Maps and Registers
ATCA-7475 Installation and Use (6806800S38D)
183
6.4.26 Telecom Clock Control and Supervision Registers
6.4.26.1 Telecom Clock Device Control/Status Registers
The on board telecom clock device ACS8225B is initialized via its SPI interface. The telecom
clock device state machine programs the device to deliver 25 MHz in its output lines.
The Service Processor can use the SPI access register to reprogram the device.
7
-
Reserved
0
r
Table 6-53 Misc (Ethernet Link and CPU Error) Status Register (continued)
Address Offset: 0x57
Bit
Signal
Description
Default
Access
Table 6-54 ACS8225B SPI Access Register
Address Offset: 0x5C
Bit
Description
Default
Access
6:0
ACS8825B SPI Address (max 128 bytes)
CPU_PWROK: 0
LPC: r/w
7
SPI Command
0: Write ACS8525B Register:
Triggers 16 SPI clocks and shifts the address and
data out to MOSI.
1: Read ACS8525B Register:
Triggers 16 SPI clocks and shifts the address out to
MOSI. The Data on MISO is shifted in.
CPU_PWROK: 0
LPC: r/w
Table 6-55 ACS8225B SPI Status Register
Address Offset: 0x5D
Bit
Description
Default
Access
6:0
ACS8825B SPI Address (max 128 bytes)
CPU_PWROK: 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 ...
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