ITA-1611 User Manual
48
Please carefully read and refer to the below examples and source codes in bold.
Please download NXP Semiconductors PAC9554 spec to start programming.
1.
Digital IO definition of ITA-1610:
2.
Configuration sequence:
ITA-1610’s GPIO is realized by a PCA9554 GPIO IC on ICH SMBUS. As a
result, configuration and access to GPIO IC should be done via accessing IO
Space of ICH SMBUS controller.
Below is the table of ICH SMBUS IO Space:
For ITA-1610, IO address of
SMB_BASE
in the above table is 0x400.
Refer to Chapter 3 for detailed code of accessing SMBUS IO.
SMBUS slave address of GPIO 00 - GPIO 07’s PCA9554 is 0x40 (8bit address):
GPIO 00 - GPIO 07: PCA9554 0x40 (IO0 - IO7)
Below table is for PCA9554:
Содержание ITA-1611 Series
Страница 1: ...User Manual ITA 1611 Series Fanless Embedded Celeron Dual Core Compact Industrial Computer...
Страница 11: ...Chapter 1 1 Overview This chapter provides general Information about the ITA 1611...
Страница 15: ...Chapter 2 2 H W Installation This chapter provides H W Instal lation about the ITA 1611...
Страница 27: ...Chapter 3 3 System Setup This chapter introduces the instal lation process of ITA 1611...
Страница 33: ...Chapter 4 4 AMI BIOS This chapter introduces how to configure AMI BIOS...
Страница 42: ...ITA 1611 User Manual 32 4 2 2 4 Hardware Monitor Figure 4 7 Current System Temperature and Voltage...
Страница 52: ...ITA 1611 User Manual 42...
Страница 53: ...Chapter 5 5 Driver Installation This chapter describes how to Install drivers...
Страница 57: ...Chapter 6 6 GPIO Programming Guide This chapter introduces GPIO pro gramming guide...
Страница 66: ...ITA 1611 User Manual 56...
Страница 67: ...Appendix A A Programming the Watchdog Timer...