NEC mPD78F0730 Preliminary User's Manual page 242

Figure 10-12 shows the timing of starting continuous transmission, and Figure 10-13 shows the timing of
ending continuous transmission.
T D6
X
INTST6
TXB6
TXS6
TXBF6
TXSF6
Note When ASIF6 is read, there is a period in which TXBF6 and TXSF6 = 1, 1. Therefore, judge whether
Remark T
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CHAPTER 10 SERIAL INTERFACE UART6
Figure 10-12. Timing of Starting Continuous Transmission
Start Data (1)
FF Data (1)
FF
Data (1)
Note
writing is enabled using only the TXBF6 bit.
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
Preliminary User's Manual U19014EJ1V0UD
Parity Stop Start Data (2)
Data (2)
Data (2)
Parity Stop Start
Data (3)
Data (3)