SLUSEJ1 December 2021 TPSM8D6C24
|Read Transaction:||Read Byte|
|Format:||Unsigned Binary (1 byte)|
This command provides a way for the host to determine the capabilities of this PMBus device. This command is read-only and has one data byte formatted as below.
|LEGEND: R/W = Read/Write; R = Read only|
|7||PEC||R||1b||1b: Packet Error Checking is supported.|
|6:5||SPEED||R||10b||10b: Maximum supported bus speed is 1 MHz.|
|4||ALERT||R||1b||1b: The device has an SMB_ALERT# pin and supports the SMBus Alert Response Protocol.|
|3||FORMAT||R||0b||0b: Numeric format is LINEAR or DIRECT.|
|2||AVSBUS||R||0b||0b: AVSBus is NOT supported.|
|1:0||Reserved||R||00b||Reserved and always set to 0.|
Attempts to write (19h) CAPABILITY to any value will be considered invalid/unsupported data and cause the TPSM8D6C24 to respond by flagging the appropriate status bits and notifying the host according to the PMBus 1.3.1 Part II specification, section 10.9.3.