Renesas RL78 Series User Manual

RL78/F13, F14 CHAPTER 15 SERIAL ARRAY UNIT
R01UH0368EJ0210 Rev.2.10 843
Dec 10, 2015
Figure 15-32. Flowchart of Master Transmission (in Continuous Transmission Mode)
Starting CSI communication
Port manipulation
Setting the SAU1EN and
SAU0EN bits of the PER0 register to 1
Setting operation clock
with the SPSm register
No
Buffer empty interrupt
generated?
Writing 1 to the SSmn bit
Writing transmit data to
the SDRmn register
Transmitting next
data?
Writing 0 to the MDmn0 bit
Setting the SAU1EN and SAU0EN
bits of the PER0 register to 0
End of communication
Yes
<2>
TSFmn = 1?
Transfer end interrupt generated?
Communication
continued?
Writing 1 to the STmn bit
<3>
Yes
<4>
No
<6>
No
<5>
Yes
No
Writing 1 to the MDmn0 bit
Yes
SMRmn, SCRmn: Setting communication
SDRmn[15:9]: Setting transfer rate
SOm, SOEm: Setting output
,
No
Yes
Specify the initial settings while the SEmn bit is
0.
<1> Select the buffer empty interrupt.
Remarks 1. <1> to <6> in the figure correspond to <1> to <6> in Figure 15-31 Timing Chart of Master
Transmission (in Continuous Transmission Mode).
2. m: Unit number (m = 0, 1), n: Channel number (n = 0, 1), mn = 00, 01, 10, 11

Renesas RL78 Series Specifications

General

Brand	Renesas
Model	RL78 Series
Category	Computer Hardware
Language	English