ADM1275
Data Sheet
Byte
9
Byte Name
Character 9
Value
0x31 or “1”
0x32 or “2”
0x33 or “3”
Description
Always reads as 0x31 on the ADM1275 -1.
Always reads as 0x32 on the ADM1275 -2.
Always reads as 0x33 on the ADM1275 -3.
MFR_REVISION
Code: 0x9B, block read. Value after reset: 0x01 + ASCII “1”.
Table 32. Bit Descriptions for MFR_REVISION Command
Byte
0
Byte Name
Byte count
Value
0x01
Description
Always reads as 0x01, the number of data bytes that the block read command
should expect to read.
1
Character 1
0x31 or “1”
Always reads as 0x31, Revision 1 of the ADM1275 .
PEAK_IOUT
Code: 0xD0, read/write word. Value after reset: 0x0000 (writing 0x0000 clears the peak value).
Table 33. Bit Descriptions for PEAK_IOUT Command
Bits
[15:12]
[11:0]
Bit Name
Reserved
PEAK_IOUT
Settings
0000
Description
Always reads as 0000.
Returns the peak IOUT current since the register was last cleared.
PEAK_VIN
Code: 0xD1, read/write word. Value after reset: 0x0000 (writing 0x0000 clears the peak value).
Table 34. Bit Descriptions for PEAK_VIN Command
Bits
[15:12]
[11:0]
Bit Name
Reserved
PEAK_VIN
Settings
0000
Description
Always reads as 0000.
Returns the peak VIN voltage since the register was last cleared.
PEAK_VOUT
Code: 0xD2, read/write word. Value after reset: 0x0000 (writing 0x0000 clears the peak value).
This command is supported on the ADM1275 -1 and the ADM1275 -3. The ADM1275 -2 does not have a VOUT pin.
Table 35. Bit Descriptions for PEAK_VOUT Command
Bits
[15:12]
[11:0]
Bit Name
Reserved
PEAK_VOUT
Settings
0000
Description
Always reads as 0000.
Returns the peak VOUT voltage since the register was last cleared.
PMON_CONTROL
Code: 0xD3, read/write byte. Value after reset: 0x00.
Table 36. Bit Descriptions for PMON_CONTROL Command
Bits
[7:1]
0
Bit Name
Reserved
CONVERT
Settings
0000000
0
1
Description
Always reads as 0000000.
Default. Power monitor is not running.
Start the sampling of current and voltage with the power monitor. In single-shot mode,
this bit clears itself after one complete cycle. In continuous mode, this bit must be
written to 0 to stop sampling.
Rev. D | Page 42 of 48
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