MPBT=0
Transmit FIFO Data Register H
| TDATH | Serial transmit data (b8) (Valid only in asynchronous mode(including multi-processor) or clock synchronous mode, and FIFO selected) |
| MPBT | Multi-processor transfer bit flag (Valid only in asynchronous mode and SMR.MP=1 and FIFO selected) 0 (0): Data transmission cycles 1 (1): ID transmission cycles |
| Reserved | The write value should be 111111. |