| PAGE | 0x00 | WriteByte
ReadByte | HEX |  | True | True |  |  | 
| OPERATION | 0x01 | WriteByte
ReadByte | FIELD | 0x80 | True | True |  | | Name | Description | Bits | 
|---|
 | ON_OFF | ON/OFF State | 7 |  | TOFF | Turn Off Behavior | 6 |  | VSRC | Voltage Command Source | 5:4 |  | MFRSP | Margin Fault Response | 3:2 |  | AVSUPD | Update VOUT_COMMAND with AVS | 1 | 
 | 
| ON_OFF_CONF | 0x02 | WriteByte
ReadByte | FIELD | 0x08 | True | True |  | | Name | Description | Bits | 
|---|
 | BOTH | Require OPERATION and Control Pin | 4 |  | OP | Require OPERATION | 3 |  | CONTROL | Require Control Pin | 2 |  | POL | Polarity of Control Pin | 1 |  | DELAYS | Use delays | 0 | 
 | 
| CLEAR_FAULTS | 0x03 | Send | HEX | FMT | True | False |  |  | 
| CAPABILITY | 0x19 | WriteByte
ReadByte | HEX |  | True | True |  |  | 
| VOUT_MODE | 0x20 | WriteByte
ReadByte | FIELD | 0xFF | True | True |  | | Name | Description | Bits | 
|---|
 | mode | Mode | 6:5 |  | value | Value | 4:0 | 
 | 
| VOUT_COMMAND | 0x21 | WriteWord
ReadWord | L16 |  | True | True |  |  | 
| STATUS_BYTE | 0x78 | WriteByte
ReadByte | FIELD | 0x76 | True | True |  | | Name | Description | Bits | 
|---|
 | BUSY | Unit is busy | 7 |  | OFF | Unit is off | 6 |  | OV | Vout OV fault | 5 |  | OC | Iout OC fault | 4 |  | UV | VIN UV fault or warning | 3 |  | TEMP | Temperature fault or warning | 2 |  | CML | Communication, memory, logic event | 1 |  | NONE | None of the above | 0 | 
 | 
| STATUS_WORD | 0x79 | WriteWord
ReadWord | FIELD | 0xC876 | True | True |  | | Name | Description | Bits | 
|---|
 | VOUT | Vout fault or warning | 15 |  | IOUT/POUT | Iout/Pout fault or warning | 14 |  | INPUT | Input fault or warning | 13 |  | MFR | Manfucturer specific | 12 |  | PG | Power Good negated | 11 |  | FAN | Fan fault or warning | 10 |  | OTHER | Other fault or warning | 9 |  | UNKNOWN | Unknown fault or warning | 8 |  | BUSY | Unit is busy | 7 |  | OFF | Unit is off | 6 |  | OV | Vout OV fault | 5 |  | OC | Iout OC fault | 4 |  | UV | VIN UV fault or warning | 3 |  | TEMP | Temperature fault or warning | 2 |  | CML | Communication, memory, logic event | 1 |  | NONE | None of the above | 0 | 
 | 
| MFR_ID | 0x99 | WriteBlock
ReadBlock | HEX | FMT | True | True |  |  | 
| IC_DEVICE_ID | 0xAD | WriteBlock
ReadBlock | HEX | FMT | True | True |  |  | 
| STATUS_CML | 0x7E | WriteByte
ReadByte | FIELD | 0xE4 | True | True |  | | Name | Description | Bits | 
|---|
 | COMMAND | Invalid Comamnd | 7 |  | DATA | Invalid data | 6 |  | PEC | Packet error check failed | 5 |  | MEM | Memory fault detected | 4 |  | PROC | processor fault detected | 3 |  | COM | Other communication fault | 1 |  | OTHER | Other memory or logic fault has occured | 0 | 
 | 
| READ_VOUT | 0x8B | WriteWord
ReadWord | L16 |  | True | True |  |  | 
| READ_IOUT | 0x8C | WriteWord
ReadWord | L11 |  | True | True |  |  | 
| READ_TEMPERATURE_1 | 0x8D | WriteWord
ReadWord | L11 |  | True | True |  |  | 
| PMBUS_REVISION | 0x98 | WriteByte
ReadByte | FIELD |  | True | True |  | | Name | Description | Bits | 
|---|
 | PartI | Part I revision | 7:4 |  | PartII | Part II revision | 3:0 | 
 |