EVAL-ADM1275EBZ Datasheet, PDF (41/48 Pages) Analog Devices – Hot-Swap Controller and Digital Power

Data Sheet
ADM1275
READ_VOUT
Code: 0x8B, read word. Value after reset: 0x0000.
This command is supported on the ADM1275-1 and the ADM1275-3. The ADM1275-2 does not have a VOUT pin.
Table 27. Bit Descriptions for READ_VOUT Command
Bits
Bit Name
Settings Description
[15:12] Reserved
0000 Always reads as 0000.
[11:0] VOUT
Output voltage from the VOUT pin measurement, expressed in ADC codes.
READ_IOUT
Code: 0x8C, read word. Value after reset: 0x0000.
Table 28. Bit Descriptions for READ_IOUT Command
Bits
Bit Name
Settings Description
[15:12] Reserved
0000 Always reads as 0000.
[11:0] IOUT
Output current from the measurement through the sense resistor.
PMBUS_REVISION
Code: 0x98, read byte. Value after reset: 0x11.
Table 29. Bit Descriptions for PMBUS_REVISION Command
Bits
Bit Name
Settings Description
[7:4]
Part I Revision
0001 Always reads as 0001, PMBus Specification Part I, Revision 1.1.
[3:0]
Part II Revision
0001 Always reads as 0001, PMBus Specification Part II, Revision 1.1.
MFR_ID
Code: 0x99, block read. Value after reset: 0x03 + ASCII “ADI”.
Table 30. Bit Descriptions for MFR_ID Command
Byte
Byte Name
Value
0
Byte count
0x03
1
Character 1
2
Character 2
3
Character 3
0x41 or “A”
0x44 or “D”
0x49 or “I”
Description
Always reads as 0x03, the number of data bytes that the block read command
should expect to read.
Always reads as 0x41.
Always reads as 0x44.
Always reads as 0x49.
MFR_MODEL
Code: 0x9A, block read. Value after reset: 0x09 + ASCII “ADM1275-x”.
Table 31. Bit Descriptions for MFR_MODEL Command
Byte
Byte Name
Value
Description
0
Byte count
0x09
Always reads as 0x09, the number of data bytes that the block read command
should expect to read.
1
Character 1
0x41 or “A” Always reads as 0x41.
2
Character 2
0x44 or “D” Always reads as 0x44.
3
Character 3
0x4D or “M” Always reads as 0x4D.
4
Character 4
0x31 or “1” Always reads as 0x31.
5
Character 5
0x32 or “2” Always reads as 0x32.
6
Character 6
0x37 or “7” Always reads as 0x37.
7
Character 7
0x35 or “5” Always reads as 0x35.
8
Character 8
0x2D or “-” Always reads as 0x2D.
Rev. D | Page 41 of 48