CHAPTER 12 SERIAL INTERFACE UART6
Preliminary User’s Manual U16846EJ1V0UD
249
Figure 12-17 shows the timing of starting continuous transmission, and Figure 12-18 shows the timing of
ending continuous transmission.
Figure 12-17. Timing of Starting Continuous Transmission
T
X
D6
Start
INTST6
Data (1)
Data (1)
Data (2)
Data (3)
Data (2)
Data (1)
Data (3)
FF
FF
Parity
Stop
Data (2)
Parity
Stop
TXB6
TXS6
TXBF6
TXSF6
Start
Start
Note
Note When ASIF6 is read, there is a period in which TXBF6 and TXSF6 = 1, 1. Therefore, judge whether
writing is enabled using only the TXBF6 bit.
Remark T
X
D6: T
X
D6 pin (output)
INTST6: Interrupt request signal
TXB6:
Transmit buffer register 6
TXS6:
Transmit shift register 6
ASIF6:
Asynchronous serial interface transmission status register 6
TXBF6: Bit 1 of ASIF6
TXSF6: Bit 0 of ASIF6
