upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 241

• Manufacturer Part Number: upd78f0730
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

Figure 10-11 shows an example of the continuous transmission processing flow.
Remark TXB6:
ASIF6: Asynchronous serial interface transmission status register 6
TXBF6: Bit 1 of ASIF6 (transmit buffer data flag)
TXSF6: Bit 0 of ASIF6 (transmit shift register data flag)
Figure 10-11. Example of Continuous Transmission Processing Flow
Transmit buffer register 6
executed necessary
completion interrupt
executed necessary
CHAPTER 10 SERIAL INTERFACE UART6
number of times?
number of times?
Transmission
Set registers.
Write TXB6.
Write TXB6.
Read
TXBF6 = 0?
Preliminary User’s Manual U19014EJ1V0UD
Transfer
Transfer
occurs?
ASIF6
Yes
No
No
Yes
No
Yes
No
Yes
transmission processing
Completion of
Read
TXSF6 = 0?
ASIF6
Yes
Yes
No
241