Maps and Registers
ATCA-7475 Installation and Use (6806800S38D
)
172
6.4.12.2 PCA9555 Internal Register Access
For debug purpose, the internal virtual PCA9555 registers can be read by the IPMC and the
Service Processor.
Table 6-37 Address Control for PCA9555 Internal Register
Address Offset:
CPU0 Device1 (Slave address 0x20): 0x34
CPU0 Device2 (Slave address 0x21): 0x36
CPU1 Device1 (Slave address 0x20): 0x3C
CPU1 Device1 (Slave address 0x21): 0x3E
Bit
Description
Default
Acces
s
2:0
Internal PCA9555 register address
0
r/w
7:3
Reserved
0
r
Table 6-38 Content of PCA9555 Internal Register
Address Offset:
CPU0 Device1 (Slave address 0x20): 0x35
CPU0 Device2 (Slave address 0x21): 0x37
CPU1 Device1 (Slave address 0x20): 0x3D
CPU1 Device1 (Slave address 0x21): 0x3F
Bit
Description
Default
Access
7:0
Content of PCA9555 register
0
r
Содержание ATCA-7475
Страница 1: ...ATCA 7475 Installation and Use P N 6806800S38D May 2014 ...
Страница 24: ...ATCA 7475 Installation and Use 6806800S38D About this Manual 24 About this Manual ...
Страница 34: ...ATCA 7475 Installation and Use 6806800S38D Sicherheitshinweise 34 ...
Страница 42: ...Introduction ATCA 7475 Installation and Use 6806800S38D 42 ...
Страница 64: ...Hardware Preparation and Installation ATCA 7475 Installation and Use 6806800S38D 64 ...
Страница 80: ...Controls Indicators and Connectors ATCA 7475 Installation and Use 6806800S38D 80 ...
Страница 138: ...Functional Description ATCA 7475 Installation and Use 6806800S38D 138 ...
Страница 250: ...Supported IPMI Commands ATCA 7475 Installation and Use 6806800S38D 250 ...
Страница 268: ...FRU Information and Sensor Data Records ATCA 7475 Installation and Use 6806800S38D 268 ...
Страница 276: ...Replacing the Battery ATCA 7475 Installation and Use 6806800S38D 276 Figure A 1 Location of On board Battery ...
Страница 281: ......