beautypg.com

Unit status commands, Status_byte, Status_word – Maxim Integrated MAX15303 PMBus Command Set User Manual

Page 27: Status_vout, Status_iout

background image

MAX15303 PMBus Command Set User’s Guide

Page 27 of 52

Unit Status Commands

STATUS_BYTE

Reference:

Standard Command

Lockable:

N/A

Command Code:

0x78

Format:

Bit field

Data Bytes:

1

Units:

N/A

Transfer:

Read Byte

Factory Value:

N/A

Description/Notes: See Section 17.1 of the PMBus Specification Part II.

STATUS_WORD

Reference:

Standard Command

Lockable:

N/A

Command Code:

0x79

Format:

Bit field

Data Bytes:

2

Units:

N/A

Transfer:

Read Word

Factory Value:

N/A

Description/Notes: See Section 17.2 of the PMBus Specification Part II.

Bit #2 of the STATUS_WORD low byte is not implemented in the MAX15303 because there are no
relevant fan-related commands.

STATUS_VOUT

Reference:

Standard Command

Lockable:

N/A

Command Code:

0x7A

Format:

Bit field

Data Bytes:

1

Units:

N/A

Transfer:

Read Byte

Factory Value:

N/A

Description/Notes: See Section 17.3 of the PMBus Specification Part II.

Bits #5 and #6 of STATUS_VOUT are not implemented in the MAX15303 because the
VOUT_UV_WARNING and VOUT_OV_WARNING commands are not supported.

Bit #1 is not implemented in the MAX15303 because the TOFF_MAX_WARNING is not supported.

STATUS_IOUT

Reference:

Standard Command

Lockable:

N/A

Command Code:

0x7B

Format:

Bit field

Data Bytes:

1

Units:

N/A

Transfer:

Read Byte

Factory Value:

N/A

Description/Notes: See Section 17.4 of the PMBus Specification Part II.

Bits #6, #4, #2, #1, and #0 are not implemented in the MAX15303 because the corresponding fault
commands are not supported.