA_TX-
O Serial ATA Device Controller TX Port. These are the
serial ATA Transmiter pair for Serial ATA Device.
A39 SATA_TX+
A38 SATA_RX-
I Serial ATA Device Controller RX Port. These are the
serial ATA Receive pair for Serial ATA Device.
A40 SATA_RX+

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Programmable I/O interface (80 pins)
Pin# Function Type Description
A3~A10 GP0[7:0] I/O
Programmable Port 0[7:0]. PIin function is select by
Programmable mechanism. This port support
Programmable Bit Mux select by group.
B57~B64 GP1[7:0] I/O
Programmable Port 1[7:0]. PIin function is select by
Programmable mechanism. This port support
Programmable Bit Mux select by group.
B47~B54 GP2[7:0] I/O
Programmable Port 2[7:0]. PIin function is select by
Programmable mechanism. This port support
Programmable Bit Mux select by group.
B39~B46 GP3[7:0] I/O
Programmable Port 3[7:0]. PIin function is select by
Programmable mechanism. This port support
Programmable Bit Mux select by group.
B29~B36 GP4[7:0] I/O
Programmable Port 4[7:0]. PIin function is select by
Programmable mechanism. This port support
Programmable Port Mux select by group.
B21~B28 GP5[7:0] I/O
Programmable Port 5[7:0]. PIin function is select by
Programmable mechanism. This port support
Programmable Port Mux select by group.
B11~B18 GP6[7:0] I/O
Programmable Port 6[7:0]. PIin function is select by
Programmable mechanism. This port support
Programmable Port Mux select by group.
B3~B10 GP7[7:0] I/O
Programmable Port 7[7:0]. PIin function is select by
Programmable mechanism. This port support
Programmable Port Mux select by group.
A57~A64 GP8[7:0] I/O
Programmable Port 8[7:0]. PIin function is select by
Programmable mechanism. This port support
Programmable Port Mux select by group.
A11~A18 GP9[7:0] I/O
Programmable Port 9[7:0]. PIin function is select by
Programmable mechanism. This port support
Programmable Port Mux select by group.
A1 RSTDRV O x-ISA Reset. This signal is reset signal for x-ISA bus.
This pin is high active, 3.3V I/O pad.

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LAN interface (4 pins)
Pin# Function Type Description
A51 LANTX- O TXN: 10B-T/100BT transmitting output pin/ receiving
input pin (negative)
A53 LANTX+ O TXP: 10B-T/100BT transmitting output pin/ receiving
input pin (positive)
A52 LANRX- I RXN: 10B-T/100BT receiving input pin/ transmitting
output pin (negative)
A54 LANRX+ I RXP: 10B-T/100BT receiving input pin/ transmitting
output pin (positive)
ADC interface (8 pins)
Pin# Function Type Description
A27~A34 ADC_[7:0] I ADC analog input
ADC power (2 pins)
Pin# Function Type Description
A25,A26 AGND G Analogue Ground for ADC
Battery power (1 pin)
Pin# Function Type Description
A55 VBATT P Battery power for RTC (Real Time Clock)
5V power input (2 pins)
Pin# Function Type Description
B1,B2 VCC_IN P 5V Power input.
1.8V power output (1 pin)
Pin# Function Type Description
A56 VCC1.8_
OUT P
1.8V Power output. Maximum output: 400mA. For SPI
flash disk, LAN transform …. Or other devices on
carrier board which need 1.8V.
Digital ground (13 pins)
Pin# Function Type Description
A2,A19,A20,A35,A36,A49,A50,
B19,B20,B37,B38,B55,B56 VSS G Digital Ground