Diodes AP33772S I2C - Page 23

AP33772S I2C USB PD Sink Controller
EVB User Guide
AP33772S EVB User Guide
Rev. 2.0
23 of 34
www.diodes.com
July 2024
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PD_MSGRLT
The PD_MSGRLT register is defined as the message processing results of PD_REQMSG and PD_CMDMSG.
The RESPONSE parameter displays the message response made by the AP33772S, based on the interaction result with the PD source. The
response values and meanings are as follows:
PD_MSGRLT
Bit
Attribute
Pwr-on
Description
-
7:4
RO
0h
Reserved
-
3
RO
0h
Reserved
RESPONSE
2:0
RO
0h
The message response
0: System busy or no response
1: Success
2: Invalid command or argument
3: Command not supported or rejected
4: Transaction failed. No GoodCRC is received after sending
Others: Reserved