Figure 13-17 shows the timing of starting continuous transmission, and Figure 13-18 shows the timing of
ending continuous transmission.
Figure 13-17. Timing of Starting Continuous Transmission
T
D6
X
INTST6
TXB6
FF
TXS6
FF
TXBF6
Note
TXSF6
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
D6:
T
D6 pin (output)
X
X
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
CHAPTER 13 SERIAL INTERFACE UART6
Start
Data (1)
Parity
Data (1)
Data (2)
Data (1)
User's Manual U16227EJ2V0UD
Stop
Start
Data (2)
Data (3)
Data (2)
Parity
Stop
Start
Data (3)
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