Renesas RL78/G1P Hardware User Manual page 399

16-bit single-chip microcontroller

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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.

R01UH0895EJ0100 Rev.1.00

Nov 29, 2019

Figure 11-59. Procedure for Resuming Slave Reception

Starting setting for resumption

Completing master

preparations?

Port manipulation

Changing setting of the SPSm register

Changing setting of the SMRmn register

Changing setting of the SCRmn register

Clearing error flag

Port manipulation

Writing to the SSm register

Completing resumption setting

CHAPTER 11 SERIAL ARRAY UNIT

Wait until stop the communication target

Disable 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 serial mode

Re-set the register to change serial

communication operation setting register

mn (SCRmn) setting.

If the OVF flag remain set, clear this

using serial flag clear trigger register mn

Enable clock output of the target channel

by setting a port register and a port mode

Set the SSmn bit of the target channel to 1

(SEmn bit = 1: to enable operation) and

wait for a clock from the master.