ZHCSTD7A December 2021 – November 2023 BQ79631-Q1
PRODUCTION DATA
In the noncommunicable conditions such as in SHUTDOWN or SLEEP mode, or in the loss of communication situations when host would like to instruct for a reset or power down as a communication recovery attempt, a Ping or Tone is used as a form of communication to the device for a specific action.
Ping/Tone Detection | Detected Pin(s) | SHUTDOWN | SLEEP | ACTIVE |
---|---|---|---|---|
SHUTDOWN ping | RX | √ | √ | |
SLEEPtoACTIVE ping | RX | √ | √ | |
WAKE ping | RX | √ | √ | √ |
HW_RESET ping | RX | √ | √ | |
SHUTDOWN tone | COMH/L | √ | √ | |
SLEEPtoACTIVE tone | COMH/L | √ | √ | |
WAKE tone | COMH/L | √ | √ | √ |
HW_RESET tone | COMH/L | √ | √ | |
Fault tone | COMH/L | √ | Only fault tone detection is available | |
HEARTBEAT | COMH/L | √ |