Datasheet

78K0/Ix2 CHAPTER 14 SERIAL INTERFACE UART6/DALI
R01UH0010EJ0500 Rev.5.00 453
Feb 28, 2012
Figure 14-18 shows an example of the continuous transmission processing flow.
Figure 14-18. Example of Continuous Transmission Processing Flow
Write TXB6.
Set registers.
Write TXB6.
Transfer
executed necessary
number of times?
Yes
Read ASIF6
TXBF6 = 0?
No
No
Yes
Transmission
completion interrupt
occurs?
Read ASIF6
TXSF6 = 0?
No
No
No
Yes
Yes
Yes
Yes
Completion of
transmission processing
Transfer
executed necessary
number of times?
Remark TXB6: UART/DALI transmit buffer register 6
ASIF6: UART transmission status register 6
TXBF6: Bit 1 of ASIF6 (transmit buffer data flag)
TXSF6: Bit 0 of ASIF6 (transmit shift register data flag)