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Renesas RL78 Series User Manual

Renesas RL78 Series
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RL78/F13, F14 CHAPTER 15 SERIAL ARRAY UNIT
R01UH0368EJ0210 Rev.2.10 1009
Dec 10, 2015
Figure 15-152. Flowchart of Data Reception
Caution ACK is not output when the last data is received (NACK). Communication is then completed by
setting 1 to the STmn bit of serial channel stop register m (STm) to stop operation and generating
a stop condition.
Remark m: Unit number (m = 0, 1), n: Channel number (n = 0, 1), mn = 00, 01, 10, 11
Starting data reception
Data reception completed
No
Yes
Writing dummy data (FFH) to the
SDRmn register
Stop condition
g
eneration
Yes
No
Reading the SDRmn register
Address field transmission completed
Writing 1 to the STmn bit
Writing 0 to the TXEmn bit, and 1 to the RXEmn bit
Writing 1 to the SSmn bit
Last byte received?
Yes
Writing 0 to the SOEmn bit
(Output stop by serial
communication operation)
Data transfer completed?
No
Transfer end interrupt
generated?

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Renesas RL78 Series Specifications

General IconGeneral
BrandRenesas
ModelRL78 Series
CategoryComputer Hardware
LanguageEnglish

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