Mfr_serial, Ic_device_id, Ic_device_rev – Maxim Integrated MAX15303 PMBus Command Set User Manual

Page 37

MAX15303 PMBus Command Set User’s Guide

Page 37 of 52

MFR_SERIAL

Reference:

Standard Command

Lockable:

Yes

Command Code:

0x9E

Format:

ASCII string

Data Bytes:

Units:

N/A

Transfer:

Read/Write Block

Factory Value:

String of 13 spaces (ASCII 0x20)

Description/Notes: See Section 22.2.6 of the PMBus Specification Part II.

Note that the MAX15303 implements MFR_SERIAL as a fixed-width string, not as part of a shared
memory space.

IC_DEVICE_ID

Reference:

Standard Command

Lockable:

N/A

Command Code:

0xAD

Format:

ASCII string

Data Bytes:

Units:

N/A

Transfer:

Read Block

Factory Value:

MAX15303AA00

Description/Notes: See Section 22.2.7 of the PMBus Specification Part II.

Note that the MAX15303 implements IC_DEVICE_ID as a fixed-width string, not as part of a shared
memory space.

IC_DEVICE_REV

Reference:

Standard Command

Lockable:

N/A

Command Code:

0xAE

Format:

ASCII string

Data Bytes:

Units:

N/A

Transfer:

Read Block

Factory Value:

Firmware revision (see Description)

Description/Notes: See Section 22.2.8 of the PMBus Specification Part II.

Note that the MAX15303 implements IC_DEVICE_REV as a fixed-width string, not as part of a shared
memory space.

The default value is the firmware revision number stored as an ASCII string, typically a 4-digit number.
The Maxim PowerTool™ GUI uses this information to identify the supported command set for a
particular slave device.