ADP1053ACPZ-R7 datasheet(42/84 Pages) AD

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ADP1053

Data Sheet

Rev. A | Page 42 of 84

PMBus COMMAND SET (SUPPORTED BY THE ADP1053)

Table 12 lists the standard PMBus commands that are implemented on the ADP1053. Many of these commands are implemented in

registers, which share the same hexadecimal value as the PMBus command code.

Table 12. PMBus Command List

Command

Code

Command Name

SMBus

Transaction Type

Number of

Data Bytes

Description

0x03

CLEAR_FAULTS

Send byte

Clear all fault bits in the STATUS_WORD register.

0x10

WRITE_PROTECT

Read/write byte

Protect against accidental writes to the PMBus device; reads

allowed.

0x12

RESTORE_DEFAULT_ALL

Send byte

Download factory default settings from EEPROM (Page 0) to

registers.

0x15

STORE_USER_ALL

Send byte

Save user settings from registers to EEPROM (Page 1).

EEPROM must first be unlocked.

0x16

RESTORE_USER_ALL

Send byte

Download user settings from EEPROM (Page 1) to registers.

0x19

CAPABILITY

Read byte

Allow host system to determine capabilities of PMBus device.

0x78

STATUS_BYTE

Read byte

Return low byte of STATUS_WORD.

0x79

STATUS_WORD

Read word

Return low byte and high byte of STATUS_WORD.

0x8D

READ_TEMPERATURE_1

Read word

Return temperature reading (in degrees Celsius).

READ_TEMPERATURE_1 = Y × 2N.

0x8E

READ_TEMPERATURE_2

Read word

Return temperature reading (in degrees Celsius).

READ_TEMPERATURE_2 = Y × 2N.

0x98

PMBUS_REVISION

Read byte

Read PMBus revision that device is compliant with.

0x99

MFR_ID

Read block

Read manufacturer’s ID.

0x9A

MFR_MODEL

Read block

Read manufacturer’s device model number.

0x9B

MFR_REVISION

Read block

Read manufacturer’s device revision number.

0xB0

EEPROM_DATA_00

Read block

Variable

Block read from Page 0. EEPROM must first be unlocked.

0xB1

EEPROM_DATA_01

Read block

Variable

Block read from Page 1. EEPROM must first be unlocked.

0xB2

EEPROM_DATA_02

Read/write block

Variable

Block read/write to Page 2. EEPROM must first be unlocked

for write. Page 2 should not be written to.

0xB3

EEPROM_DATA_03

Read/write block

Variable

Block read/write to Page 3. EEPROM must first be unlocked

for write. Page 3 should not be written to.

0xB4

EEPROM_DATA_04

Read/write block

Variable

Block read/write to Page 4. EEPROM must first be unlocked

for write.

0xB5

EEPROM_DATA_05

Read/write block

Variable

Block read/write to Page 5. EEPROM must first be unlocked

for write.

0xB6

EEPROM_DATA_06

Read/write block

Variable

Block read/write to Page 6. EEPROM must first be unlocked

for write.

0xB7

EEPROM_DATA_07

Read/write block

Variable

Block read/write to Page 7. EEPROM must first be unlocked

for write.

0xB8

EEPROM_DATA_08

Read/write block

Variable

Block read/write to Page 8. EEPROM must first be unlocked

for write.

0xB9

EEPROM_DATA_09

Read/write block

Variable

Block read/write to Page 9. EEPROM must first be unlocked

for write.

0xBA

EEPROM_DATA_10

Read/write block

Variable

Block read/write to Page 10. EEPROM must first be unlocked

for write.

0xBB

EEPROM_DATA_11

Read/write block

Variable

Block read/write to Page 11. EEPROM must first be unlocked

for write.

0xBC

EEPROM_DATA_12

Read/write block

Variable

Block read/write to Page 12. EEPROM must first be unlocked

for write.

0xBD

EEPROM_DATA_13

Read/write block

Variable

Block read/write to Page 13. EEPROM must first be unlocked

for write.

0xBE

EEPROM_DATA_14

Read/write block

Variable

Block read/write to Page 14. EEPROM must first be unlocked

for write.

0xBF

EEPROM_DATA_15

Read/write block

Variable

Block read/write to Page 15. EEPROM must first be unlocked

for write.

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