EVAL-ADM1275EBZ Datasheet, PDF (36/48 Pages) Analog Devices – Hot-Swap Controller and Digital Power

ADM1275
Data Sheet
PMBus COMMAND REFERENCE
Register addresses are in hexadecimal format.
Table 11. PMBus Command Summary
Command Code
Command Name
0x01
OPERATION
0x03
CLEAR_FAULTS
0x19
CAPABILITY
0x42
VOUT_OV_WARN_LIMIT
0x43
VOUT_UV_WARN_LIMIT
0x4A
IOUT_OC_WARN_LIMIT
0x57
VIN_OV_WARN_LIMIT
0x58
VIN_UV_WARN_LIMIT
0x78
STATUS_BYTE
0x79
STATUS_WORD
0x7A
STATUS_VOUT
0x7B
STATUS_IOUT
0x7C
STATUS_INPUT
0x80
STATUS_MFR_SPECIFIC
0x88
READ_VIN
0x8B
READ_VOUT
0x8C
READ_IOUT
0x98
PMBUS_REVISION
0x99
MFR_ID
0x9A
MFR_MODEL
0x9B
0xD0
0xD1
0xD2
0xD3
0xD4
0xD5
0xD6
0xD7
0xD8
0xD9
MFR_REVISION
PEAK_IOUT
PEAK_VIN
PEAK_VOUT
PMON_CONTROL
PMON_CONFIG
ALERT1_CONFIG
ALERT2_CONFIG
IOUT_WARN2_LIMIT
DEVICE_CONFIG
POWER_CYCLE
SMBus Transaction Type
Read/write byte
Send byte
Read byte
Read/write word
Read/write word
Read/write word
Read/write word
Read/write word
Read byte
Read word
Read byte
Read byte
Read byte
Read byte
Read word
Read word
Read word
Read byte
Block read
Block read
Number of Data Bytes
1
0
1
2
2
2
2
2
1
2
1
1
1
1
2
2
2
1
1 (byte count) + 3 (data)
1 (byte count) + 9 (data)
Block read
Read/write word
Read/write word
Read/write word
Read/write byte
Read/write byte
Read/write word
Read/write word
Read/write word
Read/write byte
Send byte
1 (byte count) + 1 (data)
2
2
2
1
1
2
2
2
1
0
Default Value at Reset
0x80
Not applicable
0xB0
0x0FFF
0x0000
0x0FFF
0x0FFF
0x0000
0x00
0x0000
0x00
0x00
0x00
0x00
0x0000
0x0000
0x0000
0x11
0x03 + ASCII “ADI”
0x09 + ASCII “ADM1275-
x”¹
0x01 + ASCII “1”
0x0000
0x0000
0x0000
0x00
0x2C
0x0000
0x8000
0x0000
0x00
Not applicable
1 _{The character “x” in the string is 1, 2, or 3, depending on the model of the ADM1275 that is being queried (ADM1275-1, ADM1275-2, or ADM1275-3).}
Rev. D | Page 36 of 48