STEVAL-ISQ002V1 STMicroelectronics, STEVAL-ISQ002V1 Datasheet - Page 7

• 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
1.2.2
the slave to alert the master whenever it wants to communicate. The control pin is used to
switch ON or OFF a PMBus slave.
Figure 1.
The CONTROL signal is an input signal on a power converter. It is used to turn the unit on
and off in conjunction with commands received via the serial bus. It can be configured as an
active high or active low signal through the ON_OFF_CONFIG command (refer to
Section
This signal is optional but recommended.
Timing
No specific requirements are made when a PMBus device must respond to a state change
of a hardwired signal.
3.1).
Interface diagram
(ST72F264G1)
CONTROL (PC0)
PMBus Master
SMBC (SCL)
SMBD (SDA)
SMBA (PA3)
Doc ID 13286 Rev 2
SMBA
SMBC
SMBD
CONTROL
PMBus Slave
PMBus introduction
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