ADM1075
Data Sheet
Bits
7
Bit Name
VIN_UV_WARN_EN2
Settings
Description
Reset
0x0
Access
RW
0
1
Default. Disables generation of SMBAlert when the
VIN_UV_WARN bit is set.
Generates SMBAlert when the VIN_UV_WARN bit is set.
6
VAUX_OV_WARN_EN2
0
Default. Disables generation of SMBAlert when the
0x0
RW
VAUX_OV_WARN bit is set.
1
Generates SMBAlert when the VAUX_OV_WARN bit is set.
5
VAUX_UV_WARN_EN2
0
Default. Disables generation of SMBAlert when the
0x0
RW
VAUX_UV_WARN bit is set.
1
Generates SMBAlert when the VAUX_UV_WARN bit is set.
4
HS_INLIM_EN2
0
Default. Disables generation of SMBAlert when the
0x0
RW
HS_INLIM_FAULT bit is set.
1
Generates SMBAlert when the HS_INLIM_FAULT bit is set.
3
PIN_OP_WARN_EN2
0
Default. Disables generation of SMBAlert when the
0x0
RW
PIN_OP_WARN bit is set.
1
Generates SMBAlert when the PIN_OP_WARN bit is set.
[2:1]
GPO2_MODE
00
01
GPO2 is configured to generate SMBAlerts.
GPO2 can be used a general-purpose digital output pin. The
0x2
RW
GPO2_INVERT bit is used to change the output state.
10
11
Default. GPO2 is configured as a retry fail output.
This is digital comparator mode. The output pin now reflects the
live status of the warning or fault bit selected for the output. In
effect, this is a nonlatched SMBAlert.
0
GPO2_INVERT
0
1
Default. In GPO mode, the GPO2 pin is active low.
In GPO mode, the GPO2 pin is active high.
0x0
RW
IOUT WARN2 LIMIT REGISTER
Address: 0xD7, Reset: 0x0000, Name: IOUT_WARN2_LIMIT
Table 35. Bit Descriptions for IOUT_WARN2_LIMIT
Bits
[15:12]
[11:0]
Bit Name
RESERVED
IOUT_WARN2_LIMIT
Settings
Description
Always reads as 0000.
Threshold for the IOUT measurement through the sense resistor,
Reset
0x0
0x0
Access
R
RW
expressed in ADC codes. This value can be either an undercurrent
or overcurrent, depending on the state of the
IOUT_WARN2_OC_SELECT bit set using the DEVICE_CONFIG
command.
DEVICE CONFIGURATION REGISTER
Address: 0xD8, Reset: 0x00, Name: DEVICE_CONFIG
Table 36. Bit Descriptions for DEVICE_CONFIG
Bits
[7:6]
5
Bit Name
RESERVED
OPERATION_CMD_ENABLE
Settings
Description
Always reads as 00.
Enable operation command.
Reset
0x00
0x0
Access
R
RW
0
1
The OPERATION command is disabled, and the ADM1075 issues a
NACK if the command is received. This setting provides some
protection against a card accidentally turning itself off
The OPERATION command is enabled, and the ADM1075
responds to it.
Rev. C | Page 48 of 52
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