RL78/G1P
CHAPTER 11 SERIAL ARRAY UNIT
R01UH0895EJ0100 Rev.1.00
363
Nov 29, 2019
Figure 11-43. Procedure for Resuming Master Transmission/Reception
Starting setting for resumption
Changing setting of the SPSm register
Changing setting of the SMRmn register
Changing setting of the SOm register
Port manipulation
Writing to the SSm register
Completing resumption setting
Disable data output and clock output of
the target channel by setting a port
register and a port mode register.
Re-set the register to change the operation
clock setting.
Re-set the register to change the transfer
baud rate setting (setting the transfer
clock by dividing the operation clock
(f
MCK
)).
Re-set the register to change serial
mode register mn (SMRmn) setting.
Set the initial output level of the serial
clock (CKOmn) and serial data (SOmn).
Enable data output and clock output of
the target channel by setting a port
register and a port mode register.
Set the SSmn bit of the target channel to 1
(SEmn = 1: to enable operation).
Sets transmit data to the SIOp register (bits
7 to 0 of the SDRmn register) and start
communication.
(Essential)
(Selective)
(Selective)
(Selective)
(Selective)
(Essential)
(Essential)
Re-set the register to change serial
communication operation setting register
mn (SCRmn) setting.
(Selective)
Changing setting of the SCRmn register
Set the SOEmn bit to 1 and enable
output from the target channel.
(Selective)
Changing setting of the SOEm register
Set the SOEmn bit to 0 to stop output
from the target channel.
(Selective)
Changing setting of the SOEm register
Port manipulation
Changing setting of the SDRmn register
(Essential)
Yes
No
Wait until stop the communication target
(slave) or communication operation
completed
Completing slave
preparations?
Summary of Contents for RL78/G1P
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