ADP1050ACPZ-R7 datasheet(53/93 Pages) AD

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ADP1050

Data Sheet

CLEAR_FAULTS

The CLEAR_FAULTS command is a send byte, no data. This command clears all PMBus fault bits in all PMBus status registers

simultaneously.

Table 15. Register 0x03—CLEAR_FAULTS

Bits

Bit Name/Function

Type

Description

N/A

CLEAR_FAULTS

Send

Clears all bits in PMBus status registers (Register 0x78 to Register 0x7E) simultaneously.

WRITE_PROTECT

The WRITE_PROTECT command is used to control writing to the PMBus device. This command provides protection against accidental

changes. This command is not intended to provide protection against deliberate or malicious changes to the configuration or operation of

the device.

Table 16. Register 0x10—WRITE_PROTECT

Bits

Bit Name/Function

R/W

Description

Write Protect 1

R/W

Disables writes to all commands except the WRITE_PROTECT command.

Write Protect 2

R/W

Disables writes to all commands except the WRITE_PROTECT and OPERATION commands.

Write Protect 3

R/W

Disables writes to all commands except the WRITE_PROTECT, OPERATION, ON_OFF_CONFIG, and

VOUT_COMMAND commands.

[4:0]

Reserved

Reserved.

RESTORE_DEFAULT_ALL

The RESTORE_DEFAULT_ALL command is a send byte, no data. This command downloads the factory default settings (including the

basic PMBus commands, the manufacturer specific extended commands (starting with 0xFE), and other data such as the checksum, the

EEPROM password, and the chip password) from the EEPROM (Page 0 of the main block) into the registers.

Table 17. Register 0x12—RESTORE_DEFAULT_ALL

Bits

Bit Name/Function

Type

Description

N/A

RESTORE_DEFAULT_ALL

Send

Restores the factory default settings from the EEPROM to the registers.

STORE_USER_ALL

The STORE_USER_ALL command is a send byte, no data. This command copies the entire contents of the registers into the EEPROM

(Page 1 of the main block) as the user settings. The settings are automatically restored on power-up of VDD.

Table 18. Register 0x15—STORE_USER_ALL

Bits

Bit Name/Function

Type

Description

N/A

STORE_USER_ALL

Send

Saves the user settings from the registers to the EEPROM.

RESTORE_USER_ALL

The RESTORE_USER_ALL command is a send byte, no data. This command downloads the stored user settings including the basic

PMBus commands, the manufacturer specific extended commands (starting with 0xFE), and other data (for example, the checksum, the

EEPROM password, and the chip password) from the EEPROM (Page 1 of the main block) into the registers.

Table 19. Register 0x16—RESTORE_USER_ALL

Bits

Bit Name/Function

Type

Description

N/A

RESTORE_USER_ALL

Send

Restores the user settings from the EEPROM to the registers.

Rev. A | Page 52 of 92

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