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参数资料
| 型号： | ATTM02MG |
| 厂商： | AME, Inc. |
| 英文描述： | Processor Thermal Monitor |
| 中文描述： | 处理器热监视器 |
| 文件页数： | 7/18页 |
| 文件大小： | 156K |
| 代理商： | ATTM02MG |
AME, Inc.
7
ATTM01/ATTM02
Processor Thermal Monitor
Rev. B.01
8. SMBus Protocol
In this chip it supports the write byte and read byte mode protocol. The following is SMBus read/write data format.
Write Byte Format:
START
Slave
Address
WR
ACK
COMMAND
ACK
DATA
ACK
STOP
1 bit
7 bits
1 bit
1 bit
8 bits
1 bit
8 bits
1 bit
1 bit
The COMMAND Byte is selects that register you are writing to. The DATA Byte is data goes into the register set by
the command byte (to set thresholds, configuration, and update rate).
Read Byte Format:
S
Address
WR
ACK
COMMAND
ACK
S
Address1
RD
ACK
DATA
NAK
STOP
1 bit
7 bits
1 bit
1 bit
8 bits
1 bit
1 bit
8 bits
1 bit
1 bit
8 bits
1 bit
1 bit
The S denotes Start Bit. Address represents slave address. The COMMAND Byte is selects that register you are
reading from. The Address1 is due to change in data flow direction. The DATA Byte is reads from the register set by the
command byte. The in above table the red color denotes Slaver transmission.
SMBus Write Timing Diagram:
A
B
C
D
E
F
G
H
I
J
K
L
M
SMBCLK
SMBDATA
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