STEVAL-ISQ002V1 STMicroelectronics, STEVAL-ISQ002V1 Datasheet - Page 11

• Manufacturer Part Number: STEVAL-ISQ002V1
• Description: BOARD EVAL BASED ON ST72264G1
• Manufacturer: STMicroelectronics

Specifications of STEVAL-ISQ002V1

• Main Purpose: Interface, PMBus
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: ST72F264
• Primary Attributes: The PMBus™ Interface Using the ST7 I2C Peripheral
• Secondary Attributes: Firmware in C Language
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6423

AN2511
3
3.1
PMBus commands and source code
PMBus commands
The Part II - command language document of PMBus™ Power System Management
Protocol Specification v1.0 provides the list of PMBus commands. This driver supports the
following list of commands. For each command a table is given.
Table 1.
Table 2.
Table 3.
Command name
Command code
Description
SMBus transaction type
Number of data bytes
Command name
Command code
Description
SMBus transaction type
Number of data bytes
Command name
Command code
Description
SMBus transaction type
Number of data bytes
Operation
ON_OFF_CONFIG
CLEAR_FAULTS
Doc ID 13286 Rev 2
OPERATION
01h
The OPERATION command is used to turn the
unit on and off in conjunction with the input from
the CONTROL (OUTEN) pin.
Read/ Write byte
1
ON_OFF_CONFIG
02h
The ON_OFF_CONFIG command configures the
combination of CONTROL (OUTEN) pin input
and serial bus commands needed to turn the unit
on and off.
Read/ Write byte
1
CLEAR_FAULTS
03h
CLEAR_FAULTS is used to clear any fault bits
that have been set.
Send byte
0
PMBus commands and source code
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