Datasheet

78K0/Kx2-L CHAPTER 14 SERIAL INTERFACE UART6
R01UH0028EJ0400 Rev.4.00 474
Sep 27, 2010
Figure 14-19 shows the timing of starting continuous transmission, and Figure 14-20 shows the timing of ending
continuous transmission.
Figure 14-19. Timing of Starting Continuous Transmission
TXD6
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
XD6: TXD6 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