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ADT7476A
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Table 79. REGISTER 0x75  INTERRUPT MASK REGISTER 2 (POWER-ON DEFAULT [7:0] = 0x00)
Bit No.
Mnemonic
R/W
Description
[0]
12 V/VC
R/W
When Pin 21 is configured as a 12 V input, 12 V/VC = 1 masks SMBALERT
 for out-of-limit
conditions on the 12 V channel. When Pin 21 is programmed as VID5, this bit masks an
SMBALERT
, if the VID5 VID code bit changes.
[1]
OVT
R/W
OVT = 1 masks SMBALERT
 for overtemperature THERM
 conditions.
[2]
FAN1
R/W
FAN1 = 1 masks SMBALERT
 for a Fan 1 fault.
[3]
FAN2
R/W
FAN2 = 1 masks SMBALERT
 for a Fan 2 fault.
[4]
FAN3
R/W
FAN3 = 1 masks SMBALERT
 for a Fan 3 fault.
[5]
F4P
R/W
If Pin 14 is configured as TACH4, F4P = 1 masks SMBALERT
 for a Fan 4 fault. If Pin 14 is
configured as THERM
, F4P = 1 masks SMBALERT
 for an exceeded THERM
 timer limit. If
Pin 14 is configured as GPIO, F4P = 1 masks SMBALERT
 when GPIO is an input and GPIO
is asserted.
[6]
D1
R/W
D1 = 1 masks SMBALERT
 for a diode open or short on a Remote 1 channel.
[7]
D2
R/W
D2 = 1 masks SMBALERT
 for a diode open or short on a Remote 2 channel.
Table 80. REGISTER 0x76  EXTENDED RESOLUTION REGISTER 1 (POWER-ON DEFAULT [7:0] = 0x00) (Note 1)
Bit No.
Mnemonic
R/W
Description
[1:0]
2.5 V
Read-only
2.5 V LSBs. Holds the 2 LSBs of the 10-bit 2.5 V measurement.
[3:2]
V
CCP
Read-only
V
CCP
 LSBs. Holds the 2 LSBs of the 10-bit V
CCP
 measurement.
[5:4]
V
CC
Read-only
V
CC
 LSBs. Holds the 2 LSBs of the 10-bit V
CC
 measurement.
[7:6]
5.0 V
Read-only
5.0 V LSBs. Holds the 2 LSBs of the 10-bit 5.0 V measurement.
1.  If this register is read, this register and the registers holding the MSB of each reading are frozen until read.
Table 81. REGISTER 0x77  EXTENDED RESOLUTION REGISTER 2 (POWER-ON DEFAULT [7:0] = 0x00) (Note 1)
Bit No.
Mnemonic
R/W
Description
[1:0]
12 V
Read-only
12 V LSBs. Holds the 2 LSBs of the 10-bit 12 V measurement.
[3:2]
TDM1
Read-only
Remote 1 temperature LSBs. Holds the 2 LSBs of the 10-bit Remote 1 temperature
measurement.
[5:4]
LTMP
Read-only
Local temperature LSBs. Holds the 2 LSBs of the 10-bit local temperature measurement.
[7:6]
TDM2
Read-only
Remote 2 temperature LSBs. Holds the 2 LSBs of the 10-bit Remote 2 temperature
measurement.
1.  If this register is read, this register and the registers holding the MSB of each reading are frozen until read.
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