Renesas RL78/D1A User Manual

RL78/F13, F14 CHAPTER 15 SERIAL ARRAY UNIT
R01UH0368EJ0210 Rev.2.10 911
Dec 10, 2015
(2) Operation procedure
Figure 15-83. Initial Setting Procedure for Master Reception
Figure 15-84. Procedure for Stopping Master Reception
Remarks 1. Even after communication is stopped, the pin level is retained. To resume the operation, re-set serial
output register m (SOm) (see Figure 15-85 Procedure for Resuming Master Reception).
2. m: Unit number (m = 0, 1), n: Channel number (n = 0, 1), mn = 00, 01, 10, 11
Starting setting to stop
Setting the STm register
Stopping communication
Write 1 to the STmn bit of the target
channel.
Stop communication in midway.
Set an operation mode, etc.
Starting initial setting
Setting the PER0 register
Setting the SPSm register
Setting the SMRmn register
Setting the SCRmn register
Setting the SDRmn register
Setting the SOm register
Setting port
Writing to the SSm register
Starting communication
Release the serial array unit from the
reset status and start clock supply.
Set the operation clock.
Set a communication format.
Set the initial output level of the serial clock
(
CKOmn
)
.
Enable clock output of the target channel
by setting a port register and a port mode
register.
Set dumm
y
data to the SDRmn register
and start communication.
Set the SSmn bit of the target channel to 1
and set the SEmn bit to 1 (to enable
operation).
Set a transfer baud rate.

Renesas RL78/D1A Specifications

General

Brand	Renesas
Model	RL78/D1A
Category	Computer Hardware
Language	English