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CAPA111
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AXIOMTEK CAPA110, CAPA111 User Manual

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CAPA110/111
AMD Embedded G-Series Processor Capa Board with LVDS
User’s Manual
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Disclaimers
CAUTION
Copyright 2011 Axiomtek Co., Ltd. All Rights Reserved November 2011, Version A2 Printed in Taiwan
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This manual has been carefully checked and believed to contain accurate information. Axiomtek Co., Ltd. assumes no responsibility for any infringements of patents or any third party’s rights, and any liability arising from such use.
Axiomtek does not warrant or assume any legal liability or responsibility for the accuracy, completeness or usefulness of any information in this document. Axiomtek does not make any commitment to update the information in this manual.
Axiomtek reserves the right to change or revise this document and/or product at any time without notice.
No part of this document may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of Axiomtek Co., Ltd.
If you replace wrong batteries, it causes the danger of explosion. It is recommended by the manufacturer that you follow the manufacturer’s instructions to only replace the same or equivalent type of battery, and dispose of used ones.
♥
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ESD Precautions
Trademarks Acknowledgments
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Computer boards have integrated circuits sensitive to static electricity. To prevent chipsets from electrostatic discharge damage, please take care of the following jobs with precautions:
Do not remove boards or integrated circuits from their anti-static packaging until you are ready to install them.
Before holding the board or integrated circuit, touch an unpainted portion of the system unit chassis for a few seconds. It discharges static electricity from your body.
Wear a wrist-grounding strap, available from most electronic component stores, when handling boards and components.
Axiomtek is a trademark of Axiomtek Co., Ltd. Windows® is a trademark of Microsoft Corporation.
AMI is trademark of American Megatrend Inc. IBM, PC/AT, PS/2, VGA are trademarks of International Business Machines Corporation.
Intel® and Pentium® are trademarks of Intel Corporation. AMD is trademark of AMD Corporation, Inc. Other brand names and trademarks are the properties and registered brands of their
respective owners.
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Table of Contents
Chapter 1 Introduction............................................. 1
Chapter 2 Board Layout and Pin Assignments ........... 5
2.4 Connectors........................................................................................13
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Disclaimers .......................................................................................................ii
ESD Precautions..............................................................................................iii
1.1 Features.................................................................................................1
1.2 Specifications .........................................................................................2
1.3 Utilities Supported ................................................................................. 3
2.1 Board Dimensions and Fixing Holes ..................................................... 5
2.2 Board Layout
...............................................................................................................
7
2.3 Jumper Settings .................................................................................... 9
2.3.1 Restore BIOS Optimal Defaults (JP1).......................................................10
2.3.2 LVDS Voltage Selection (JP2 and JP16) ..................................................10
2.3.3 CompactFlash™ Voltage Selection (JP5)................................................. 10
2.3.4 COM1 RS-232/422/485 Mode Setting (JP6, JP9, JP10) .......................... 10
2.3.5 COM1 Data/Power Selection (JP7)........................................................... 11
2.3.6 COM3 Data/Power Selection (JP8)........................................................... 11
2.3.7 COM2 Data/Power Selection (JP11)......................................................... 11
2.3.8 COM4 Data/Power Selection (JP12)......................................................... 11
2.3.9 Audio Output Selection (JP13)..................................................................12
2.3.10 Auto Power On (JP15) ..............................................................................12
2.4.1 Power Connector (ATX1) ..........................................................................14
2.4.2 LVDS Connector (CN1).............................................................................14
2.4.3 Inverter Connector (CN2)..........................................................................16
2.4.4 DisplayPort Connector (CN3)....................................................................16
2.4.5 VGA Connector (CN4)...............................................................................17
2.4.6 Digital I/O Port Connector (CN5)...............................................................17
2.4.7 PCI-Express Mini Card Connector (CN6) ................................................. 18
2.4.8 COM3 and COM4 Connector (CN7) .........................................................19
2.4.9 COM1 Connector (COM1/CN8) ................................................................19
2.4.10 COM2 Connector (CN9)............................................................................20
2.4.11 Audio Connector (CN10)...........................................................................20
2.4.12 Front Panel Connector (CN11)..................................................................20
2.4.13 CPU Fan Connector (CN12) .....................................................................21
2.4.14 SMBus Connector (CN13) (Option) ..........................................................21
2.4.15 Power Output Connector (CN14)..............................................................21
Chapter 3 Hardware Description........................... 25
Chapter 4 AMI BIOS Setup Utility.......................... 31
Appendix A Watchdog Timer................................... 49
Appendix B Digital I/O ............................................. 53
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2.4.16 USB Connectors (CN16 and CN17)..........................................................22
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2.4.17 Serial ATA Connectors (SATA1 and SATA2) .............................................22
2.4.18 USB Connector (USB1) ............................................................................23
2.4.19 CompactFlash™ Socket (SCF1)...............................................................23
2.4.20 Ethernet Ports (LAN1 and LAN2)..............................................................24
3.1 APU (Accelerated Processing Unit) ....................................................25
3.2 BIOS.....................................................................................................25
3.3 System Memory .................................................................................. 25
3.4 I/O Port Address Map.......................................................................... 26
3.5 Interrupt Controller (IRQ) Map............................................................. 28
3.6 Memory Map ....................................................................................... 29
4.1 Starting.................................................................................................31
4.2 Navigation Keys .................................................................................. 31
4.3 Main Menu .......................................................................................... 32
4.4 Advanced Menu .................................................................................. 33
4.5 Chipset Menu ...................................................................................... 40
4.6 Boot Menu............................................................................................45
4.7 Security Menu ..................................................................................... 46
4.8 Save & Exit Menu................................................................................ 47
About Watchdog Timer....................................................................................49
How to Use Watchdog Timer ......................................................................... 49
Sample Program.............................................................................................50
About Digital I/O............................................................................................. 53
Digital I/O Software Programming.................................................................. 53
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Introduction
Chapter 1
Introduction
CAPA11 CAPA111
1.1 Features
z
z z z z z z
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Introduction
1.2 Specifications
z CPU
  
z System Chipset
z BIOS
  
z System Memory
  
z Onboard Multi I/O
 
z SATA
z CompactFlash™ Socket
z USB Interface
z Display
  
z Watchdog Timer
z Ethernet
z Audio
 
z Expansion Interface
z Power Management
z Form Factor
Note: All specifications and images are subject to change without notice.
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The CAPA110/111, a Capa board, supports AMD G-Series APU T56N/T40E/T40R. The board integrates the Fusion Controller Hub A50M and delivers outstanding system performance through high-bandwidth interfaces, multiple I/O functions for interactive applications and various embedded computing solutions.
There is one 204-pin unbuffered SO-DIMM socket for single channel DDR3-1066/1333 MHz memory (only T56N can be up to DDR3-1333), maximum memory capacity up to 4GB. It also features two Gigabit/Fast Ethernet ports, two serial ATA channels for total two Serial ATA hard drives at maximum transfer rate up to 600MB/sec, six USB 2.0 high speed compliant, and built-in HD audio codec that can achieve the best stability and reliability for industrial applications. Additionally, it provides you with unique embedded features, such as 4 serial ports and 3.5” form factor that applies an extensive array of PC peripherals.
AMD G-Series APU dual core T56N (1.65 GHz), T40E (1.0GHz) and single core T40R (1.0GHz) AMD Fusion Controller Hub A50M chipset 1 DDR3 SO-DIMM supports up to 4 GB memory capacity 6 USB 2.0 ports 4 COM ports +12V only DC-in supported DirectX®11 support
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Introduction
1.3 Utilities Supported
z z z z
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AMD G-Series APU dual core T56N 1.65 GHz AMD G-Series APU dual core T40E 1.0 GHz AMD G-Series APU single core T40R 1.0 GHz
AMD A50M
American Megatrends Inc. UEFI (Unified Extensible Firmware Interface) BIOS 16Mbit SPI Flash, DMI, Plug and Play RPL/PXE Ethernet Boot ROM
One 204-pin unbuffered DDR3 SO-DIMM socket Maximum to 4GB DDR3 1066 MHz memory for T40E/T40R Maximum to 4GB DDR3 1333 MHz memory for T56N
Controller: Nuvoton W83627UHG Serial Ports: One port for RS-232/422/485 and three ports for RS-232
Two SATA-600 connectors
One CompactFlash™ Type II Socket
Six USB ports with fuse protection and complies with USB Spec. Rev. 2.0
A slim type 15-pin D-Sub connector as VGA connector One 40-pin connector for 18/24-bit single/dual channel LVDS One Display Port (CAPA110 only)
1~255 seconds or minutes; up to 255 levels
Two ports with Realtek RTL8111E for Gigabit/Fast Ethernet
HD audio compliant (with speaker/line-out & line/MIC-in) with Realtek ALC662 Speaker/line-out & MIC-in & Line-in via Box Header connector
One PCI-Express Mini Card socket which complies with PCI-Express Mini Card spec v1.2
ACPI(Advanced Configuration and Power Interface)
3.5” form factor
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Introduction
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Chipset and Graphic Driver Ethernet Driver (RTL8111E) Audio Driver AHCI Driver
CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
Chapter 2
Board Layout and Pin Assignments
2.1 Board Dimensions and Fixing Holes
T op Side
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
Bottom Side
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.2 Board Layout
T op Side
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
Bottom Side
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.3 Jumper Settings
Jumper Description Jumper Setting
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.3.1 Restore BIOS Optimal Defaults (JP1)
1 2 3
2.3.2 LVDS Voltage Selection (JP2 and JP16)
2.3.3 CompactFlash™ Voltage Selection (JP5)
2.3.4 COM1 RS-232/422/485 Mode Setting (JP6, JP9, JP10)
Function Setting
Function JP2 Setting
Function JP16 Setting
Function Setting
Function Setting
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Jumper is a small component consisting of jumper clip and jumper pins. Install jumper clip on 2 jumper pins to close. And remove jumper clip from 2 jumper pins to open. Below illustration shows how to set up jumper.
Properly configure jumper settings on the CAPA110/111 to meet your application purpose. Below you can find a summary table of all jumpers and onboard default settings.
JP1
JP2
JP5
Restore BIOS Optimal Defaults Default: Normal Operation
LVDS Voltage Selection Default: +3.3V
CompactFlash™ Voltage Selection Default: +3.3V
1-2 close
1-2 close
1-2 close
JP6 1-2 close
COM1 RS-232/422/485 Mode Setting
JP9 3-5, 4-6 close
JP10
JP7
JP8
COM1 Data/Power Selection Default: RS-232 Data (CAPA111)
CN8 Data/Power Selection Default: RS-232 Data (CAPA110)
COM3 Data/Power Selection Default: RS-232 Data
COM2 Data/Power Selection
3-5, 4-6 close
COM1 Pin 1: DCD 3-5 close COM1 Pin 9: RI 4-6 close CN8 Pin 1: DCD 3-5 close CN8 Pin 8: RI 4-6 close CN7 Pin 1: DCD 3-5 close
CN7 Pin 8: RI 4-6 close CN9 Pin 1: DCD 3-5 close
Default: RS-232 Data
CN9 Pin 8: RI 4-6 close
JP12
JP13
JP15 JP16
(Option)
COM4 Data/Power Selection Default: RS-232 Data
Audio Output Selection Default: Line Out
Auto Power On Default: Disable
LVDS Voltage Selection Default: +12V
CN7 Pin 11: DCD 3-5 close CN7 Pin 18: RI 4-6 close
1-3, 2-4 close
1-2 close
1-2 close
9
Default: RS-232
JP11
CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.3.5 COM1 Data/Power Selection (JP7)
2.3.6 COM3 Data/Power Selection (JP8)
2.3.7 COM2 Data/Power Selection (JP11)
2.3.8 COM4 Data/Power Selection (JP12)
Function Setting
Function Setting
Function Setting
Function Setting
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Put jumper clip to pin 2-3 for a few seconds then move it back to pin 1-2. Doing this procedure can restore BIOS optimal defaults.
Normal (Default) 1-2 close Restore BIOS optimal defaults 2-3 close
The board supports voltage selection for flat panel displays. JP2 is used to set LVDS connector (CN1) pin 1~6 VCCM to +3.3V or +5V voltage level. JP16 (option) is used to set LVDS connector (CN1) pin 1~6 VCCM to +12V voltage level.
+3.3V level (Default) 1-2 close +5V level 2-3 close
+12V level (Option) 1-2 close
This jumper is for CompactFlash™ voltage level selection. Use it to set CompactFlash™ connector (SCF1) pin 13 (VCC) and pin 38 (VCC) to +3.3.V or +5V.
+3.3V level (Default) 1-2 close +5V level 2-3 close
Use these jumpers to set COM1 port to operate as RS-232, RS-422 or RS-485 communication mode. When these jumpers are set to operate as RS-422 or RS485, please make sure COM1 is on data mode (see section 2.3.5)
RS-232 mode (Default)
RS-422 mode
RS-485 mode
JP6 1-2 close JP9 3-5, 4-6 close JP10 3-5, 4-6 close
JP6 3-4 close JP9 1-3, 2-4 close JP10 1-3, 2-4 close
JP6 5-6 close JP9 1-3, 2-4 close JP10 1-3, 2-4 close
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.3.9 Audio Output Selection (JP13)
2.3.10 Auto Power On (JP15)
Note: This function is similar to the feature of power on after power failure, which is
controlled by hardware circuitry instead of BIOS.
Function Setting
Function Setting
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The COM1 port has +5V level power capability on DCD and +12V level on RI by setting this jumper. When COM1 is set to +5V or +12V level, please make sure the communication mode is RS-232 (see section 2.3.4).
Power: Set COM1 pin 1/CN8 pin 1 to +5V level 1-3 close Data: Set COM1 pin 1/CN8 pin 1 to DCD (Default) 3-5 close Power: Set COM1 pin 9/CN8 pin 8 to +12V level 2-4 close Data: Set COM1 pin 9/CN8 pin 8 to RI (Default) 4-6 close
The COM3 port has +5V level power capability on DCD and +12V on RI by setting this jumper.
Power: Set CN7 pin 1 to +5V level 1-3 close Data: Set CN7 pin 1 to DCD (Default) 3-5 close Power: Set CN7 pin 8 to +12V level 2-4 close Data: Set CN7 pin 8 to RI (Default) 4-6 close
The COM2 port has +5V level power capability on DCD and +12V level on RI by setting this jumper.
Power: Set CN9 pin 1 to +5V level 1-3 close Data: Set CN9 pin 1 to DCD (Default) 3-5 close Power: Set CN9 pin 8 to +12V level 2-4 close Data: Set CN9 pin 8 to RI (Default) 4-6 close
The COM4 port has +5V level power capability on DCD and +12V level on RI by setting this jumper.
Power: Set CN7 pin 11 to +5V level 1-3 close Data: Set CN7 pin 11 to DCD (Default) 3-5 close Power: Set CN7 pin 18 to +12V level 2-4 close Data: Set CN7 pin 18 to RI (Default) 4-6 close
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.4 Connectors
Connector Description
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JP13 is to select line out or speaker out as source of audio output on audio connector CN10. When speaker out is used, it delivers 2W/channel continuous into 8 Ohm loads.
Line out (Default) 1-3, 2-4 close Speaker out 3-5, 4-6 close
If JP15 is enabled for AC power input, the system will be automatically power on without pressing soft power button. If JP15 is disabled for AC power input, it is necessary to manually press soft power button to power on the system.
Disable auto power on (Default) 1-2 close Enable auto power on 1-2 open
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.4.1 Power Connector (ATX1)
2.4.2 LVDS Connector (CN1)
18bits single channel
Pin Signal
Pin Signal Pin Signal
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Signals go to other parts of the system through connectors. Loose or improper connection might cause problems, please make sure all connectors are properly and firmly connected. Here is a summary table which shows all connectors on the hardware.
ATX1 Power Connector CN1 LVDS Connector CN2 Inverter Connector CN3 DisplayPort (CAPA110) CN4 VGA Connector CN5 Digital I/O Port Connector CN6 PCI-Express Mini Card Connector CN7 COM3 and COM4 Connector CN8 COM1 Connector (CAPA110) CN9 COM2 Connector CN10 Audio Connector CN11 Front Panel Connector CN12 CPU Fan Connector CN13 SMBus Connector (Option) CN14 Power Output Connector CN16 USB Port 2 and 3 CN17 USB Port 4 and 5 COM1 COM1 Connector (CAPA111) SATA1 Serial ATA1 Connector SATA2 Serial ATA2 Connector USB1 USB Port 0 and 1 SCF1 CompactFlash™ Socket SDIMM1 DDRIII SO-DIMM Connector LAN1 Ethernet Port 1 LAN2 Ethernet Port 2
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
24bits single channel 18bits dual channel
24bits dual channel
Note: see section 4.5 for LVDS resolution
setting in BIOS menu.
Pin Signal Pin Signal
Pin Signal Pin Signal
Pin Signal Pin Signal
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The ATX1 is a 4-pin power supply interface. External power supply plug fits into ATX1 in only one orientation. Properly press down power supply plug until it completely and firmly fits into this connector. Loose connection may cause system instability.
1 GND 2 GND 3 +12V 4 +12V
This board has a 40-pin connector CN1 for LVDS LCD interface. It is strongly recommended to use the matching JST SHDR-40VS-B 40-pin connector for LVDS interface. Pin 1~6 VCCM can be set to +3.3V level or +5V level by JP2 (see section
2.3.2).
1 VCCM 2 VCCM 3 VCCM 4 VCCM 5 VCCM 6 VCCM 7 N.C. 8 N.C. 9 GND 10 GND 11 N.C. 12 N.C. 13 N.C. 14 N.C. 15 GND 16 GND 17 N.C. 18 N.C. 19 N.C. 20 N.C. 21 GND 22 GND 23 Channel A D0- 24 N.C. 25 Channel A D0+ 26 N.C. 27 GND 28 GND 29 Channel A D1- 30 N.C. 31 Channel A D1+ 32 N.C. 33 GND 34 GND 35 Channel A D2- 36 Channel A CLK­37 Channel A D2+ 38 Channel A CLK+ 39 GND 40 GND
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1 VCCM 2 VCCM
3 VCCM 4 VCCM 5 VCCM 6 VCCM 7 N.C. 8 N.C.
9 GND 10 GND 11 N.C. 12 N.C. 13 N.C. 14 N.C. 15 GND 16 GND 17 N.C. 18 N.C. 19 N.C. 20 N.C. 21 GND 22 GND 23 Channel A D0- 24 N.C. 25 Channel A D0+ 26 N.C. 27 GND 28 GND 29 Channel A D1- 30 Channel A D3- 31 Channel A D1+ 32 Channel A D3+ 33 GND 34 GND 35 Channel A D2- 36 Channel A CLK­37 Channel A D2+ 38 Channel A CLK+ 39 GND 40 GND
1 VCCM 2 VCCM
3 VCCM 4 VCCM
5 VCCM 6 VCCM
7 N.C. 8 N.C.
9 GND 10 GND 11 Channel B D3- 12 Channel B D0­13 Channel B D3+ 14 Channel B D0+ 15 GND 16 GND 17 Channel B CLK- 18 Channel B D1­19 Channel B CLK+ 20 Channel B D1+ 21 GND 22 GND 23 Channel A D0- 24 Channel B D2­25 Channel A D0+ 26 Channel B D2+ 27 GND 28 GND 29 Channel A D1- 30 Channel A D3­31 Channel A D1+ 32 Channel A D3+ 33 GND 34 GND 35 Channel A D2- 36 Channel A CLK­37 Channel A D2+ 38 Channel A CLK+ 39 GND 40 GND
1 VCCM 2 VCCM 3 VCCM 4 VCCM 5 VCCM 6 VCCM 7 N.C. 8 N.C.
9 GND 10 GND 11 N.C. 12 Channel B D0- 13 N.C. 14 Channel B D0+ 15 GND 16 GND 17 Channel B CLK- 18 Channel B D1- 19 Channel B CLK+ 20 Channel B D1+ 21 GND 22 GND 23 Channel A D0- 24 Channel B D2- 25 Channel A D0+ 26 Channel B D2+ 27 GND 28 GND 29 Channel A D1- 30 N.C. 31 Channel A D1+ 32 N.C. 33 GND 34 GND 35 Channel A D2- 36 Channel A CLK­37 Channel A D2+ 38 Channel A CLK+ 39 GND 40 GND
1
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.4.3 Inverter Connector (CN2)
2.4.4 DisplayPort Connector (CN3)
1 20
Pin Signal
Pin Signal
CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.4.5 VGA Connector (CN4)
2.4.6 Digital I/O Port Connector (CN5)
Pin Signal Pin Signal
Pin Signal Pin Signal
CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.4.7 PCI-Express Mini Card Connector (CN6)
Pin Signal Pin Signal
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The CN2 is DF13-7P-1.25V 7-pin connector for inverter. We strongly recommend you to use the matching DF13-7S-1.25C connector to avoid malfunction.
1 VBL1 (+12V level) 2 VBL1 (+12V level) 3 VBL2 (+5V level) 4 VBL_ENABLE 5 GND 6 GND 7 GND
DisplayPort is a standard designed to replace digital (DVI) and analog component video (VGA) connectors in computer monitors and video cards, as well as replace internal digital LVDS links in computer monitor panels and TV panels. The CN3 is a DisplayPort (digital display interface standard) connector which is co-layout with a standard DB-9 connector (COM1).
1 DPB_LANE0 2 GND 3 DPB_LANE0# 4 DPB_LANE1 5 GND 6 DPB_LANE1# 7 DPB_LANE2 8 GND 9 DPB_LANE2# 10 DPB_LANE3 11 GND 12 DPB_LANE3# 13 Detect Pin 14 GND 15 DPB_AUX 16 GND 17 DPB_AUX# 18 DPB_HPDE 19 GND 20 +3.3V
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.4.8 COM3 and COM4 Connector (CN7)
2.4.9 COM1 Connector (COM1/CN8)
COM1(CAPA111)
CN8(CAPA110)
Pin Signal Pin Signal
Pin RS-232 RS-422 RS-485
Pin Signal Pin Signal
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The CN4 is a standard slim type 15-pin D-Sub connector which is commonly used for CRT VGA monitor. This VGA interface configuration can be configured via software utility.
1 Red 2 Green 3 Blue 4 N.C. 5 GND 6 DETECT 7 GND 8 GND 9 VCC 10 GND 11 N.C. 12 DDC DATA 13 Horizontal Sync 14 Vertical Sync 15 DDC CLK
The board is equipped with an 8-channel (3 inputs and 5 outputs) digital I/O connector that meets requirements for a system customary automation control. The digital I/O can be configured to control cash drawers and sense warning signals from an Uninterrupted Power System (UPS), or perform store security control. You may use software programming to control these digital signals. The software application method is provided in Appendix B.
1 Digital Input 0 2 Digital Output 0 3 Digital Input 1 4 Digital Output 1 5 Digital Input 2 6 Digital Output 2 7 GND 8 Digital Output 3 9 GND 10 Digital Output 4
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.4.10 COM2 Connector (CN9)
2.4.11 Audio Connector (CN10)
2.4.12 Front Panel Connector (CN11)
Power LED
External Speaker and Internal Buzzer
Pin Signal Pin Signal
Pin Signal Pin Signal
Pin Signal
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CN6 is a PCI-Express Mini Card connector which supports a PCI-Express x1 link and a USB 2.0 link. A PCI-Express Mini Card can be applied to either PCI-Express or USB 2.0. It complies with PCI-Express Mini Card spec v1.2.
1 WAKE# 2 +3.3VSB 3 No use 4 GND 5 No use 6 +1.5V 7 CLKREQ# 8 No use 9 GND 10 No use 11 REFCLK- 12 No use 13 REFCLK+ 14 No use 15 GND 16 No use 17 No use 18 GND 19 No use 20 W_DISABLE# 21 GND 22 PERST# 23 PE_RXN3 24 +3.3VSB 25 PE_RXP3 26 GND 27 GND 28 +1.5V 29 GND 30 SMB_CLK 31 PE_TXN3 32 SMB_DATA 33 PE_TXP3 34 GND 35 GND 36 USB_D8­37 GND 38 USB_D8+ 39 +3.3VSB 40 GND 41 +3.3VSB 42 No use 43 GND 44 No use 45 No use 46 No use 47 No use 48 +1.5V 49 No use 50 GND 51 No use 52 +3.3VSB
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
ATX Power On/Off Button
System Reset Switch
HDD Activity LED
2.4.13 CPU Fan Connector (CN12)
2.4.14 SMBus Connector (CN13) (Option)
2.4.15 Power Output Connector (CN14)
Pin Signal
Pin Signal
Pin Signal
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Both COM 3 and COM 4 ports have +5V level power capability on DCD and 12V level on RI depending on the JP8 and JP12 jumper settings, respectively (see section 2.3.6 and
2.3.8 ). The pin assignments are listed on the following table.
1 DCD3 2 DSR3 3 RXD3 4 RTS3 5 TXD3 6 CTS3 7 DTR3 8 RI3 9 GND 10 N.C. 11 DCD4 12 DSR4 13 RXD4 14 RTS4 15 TXD4 16 CTS4 17 DTR4 18 RI4 19 GND 20 N.C.
The COM1 is a standard DB-9 connector (CAPA111 only). This connector is equipped with +5V level power capability on DCD and +12V level on RI by setting JP7 (see section
2.3.5). The pin assignment of RS-232/RS-422/RS-485 is listed on the following table. If you need COM1 port to support RS-422 or RS-485 mode, please refer to section 2.3.4.
1 DCD TX- Data­2 RXD TX+ Data+ 3 TXD RX+ N.C 4 DTR RX- N.C. 5 GND No use No use 6 DSR No use No use 7 RTS No use No use 8 CTS No use No use 9 RI No use No use
The CN8 is a 2x5 pin box header (CAPA110 only). This connector is equipped with +5V level power capability on DCD and +12V level on RI by setting JP7 (see section 2.3.5). The pin assignment of RS-232/RS-422/RS-485 is listed on the following table. If you need COM1 port to support RS-422 or RS-485 mode, please refer to section 2.3.4.
1 DCD 2 DSR 3 RXD 4 RTS 5 TXD 6 CTS 7 DTR 8 RI 9 GND 10 N.C.
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.4.16 USB Connectors (CN16 and CN17)
2.4.17 Serial ATA Connectors (SATA1 and SATA2)
Pin USB Port 2 Pin USB Port 3
Pin USB Port 4 Pin USB Port 5
Pin Signal
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The COM2 port has +5V level power capability on DCD and +12V level on RI by setting JP11 (see section 2.3.7). The pin assignments are listed on the following table.
1 DCD2 2 DSR2 3 RXD2 4 RTS2 5 TXD2 6 CTS2 7 DTR2 8 RI2 9 GND 10 N.C.
Pin 7 and pin 9 of CN10 can be set to different audio source by setting JP13 (see section
2.3.9).
1 MIC_IN 2 GND 3 LINE_IN_L 4 GND 5 LINE_IN_R 6 GND 7 AUDIO_OUT_L 8 GND 9 AUDIO_OUT_R 10 N.C.
1 PWRLED+ 2 EXT SPK­3 N.C. 4 Buzzer 5 PWRLED­6 N.C. 7 N.C. 8 EXT SPK+ 9 PWRSW­10 PWRSW+ 11 HW RST­12 HW RST+ 13 HDDLED­14 HDDLED+
Pin 1 connects anode(+) of LED and pin 5 connects cathode(-) of LED. The power LED lights up when the system is powered on.
Pin 2, 4, 6 and 8 connect the case-mounted speaker unit or internal buzzer. While connecting the CPU card to an internal buzzer, please set pin 2 and 4 closed; while connecting to an external speaker, you need to set pins 2 and 4 opened and connect the speaker cable to pin 8(+) and pin 2(-).
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.4.18 USB Connector (USB1)
2.4.19 CompactFlash™ Socket (SCF1)
Pin USB Port 0 Pin USB Port 1
Pin Signal Pin Signal
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Pin 9 and 10 connect the ATX power button on front panel to the CPU card, which allows users to turn on or off ATX power supply.
Pin 11 and 12 connect the case-mounted reset switch that reboots your computer without turning off the power switch. It is a better way to reboot your system for a longer life of system power supply.
This connection is linked to hard drive activity LED on the control panel. LED flashes when HDD is being accessed. Pin 13 and 14 connect the hard disk drive to the front panel HDD LED, pin 13 is assigned as cathode(-) and pin 14 is assigned as anode(+).
The CN12 is a CPU fan interface. You can find fan speed on BIOS Setup Utility if CPU fan is installed. For further information, see BIOS Setup Utility: Advanced\H/W Monitor \PC Health Status (see section 4.4).
1 GND 2 +12V level 3 Fan speed feedback
This connector is for SMBus interface support. The SMBus (System Management Bus) is a single-ended simple 2-wire bus for the purpose of lightweight communication. Most commonly it is used for communication with the power source for on/off instructions.
1 CLK 2 DATA 3 GND
Use CN14 for connecting to SATA 2.5" HDD power supply.
1 +12V level 2 GND 3 GND 4 +5V level
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Board Layout and Pin Assignments
2.4.20 Ethernet Ports (LAN1 and LAN2)
A B
Pin Signal Pin Signal
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The 2x5 pin wafers are Universal Serial Bus (USB) connectors, CN16 and CN17. They are for installing versatile USB interface peripherals. The CN16 is designed with +5V level standby power which can provide power when system is in suspend mode.
CN16 carries USB port 2 and 3 while CN17 carries USB port 4 and 5.
1
USB VCC (+5V level standby power)
2 USB VCC (+5V
level standby power)
3 USB #2_D- 4 USB #3_D­5 USB #2_D+ 6 USB #3_D+ 7 GND 8 GND 9 GND 10 GND
1
USB VCC (+5V level)
2 USB VCC (+5V
level)
3 USB #4_D- 4 USB #5_D­5 USB #4_D+ 6 USB #5_D+ 7 GND 8 GND 9 GND 10 GND
These Serial Advanced Technology Attachment (Serial ATA or SATA) connectors are for high-speed SATA interface ports. They are computer bus interfaces for connecting to devices such as hard disk drives.
1 GND 2 SATA_TX+ 3 SATA_TX­4 GND 5 SATA_RX­6 SATA_RX+ 7 GND
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Hardware Description
Chapter 3
Hardware Description
3.1 APU (Accelerated Processing Unit)
3.2 BIOS
3.3 System Memory
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The board features Universal Serial Bus (USB) connectors, compliant with USB 2.0 (480Mbps) that can be adapted to any USB peripherals, such as monitor, keyboard and mouse. This USB1 connector carries USB port 0 and 1.
1
USB VCC (+5V level)
5 USB VCC (+5V
level)
2 USB #0_D- 6 USB #1_D­3 USB #0_D+ 7 USB #1_D+ 4 GND 8 GND
The board is equipped with a CompactFlashTM disk type-II socket on the bottom side to
support an IDE interface CompactFlashTM disk card with DMA mode supported. The
socket is especially designed to avoid incorrect installation of the CompactFlashTM disk
card. When installing or removing the CompactFlashTM disk card, please make sure the
system power is off. Pin 13 and pin 38 power voltage can be configured by setting JP5 (see section 2.3.3).
1 GND 26 CD1­2 Data 3 27 Data 11 3 Data 4 28 Data 12 4 Data 5 29 Data 13 5 Data 6 30 Data 14 6 Data 7 31 Data 15 7 CS0# 32 CS1# 8 Address 10 33 VS1# 9 ATASEL 34 IORD# 10 Address 9 35 IOWR# 11 Address 8 36 WE# 12 Address 7 37 INTR 13 VCC 38 VCC 14 Address 6 39 CSEL# 15 Address 5 40 VS2# 16 Address 4 41 RESET# 17 Address 3 42 IORDY# 18 Address 2 43 DMAREQ 19 Address 1 44 DMAACK­20 Address 0 45 DASP# 21 Data 0 46 PDIAG# 22 Data 1 47 Data 8 23 Data 2 48 Data 9 24 IOCS16# 49 Data 10 25 CD2# 50 GND
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Hardware Description
3.4 I/O Port Address Map
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Ethernet ports are RJ-45 connectors. Connection can be established by plugging one end of the ethernet cable into LAN1/LAN2 and the other end (phone jack) to a 1000/100/10-Base-T hub.
L1 MDI0+ L5 MDI2+ L2 MDI0- L6 MDI2­L3 MDI1+ L7 MDI3+ L4 MDI1- L8 MDI3­A Active LED (Yellow)
B
100 LAN LED (Green) / 1000 LAN LED (Orange)
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Hardware Description
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The CAPA110/111 series support AMD G-Series APU (Accelerated Processing Unit) T56N/ T40E/T40R, which enables your system to operate under Windows® XP, Windows® 7 and Linux environments. The system performance depends on the APU.
The CAPA110/111 series use AMI Plug and Play BIOS with a single 16Mbit SPI Flash.
The CAPA110/111 series support one 204-pin DDR3 SO-DIMM sockets for a maximum memory of 4GB DDR3 SDRAMs. The memory module comes in sizes of 1GB, 2GB and 4GB.
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Hardware Description
3.5 Interrupt Controller (IRQ) Map
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The AMD G-Series APU communicates via I/O ports. Total 1KB port addresses are available for assigning to other devices via I/O expansion cards.
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Hardware Description
3.6 Memory Map
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Hardware Description
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
AMI BIOS Setup Utility
Chapter 4
AMI BIOS Setup Utility
4.1 Starting
Note: If your computer can not boot after making and saving system changes with Setup,
you can restore BIOS optimal defaults by setting JP1 (see section 2.3.1) .
4.2 Navigation Keys
Note: Some of the navigation keys differ from one screen to another.
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The CAPA110/111 series are 100% PC compatible control boards which consist of 20 interrupt request lines. Four out of 20 can be programmable. The mapping list of the 20 interrupt request lines is shown as the following table.
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AMI BIOS Setup Utility
Hot Keys Description
ÆÅ Left/Right
ÇÈ Up/Down
+− Plus/Minus
Tab F1 F2 F3
F4
Esc
Enter
4.3 Main Menu
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The memory mapping list is shown as follows:
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AMI BIOS Setup Utility
z System Language
z System Date/Time
4.4 Advanced Menu
z Launch PXE OpROM
f
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AMI BIOS Setup Utility
z ACPI Settings
Enable ACPI Auto Configuration
ACPI Sleep State
S3 Video Repost
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.
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AMI BIOS Setup Utility
z CPU Configuration
Node 0 Information
z IDE Configuration
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The AMI UEFI BIOS provides users with a built-in setup program to modify basic system configuration. All configured parameters are stored in a 16MB flash chip to save the setup information whenever the power is turned off. This chapter provides users with detailed description about how to set up basic system configuration through the AMI BIOS setup utility.
To enter the setup screens, follow the steps below:
1. Turn on the computer and press the <Del> key immediately.
2. After you press the <Del> key, the main BIOS setup menu displays. You can access the other setup screens from the main BIOS setup menu, such as the Advanced and Chipset menus.
It is strongly recommended that you should avoid changing the chipset’s defaults. Both AMI and your system manufacturer have carefully set up these defaults that provide the best performance and reliability.
The BIOS setup/utility uses a key-based navigation system called hot keys. Most of the BIOS setup utility hot keys can be used at any time during the setup navigation process. These keys include <F1>, <F2>, <Enter>, <ESC>, <Arrow> keys, and so on.
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AMI BIOS Setup Utility
z USB Configuration
Legacy USB Support
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The Left and Right <Arrow> keys allow you to select a setup screen. The Up and Down <Arrow> keys allow you to select a setup screen or sub-
screen. The Plus and Minus <Arrow> keys allow you to change the field value of a
particular setup item. The <Tab> key allows you to select setup fields. The <F1> key allows you to display the General Help screen. The <F2> key allows you to Load Previous Values. The <F3> key allows you to Load Optimized Defaults. The <F4> key allows you to save any changes you have made and exit
Setup. Press the <F4> key to save your changes. The <Esc> key allows you to discard any changes you have made and exit
the Setup. Press the <Esc> key to exit the setup without saving your changes.
The <Enter> key allows you to display or change the setup option listed for a particular setup item. The <Enter> key can also allow you to display the setup sub- screens.
When you first enter the setup utility, you will enter the Main setup screen. You can always return to the Main setup screen by selecting the Main tab. System Time/Date can be set up as described below. The Main BIOS setup screen is shown below.
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AMI BIOS Setup Utility
USB transfer time-out
Device reset time-out
Device power-up delay
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Use this item to choose the system default language.
Use this option to change the system time and date. Highlight System Time or System Date using the <Arrow> keys. Enter new values through the keyboard. Press the <Tab> key or the <Arrow> keys to move between fields. The date must be entered in MM/DD/YY format. The time is entered in HH:MM:SS format.
Use this item to enable or disable the boot ROM function of the onboard LAN chip when the system boots up.
The Advanced menu also allows users to set configuration of the CPU and other system devices. You can select any of the items in the left frame of the screen to go to the sub menus:
► ACPI Settings ► CPU Configuration ► IDE Configuration ► USB Configuration ► W83627UHG Super IO Configuration ► H/W Monitor
For items marked with “ ”, please press <Enter> for more options.
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AMI BIOS Setup Utility
z W83627UHG Super IO Configuration
W83627UHG Serial Port Configuration
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You can use this screen to select options for the ACPI configuration, and change the value of the selected option. A description of the selected item appears on the right side of the screen.
Use this item to enable or disable BIOS ACPI auto configuration.
Default the Advanced Configuration and Power Interface (ACPI) state to be S3 (Suspend to RAM).
Enable or disable S3 video repost.
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AMI BIOS Setup Utility
z H/W Monitor
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This screen shows the CPU Configuration, and you can change the value of the selected option.
View memory information related to Node 0.
In the IDE Configuration menu, you can see the currently installed hardware in the SATA ports. During system boot up, the BIOS automatically detects the presence of SATA devices.
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AMI BIOS Setup Utility
4.5 Chipset Menu
f
z North Bridge Configuration
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You can use this screen to select options for the USB Configuration, and change the value of the selected option. A description of the selected item appears on the right side of the screen.
Use this item to enable or disable support for USB device on legacy operating system. The default setting is Enabled. Auto option disables legacy support if no USB devices are connected. Disable option will keep USB devices available only for EFI applications.
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AMI BIOS Setup Utility
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The time-out value for control, bulk and interrupt transfers.
USB mass storage device start unit command time-out.
Maximum time the device will take before it properly reports itself to the host controller. “Auto” uses default value: for a root port it is 100ms, for a hub port the delay is taken from hub descriptor
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AMI BIOS Setup Utility
Memory Configuration
Node 0 Information
z North Bridge LVDS Config Select
<CAPA110 only>
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The configuration of serial port 1~4 are set <Enabled> as default.
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AMI BIOS Setup Utility
<CAPA111 only>
DP0 Output Mode
DP1 Output Mode
LVDS Panel Config Select
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This screen monitors hardware health.
This screen displays the temperature of system and CPU, cooling fan speed in RPM and system voltages (VCORE, +12V, +5V and +3.3V).
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AMI BIOS Setup Utility
z South Bridge
f
SB SATA Configuration
SB USB Configuration
SB HD Azalia Configuration
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The Chipset menu allows users to change the advanced chipset settings. You can select any of the items in the left frame of the screen to go to the sub menus:
► North Bridge ► North Bridge LVDS Config Select ► South Bridge
For items marked with “ ”, please press <Enter> for more options.
This screen allows users to configure parameters of North Bridge chipset.
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AMI BIOS Setup Utility
4.6 Boot Menu
z Setup Prompt Timeout
z Bootup NumLock State
z Quiet Boot
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AMI BIOS Setup Utility
4.7 Security Menu
z Administrator Password
z User Password
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AMI BIOS Setup Utility
4.8 Save & Exit Menu
z Save Changes and Exit
z Discard Changes and Exit
z Save Changes and Reset
z Discard Changes and Reset
z Save Changes
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All of options are set Auto as default.
This item is to provide user with the information of current using DDRIII SDRAMs.
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AMI BIOS Setup Utility
z Discard Changes
z Restore Defaults
z Save as User Defaults
z Restore User Defaults
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Use this item to enable LVDS.
Use this item to choose Display Port output or disable mode (CAPA110 only).
Use this item to select configuration for LVDS panel if DP0 enable LVDS.
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Watchdog Timer
Appendix A
Watchdog Timer
About Watchdog Timer
How to Use Watchdog Timer
Begin
Enable and Initialize
Watchdog Timer
Program A
Disable Watchdog
Timer
Begin
Enable and Initialize
Watchdog Timer
Program A
Reset Watchdog
Timer
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Watchdog Timer
Sample Program
Note:
If N=00h, the time base is set to second. M = time value
00: Time-out Disable 01: Time-out occurs after 1 second 02: Time-out occurs after 2 seconds 03: Time-out occurs after 3 seconds
. .
FFh: Time-out occurs after 255 seconds
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This screen allows users to configure South Bridge chipset. For items marked with “ ”, please press <Enter> for more options.
► SB SATA Configuration ► SB USB Configuration ► SB HD Azalia Configuration
Use this item to select option for SATA configuration.
Use this item for further setting USB port configuration.
This item allows you to further control the HD audio device.
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Watchdog Timer
If N=08h, the time base is set to minute. M = time value
00: Time-out Disable 01: Time-out occurs after 1 minute 02: Time-out occurs after 2 minutes 03: Time-out occurs after 3 minutes
. .
FFh: Time-out occurs after 255 minutes
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The Boot menu allows users to change boot options of the system.
Number of seconds to wait for setup activation key. 65535(0xFFFF) means indefinite waiting.
Use this item to select the power-on state for the NumLock.
Enable or disable Quiet Boot option.
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Watchdog Timer
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The Security menu allows users to change the security settings for the system.
This item indicates whether an administrator password has been set (installed or uninstalled).
This item indicates whether an user password has been set (installed or uninstalled).
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Digital I/O
Appendix B
Digital I/O
About Digital I/O
CN5
Digital I/O Software Programming
Set functionality:
Pin Signal Pin Signal
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The Save & Exit menu allows users to load your system configuration with optimal or fail-safe default values.
When you have completed the system configuration changes, select this option to leave Setup and return to Main Menu. Select Save Changes and Exit from the Save & Exit menu and press <Enter>. Select Yes to save changes and exit.
Select this option to quit Setup without making any permanent changes to the system configuration and return to Main Menu. Select Discard Changes and Exit from the Save & Exit menu and press <Enter>. Select Yes to discard changes and exit.
When you have completed the system configuration changes, select this option to leave Setup and reboot the computer so the new system configuration parameters can take effect. Select Save Changes and Reset from the Save & Exit menu and press <Enter>. Select Yes to save changes and reset.
Select this option to quit Setup without making any permanent changes to the system configuration and reboot the computer. Select Discard Changes and Reset from the Save & Exit menu and press <Enter>. Select Yes to discard changes and reset.
When you have completed the system configuration changes, select this option to save changes. Select Save Changes from the Save & Exit menu and press <Enter>. Select Yes to save changes.
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Digital I/O
Digital Input:
Digital Output:
Note1: The N has 8 bits. Every bit’s value is either 1 or 0. " 1" means that the bit is programmed to input. " 0" means that the bit is programmed to output.
Ex:
1. N=00h=00000000b
DIO7 DIO6 DIO5 DIO4 DIO3 DIO2 DIO1 DIO0
Output Output Output Output Output Output Output Output
2. N=02h=00000010b
DIO7 DIO6 DIO5 DIO4 DIO3 DIO2 DIO1 DIO0
Output Output Output Output Output Output
Input
Output
3. N=07h=00000111b
DIO7 DIO6 DIO5 DIO4 DIO3 DIO2 DIO1 DIO0
Output Output Output Output Output
Input Input Input
4. N=F2h=11110010b
DIO7 DIO6 DIO5 DIO4 DIO3 DIO2 DIO1 DIO0 Input Input Input Input
Output Output
Input
Output
Note2: If N=07h
DIO7 DIO6 DIO5 DIO4 DIO3 DIO2 DIO1 DIO0
Output Output Output Output Output
Input Input Input
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Select this option to quit Setup without making any permanent changes to the system
configuration. Select Discard Changes from the Save & Exit menu and press <Enter>.
Select Yes to discard changes.
It automatically sets all Setup options to a complete set of default settings when you select
this option. Select Restore Defaults from the Save & Exit menu and press <Enter>.
Select this option to save system configuration changes done so far as User Defaults.
Select Save as User Defaults from the Save & Exit menu and press <Enter>.
It automatically sets all Setup options to a complete set of User Defaults when you select
this option. Select Restore User Defaults from the Save & Exit menu and press <Enter>.
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CAPA110/1 11 AMD Embedded G-Series Processor Capa Board with LVDS
Digital I/O
1. When DIO0~2 are connected to external device, the device sets DIO0~2 to high
DIO7 DIO6 DIO5 DIO4 DIO3 DIO2 DIO1 DIO0
Output Output Output Output Output
1 1 1
2. When DIO0~2 are connected to external device, the device sets DIO0 to low and DIO1~2 to high
DIO7 DIO6 DIO5 DIO4 DIO3 DIO2 DIO1 DIO0
Output Output Output Output Output
1 1
0
Note3: If N=07h
DIO7 DIO6 DIO5 DIO4 DIO3 DIO2 DIO1 DIO0
Output Output Output Output Output
Input Input Input
1. When M=FFh
DIO7 DIO6 DIO5 DIO4 DIO3 DIO2 DIO1 DIO0
1 1 1 1 1 1 1 1
2. When M=D7h
DIO7 DIO6 DIO5 DIO4 DIO3 DIO2 DIO1 DIO0
1 1 0 1 0 1 1 1
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Software stability is major issue in most application. Some embedded systems are not watched by human for 24 hours. It is usually too slow to wait for someone to reboot when computer hangs. The systems need to be able to reset automatically when things go wrong. The watchdog timer gives us solution.
The watchdog timer is a counter that triggers a system reset when it counts down to zero from a preset value. The software starts counter with an initial value and must reset it periodically. If the counter ever reaches zero which means the software has crashed, the system will reboot.
The I/O port base addresses of watchdog timer are 2E (hex) and 2F (hex). The 2E (hex) and 2F (hex) are address and data port respectively.
Assume that program A is put in a loop that must execute at least once every 10ms. Initialize watchdog timer with a value bigger than 10ms. If the software has no problems; watchdog timer will never expire because software will always restart the counter before it reaches zero.
Next
Next
Next
Next
Next
Next
Next
Next
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Assembly sample code :
;Enable WDT: mov dx,2Eh mov al,87 ;Un-lock super I/O out dx,al out dx,al
;Select Logic device: mov dx,2Eh mov al,07h out dx,al mov dx,2Fh mov al,08h out dx,al
;Activate WDT: mov dx,2Eh mov al,30h out dx,al mov dx,2Fh mov al,01h out dx,al
;Set Second or Minute : mov dx,2Eh mov al,0F5h out dx,al mov dx,2Fh
mov al,Nh ;N=00h or 08h(see below
Note
)
out dx,al ;Set base timer :
mov dx,2Eh mov al,0F6h out dx,al mov dx,2Fh mov al,Mh ;M=00h,01h,...FFh (hex),Value=0 to 255
out dx,al ;(see below
Note
)
;Disable WDT: mov dx,2Eh mov al,30h out dx,al mov dx,2Fh mov al,00h ;Can be disabled at any time out dx,al
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The onboard digital I/O has 8 bits (DIO0~7). Each bit can be set to function as input or output by software programming. In default, all pins are pulled high with +5V level (according to main power). The BIOS default settings are 3 inputs and 5 outputs where all of these pins are set to
1.
1 DI0 (Bit0) 2 DO0 (Bit 3) 3 DI1 (Bit1) 4 DO1 (Bit 4) 5 DI2 (Bit2) 6 DO2 (Bit 5) 7 GND 8 DO3 (Bit 6) 9 GND 10 DO4 (Bit 7)
Assembly sample code :
;Start set DIO program: mov dx,2Eh mov al,87h ;Un-lock super I/O out dx,al out dx,al
mov dx,2Eh mov al,07h out dx,al mov dx,2Fh mov al,08h out dx,al
mov dx,2Eh mov al,30h
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out dx,al mov dx,2Fh mov al,02h out dx,al
;Programming DIO as in/out. mov dx,2Eh mov al,0E0h out dx,al mov dx,2Fh mov al,Nh ;If N=07h, DIO is programmed as 3 inputs
out dx,al ;and 5 outputs (see below
Note1
)
;Read digital input data. mov dx,2Eh mov al,0E1h out dx,al mov dx,2Fh ;If N=07h, bit0~2 represent DIO0~2, in dx, al ;bit0~2 are DIO pin 0~2 state (1 High, 0 Low)
;(see below
Note2
)
; Set DIO digital output pins’ value. mov dx,2Eh mov al,0E1h out dx,al mov dx,2Fh mov al,M ;If N=07h, bit3~7 represent DIO3~7, out dx,al ;set output value M
;bit3~7 are DIO pin 3~7 state (1 High, 0 Low) ;if M=FFh, all DIO pins are high
;(see below
Note3
)
54
Single Board Computer
https://www.distronik.de
5
Single Board Computer
https://www.distronik.de
5
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