UPD70F3116 Datasheet, PDF (465/826 Pages) NEC – 32-Bit Single-Chip Microcontrollers

CHAPTER 10 SERIAL INTERFACE FUNCTION
Figure 10-21. Transmission/Reception Timing Chart for Synchronous Mode (1/3)
Serial clock
Transmit data
Transmission register
write signal
Flag in transmission
(SOTn)
Transmission
completion interrupt
(INTSTn)
Flag in reception
(SIRn)
Reception completion
interrupt
(INTSRn)
Reception buffer
(RXBn)
Reception buffer
(RXBLn)
Remark n = 1, 2
(a) In 1-frame transmission/reception mode
Stop bit
Undefined (hold previous value)
Undefined (hold previous value)
005AH
5AH
User’s Manual U14492EJ5V0UD
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