ADP1055ACPZ-R7 datasheet(85/140 Pages) AD

85 / 140 page

Data Sheet

ADP1055

Rev. A | Page 85 of 140

READ_BLACKBOX_CURR

Table 123. Register 0xF2—READ_BLACKBOX_CURR

Bits

Bit Name

R/W

Description

VAR

Block read

This command returns the data for the current record N (last record saved in the black box). For

information about the contents of the black box record, see the Black Box Contents section.

READ_BLACKBOX_PREV

Table 124. Register 0xF3—READ_BLACKBOX_PREV

Bits

Bit Name

R/W

Description

VAR

Block read

This command returns the data for the previous record N − 1 (next-to-last record saved in the black

box). For information about the contents of the black box record, see the Black Box Contents section.

CMD_MASK

The CMD_MASK command allows any PMBus command to be masked in the ADP1055. If the command is masked, a read or a write to

that command results in a no acknowledge (NACK). The STORE_USER_ALL (Register 0x15) and RESTORE_USER_ALL (Register 0x16)

commands are not maskable.

Table 125. Register 0xF4—CMD_MASK

Bits

Bit Name

R/W

Description

VAR

Command

masking

Block

read/write

This command can be used to disable (mask) any of the standard PMBus commands (Command 0x01

to Command 0xFF). To use this command, the correct key code must be written.

Block count = 0x20 (32 bytes)

Mask[255:0] = Masking status bits.

[0] = Command 0x00.

…

[255] = Command 0xFF.

EXTCMD_MASK

The EXTCMD_MASK command allows any manufacturer specific command to be masked in the ADP1055. If the command is masked,

a read or a write to that command results in a no acknowledge (NACK).

Table 126. Register 0xF5—EXTCMD_MASK

Bits

Bit Name

R/W

Description

VAR

Command

masking

Block

read/write

This command can be used to disable (mask) any of the manufacturer specific PMBus commands

(Command 0xFE00 to Command 0xFEA3). To use this command, the correct key code must be written.

Block count = 0x15 (21 bytes)

Mask[167:0] = Masking status bits.

[0] = Command 0xFE00.

…

[167] = Command 0xFEA7.

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