參數(shù)資料
型號(hào)： NCT7491RQR2G
廠商： ON Semiconductor
文件頁數(shù)： 67/80頁
文件大小： 844K
描述： IC REMOTE THERMAL MONITOR 24QSOP
標(biāo)準(zhǔn)包裝： 2,500
系列： *
NCT7491
http://onsemi.com
67
Table 107. REGISTER 0x8B  PWM1 Source Control 2 (PowerOn Default = 0x00)
Bit
Name
R/W
Description
<0>
SMB0
R/W
Logic 1 enables SMBus Slave Device 0 to control PWM1 in automatic fan control loop
<1>
SMB1
R/W
Logic 1 enables SMBus Slave Device 1 to control PWM1 in automatic fan control loop
<2>
SMB2
R/W
Logic 1 enables SMBus Slave Device 2 to control PWM1 in automatic fan control loop
<3>
SMB3
R/W
Logic 1 enables SMBus Slave Device 3 to control PWM1 in automatic fan control loop
<4>
SMB4
R/W
Logic 1 enables SMBus Slave Device 4 to control PWM1 in automatic fan control loop
<5>
SMB5
R/W
Logic 1 enables SMBus Slave Device 5 to control PWM1 in automatic fan control loop
<6>
SMB6
R/W
Logic 1 enables SMBus Slave Device 6 to control PWM1 in automatic fan control loop
<7>
SMB7
R/W
Logic 1 enables SMBus Slave Device 7 to control PWM1 in automatic fan control loop
Table 108. REGISTER 0x8C  PWM1 Source Control 3 (PowerOn Default = 0x00)
Bit
Name
R/W
Description
<0>
PUSH0
R/W
Logic 1 enables Externally written temperature 0 to control PWM1 in automatic fan control loop
<1>
PUSH1
R/W
Logic 1 enables Externally written temperature 1 to control PWM1 in automatic fan control loop
<2>
PUSH2
R/W
Logic 1 enables Externally written temperature 2 to control PWM1 in automatic fan control loop
<3>
PUSH3
R/W
Logic 1 enables Externally written temperature 3 to control PWM1 in automatic fan control loop
<4>
Reserved
<5>
Reserved
<6>
Reserved
<7>
Reserved
Table 109. REGISTER 0x8D  PWM2 Source Control 1 (PowerOn Default = 0x00)
Bit
Name
R/W
Description
<0>
LOC
R/W
Logic 1 enables Local temperature to control PWM2 in automatic fan control loop
<1>
REM1
R/W
Logic 1 enables Remote1 temperature to control PWM2 in automatic fan control loop
<2>
REM2
R/W
Logic 1 enables Remote2 temperature to control PWM2 in automatic fan control loop
<3>
PEC0
R/W
Logic 1 enables PECI0 temperature to control PWM2 in automatic fan control loop
<4>
PEC1
R/W
Logic 1 enables PECI1 temperature to control PWM2 in automatic fan control loop
<5>
PEC2
R/W
Logic 1 enables PECI2 temperature to control PWM2 in automatic fan control loop
<6>
PEC3
R/W
Logic 1 enables PECI3 temperature to control PWM2 in automatic fan control loop
<7>
Reserved
Table 110. REGISTER 0x8E  PWM2 Source Control 2 (PowerOn Default = 0x00)
Bit
Name
R/W
Description
<0>
SMB0
R/W
Logic 1 enables SMBus Slave Device 0 to control PWM2 in automatic fan control loop
<1>
SMB1
R/W
Logic 1 enables SMBus Slave Device 1 to control PWM2 in automatic fan control loop
<2>
SMB2
R/W
Logic 1 enables SMBus Slave Device 2 to control PWM2 in automatic fan control loop
<3>
SMB3
R/W
Logic 1 enables SMBus Slave Device 3 to control PWM2 in automatic fan control loop
<4>
SMB4
R/W
Logic 1 enables SMBus Slave Device 4 to control PWM2 in automatic fan control loop
<5>
SMB5
R/W
Logic 1 enables SMBus Slave Device 5 to control PWM2 in automatic fan control loop
<6>
SMB6
R/W
Logic 1 enables SMBus Slave Device 6 to control PWM2 in automatic fan control loop
<7>
SMB7
R/W
Logic 1 enables SMBus Slave Device 7 to control PWM2 in automatic fan control loop
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