RL78/F13, F14 CHAPTER 15 SERIAL ARRAY UNIT
R01UH0368EJ0210 Rev.2.10 941
Dec 10, 2015
(2) Operation procedure
Figure 15-107. Initial Setting Procedure for Slave Reception
Figure 15-108. Procedure for Stopping Slave Reception
Remark 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.
Starting initial settings
Setting the PER0 register
Setting the SPSm register
Setting the SMRmn register
Setting the SCRmn register
Setting the SDRmn 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 an operation mode, etc.
Set a communication format.
Set bits 15 to 9 to any value for baud rate
setting.
Enable data input and clock input of the
target channel by setting a port register and
a port mode register.
Set the SSmn bit of the target channel to 1 and
set the SEmn bit to 1 (to enable operation).
Set dummy data to the SDRmn register and
start communication.
Writing to the SSEm register
Set the SSEm bit of the target channel to 1
and enable operation of slave select input
function for the target channel.
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