NEC PD703114 User Manual page 455

Figure 10-18. Asynchronous Serial Interface Transmission Completion Interrupt Timing
TXD1 (output)
INTST1 interrupt
Flag in transmission
(SOT1)
TXD1 (output)
INTST1 interrupt
Flag in transmission
(SOT1)
TXD1 (output) Start
INTST1 interrupt
Flag in
transmission
(SOT1)
CHAPTER 10 SERIAL INTERFACE FUNCTION
(a) When stop bit length = 1 bit
Start D0 D1 D2
(b) When stop bit length = 2 bits
Start D0 D1 D2
(c) In 2-frame continuous transmission mode
D0 D1 Parity Stop
1st frame
User's Manual U15195EJ5V0UD
D6 D7 Parity
D6 D7 Parity
Start D1 D5 D6
2nd frame
Stop
Stop
D7 Parity Stop
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