Intel C2550 FH8065401488912 数据表
产品代码
FH8065401488912
Intel
®
Atom™ Processor C2000 Product Family for Microserver
September 2014
Datasheet, Vol. 2 of 3
Order Number: 330061-002US
409
Volume 2—SMBus 2.0 Unit 2 - PECI—C2000 Product Family
PECI Proxy Commands
Table 17-23. WrEndPointConfig() PECI Proxy Block Read
SMBus
Function
Value
Data
Source
Comment
Slave
Address
(Command
Phase)
Write Address
SMBus
Command
0x4B
BMC
SMBus Read
Command
Code
SMBus Read
Code
0x40
Slave
Address
(Data Phase)
Read Address
0x4B
Byte Count
N
Control Data
{0x03}
SoC
N = 0x01 for Busy state
• Byte 1 = 0x01
N = 0x02 for Transaction
Errors
• Byte 1 = 0x02
• Byte 2 =Error Code
• Byte 2 =Error Code
.
N = {0x03} indicates
successful PECI Transaction
• Byte 1 = 0x00
• Byte 2 = 0x00
• Byte3 = PECI Completion
• Byte 2 = 0x00
• Byte3 = PECI Completion
Code
Byte 1
Status Byte
CMD_STAT
See Byte[1] defined in
Byte 2
Error Byte
ERR_CODE
See Byte[2] defined in
Byte 3
PECI Transaction
Status
PECI
Response
Data
PECI
Completion
Code
Completion Code decode:
• 0x40 = Command
successful
• 0x80 = Response time-
out
• 0x90 = Illegal command