Renesas RL78/G1H User Manual

RL78/G1H CHAPTER 14 SERIAL ARRAY UNIT
R01UH0575EJ0120 Rev. 1.20 Page 383 of 920
Dec 22, 2016
Figure 14 - 51 Procedure for Resuming Slave Transmission
Remark If PER0 is rewritten while stopping the master transmission and the clock supply is stopped, wait until the
transmission target (master) stops or transmission finishes, and then perform initialization instead of restarting the
transmission.
Changing setting of the SMRmn register
Changing setting of the SCRmn register
Clearing error flag
Changing setting of the SOEm register
Changing setting of the SOm register
Re-set the register to change serial mode register
mn (SMRmn) setting.
Re-set the register to change serial communication
operation setting register mn (SCRmn) setting.
If the OVF flag remains set, clear this
using serial flag clear trigger register mn
(SIRmn).
Set the SOEmn bit to 0 to stop output from the
target channel.
Set the initial output level of the serial data
(SOmn).
Set the SOEmn bit to 1 and enable output from the
target channel.
Writing to the SSm register
Changing setting of the SOEm register
(Selective)
(Selective)
(Selective)
(Essential)
(Essential)
(Essential)
(Essential)
(Essential)
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 wait for a clock from
the master.
Completing resumption setting
Starting communication
Port manipulation
Enable data output of the target channel by setting
a port register and a port mode register.
(Essential)
Disable data output of the target channel by setting
a port register and a port mode register.
Port manipulation
Starting setting for resumption
Changing setting of the SPSm register
Re-set the register to change the operation clock
setting.
(Selective)
(Selective)
Completing master
preparations?
No
Wait until stop the communication target (master)
or operation completed.
Yes
(Essential)
Changing setting of the SDRmn register
Re-set the register to change the transfer baud
rate setting (setting the transfer clock by dividing
the operation clock (f
MCK)).
(Selective)

Renesas RL78/G1H Specifications

General

Brand	Renesas
Model	RL78/G1H
Category	Microcontrollers
Language	English