參數(shù)資料
型號： NCT7491RQR2G
廠商： ON Semiconductor
文件頁數(shù)： 71/80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
71
Table 122. REGISTER 0xB3  SMBus Master Configuration 4 (PowerOn Default = 0x00)
Bit
Name
R/W
Description
<1:0>
TMFT4
R/W
SMBus Device 4 temperature format:
00 = 8bit 2s Complement
01 = JEDEC SPD format
10 = 8bit straight binary
11 = Reserved
<3:2>
TMFT5
R/W
SMBus Device 5 temperature format:
00 = 8bit 2s Complement
01 = JEDEC SPD format
10 = 8bit straight binary
11 = Literal Format
<5:4>
TMFT6
R/W
SMBus Device 6 temperature format:
00 = 8bit 2s Complement
01 = JEDEC SPD format
10 = 8bit straight binary
11 = Literal Format
<7:6>
TMFT7
R/W
SMBus Device 7 temperature format:
00 = 8bit 2s Complement
01 = JEDEC SPD format
10 = 8bit straight binary
11 = Literal Format
Table 123. REGISTER 0xB5  SMBus Master Configuration 5 (PowerOn Default = 0x08)
Bit
Name
R/W
Description
<0>
SMBEN
R/W
0 = SMBus Master disabled
1 = SMBus Master enabled
<4:1>
SHYS
R/W
SMBus Device temperature hysteresis
<5>
R1DIMM
R/W
1 = Overwrite DIMM0/DIMM1 value registers with Remote1 value
<6>
R2DIMM
R/W
1 = Overwrite DIMM2/DIMM3 value registers with Remote2 value
<7>
PCHDIMM
R/W
1 = Read DIMM temperatures from PCH. This setting overrides bits 5 and 6 of this register.
0 = Read DIMM temperatures from SMBus digital sensors
Table 124. REGISTER 0xB6  SMBus Master Status 1 (PowerOn Default = 0x00)
Bit
Name
R/W
Description
<0>
NACK0
Read
Logic 1 indicates a No Acknowledge from SMBus Device 0
<1>
NACK1
Read
Logic 1 indicates a No Acknowledge from SMBus Device 1
<2>
NACK2
Read
Logic 1 indicates a No Acknowledge from SMBus Device 2
<3>
NACK3
Read
Logic 1 indicates a No Acknowledge from SMBus Device 3
<4>
NACK4
Read
Logic 1 indicates a No Acknowledge from SMBus Device 4
<5>
NACK5
Read
Logic 1 indicates a No Acknowledge from SMBus Device 5
<6>
NACK6
Read
Logic 1 indicates a No Acknowledge from SMBus Device 6
<7>
NACK7
Read
Logic 1 indicates a No Acknowledge from SMBus Device 7
Table 125. REGISTER 0xB7  SMBus Master Status 2 (PowerOn Default = 0x00)
Bit
Name
R/W
Description
<0>
PEC0
Read
Logic 1 indicates an SMBus Device 0 PEC error
<1>
PEC1
Read
Logic 1 indicates an SMBus Device 1 PEC error
<2>
PEC2
Read
Logic 1 indicates an SMBus Device 2 PEC error
<3>
PEC3
Read
Logic 1 indicates an SMBus Device 3 PEC error
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