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Appendix A – Watchdog Timer Programming
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A.1 Watchdog Timer Registers
Table 1 : Watch dog relative IO address
Default Value
Note
I/O Base
Address
0xA00
I/O Base address for Watchdog operation.
This address is assigned by SIO LDN7, register
0x60-0x61.
Table 2 : Watchdog relative register table
Register
Offset
BitNum
Value
Note
Watchdog
WDTRST#
Enable
0x00
7
1
Enable/Disable
time out output via
WDTRST#
0: Disable
1: Enable
Pulse Width
0x05
0:1
01
Width of Pulse signal
00: 1ms (do not use)
01: 25ms
10: 125ms
11: 5s
Pulse width is must longer
then 16ms.
Signal Polarity
0x05
2
0
0: low active
1: high active
Must set this bit to 0
Counting Unit
0x05
3
0
Select time unit.
0: second
1: minute
Output Signal
Type
0x05
4
1
0: Level
1: Pulse
Must set this bit to 1
Watchdog
Timer Enable
0x05
5
1
0: Disable
1: Enable
Timeout Status
0x05
6
1
1: timeout occurred. Write a
1 to clear timeout status
Timer Counter
0x06
Time of watchdog timer
(0~255)
Summary of Contents for PICO-BT01
Page 1: ...Last Updated January 18 2018 PICO BT01 Pico ITX Board User s Manual 6th Ed...
Page 14: ...Pico ITX Board PICO BT01 Chapter 1 Chapter 1 Product Specifications...
Page 17: ...Pico ITX Board PICO BT01 Chapter 2 Chapter 2 Hardware Information...
Page 19: ...Chapter 2 Hardware Information 6 Pico ITX Board PICO BT01 Solder Side Solder Side...
Page 20: ...Chapter 2 Hardware Information 7 Pico ITX Board PICO BT01 Heat Spreader...
Page 21: ...Chapter 2 Hardware Information 8 Pico ITX Board PICO BT01 A A A A B B B B B B...
Page 22: ...Chapter 2 Hardware Information 9 Pico ITX Board PICO BT01...
Page 24: ...Chapter 2 Hardware Information 11 Pico ITX Board PICO BT01 Solder Side Solder Side...
Page 49: ...Pico ITX Board PICO BT01 Chapter 3 Chapter 3 AMI BIOS Setup...
Page 53: ...Chapter 3 AMI BIOS Setup 40 Pico ITX Board PICO BT01 3 4 Setup Submenu Advanced...
Page 60: ...Chapter 3 AMI BIOS Setup 47 Pico ITX Board PICO BT01 3 4 3 Advanced Hardware Monitor...
Page 68: ...Chapter 3 AMI BIOS Setup 55 Pico ITX Board PICO BT01 3 5 Setup submenu Chipset...
Page 73: ...Chapter 3 AMI BIOS Setup 60 Pico ITX Board PICO BT01 3 5 2 2 South Bridge USB Configuration...
Page 78: ...Chapter 3 AMI BIOS Setup 65 Pico ITX Board PICO BT01 3 8 Setup submenu Save Exit...
Page 79: ...Pico ITX Board PICO BT01 Chapter 4 Chapter 4 Drivers Installation...
Page 82: ...Pico ITX Board PICO BT01 Appendix A Appendix A Watchdog Timer Programming...
Page 87: ...Pico ITX Board PICO BT01 Appendix B Appendix B I O Information...
Page 88: ...Appendix B I O Information 75 Pico ITX Board PICO BT01 B 1 I O Address Map...
Page 89: ...Appendix B I O Information 76 Pico ITX Board PICO BT01 B 2 Memory Address Map...
Page 90: ...Appendix B I O Information 77 Pico ITX Board PICO BT01 B 3 IRQ Mapping Chart...
Page 91: ...Appendix B I O Information 78 Pico ITX Board PICO BT01...
Page 92: ...Appendix B I O Information 79 Pico ITX Board PICO BT01...
Page 93: ...Appendix B I O Information 80 Pico ITX Board PICO BT01...
Page 94: ...Appendix B I O Information 81 Pico ITX Board PICO BT01...
Page 95: ...Appendix B I O Information 82 Pico ITX Board PICO BT01...
Page 96: ...Appendix B I O Information 83 Pico ITX Board PICO BT01...
Page 97: ...Appendix B I O Information 84 Pico ITX Board PICO BT01...
Page 98: ...Appendix B I O Information 85 Pico ITX Board PICO BT01...
Page 99: ...Appendix B I O Information 86 Pico ITX Board PICO BT01...
Page 100: ...Appendix B I O Information 87 Pico ITX Board PICO BT01...
Page 101: ...Appendix B I O Information 88 Pico ITX Board PICO BT01...
Page 102: ...Pico ITX Board PICO BT01 Appendix C Appendix C Electrical Specifications for I O Ports...
Page 104: ...Pico ITX Board PICO BT01 Appendix D Appendix D Mating Connectors...