ZHCSNX8B December 2020 – September 2023 TPS6593-Q1
PRODUCTION DATA
The SPMI Bus uses the protocol priority levels listed in Table 8-21 for each type of communication message.
| SPMI protocol priority level | Name of priority level in SPMI standard | Message types |
|---|---|---|
| Highest | A-bit arbitration | State transition messages from target device(s) to controller device |
| priority arbitration | State transition messages from controller device to target device(s) | |
| SR-bit arbitration | target device TID to controller device | |
| Lowest | secondary arbitration | Controller device request of TIDs from target device(s) |