Renesas RL78/G10 User Manual

RL78/G10 CHAPTER 12 SERIAL ARRAY UNIT
R01UH0384EJ0311 Rev. 3.11 371
Dec 22, 2016
Figure 12-72. Procedure for Resuming UART Transmission
(Essential)
Yes
No
Wait until the communication target stops
or communication finishes.
Preparing the communication
target completed?
Port manipulation
Changing setting of the SPS0 register
Changing setting of the SDR0nH register
Changing setting of the SMR0nH/L register
Changing setting of the SO0 register
Port manipulation
Writing to the SS0 register
Completing resumption setting
Disable data 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 0n (SMR0nH/L) setting.
Set the initial output level of the serial
data (SO0n).
Enable data output of the target channel
by setting a port register and a port mode
register.
Set the SS0n bit of the target channel to 1 and set
the SE0n bit to 1 (to enable operation).
Setting is completed
Sets transmit data to the TXD0 register
(SDR0nL register) and start
communication.
(Selective)
(Selective)
(Selective)
Changing setting of the SOE0 register
Set the SOE0n bit to 1 and enable
output.
Changing setting of the SOE0 register
Clear the SOE0n bit to 0 and stop output.
(Selective)
Changing setting of the SCR0nH/L register
Re-set the register to change the serial
communication operation setting register
0n (SCR0n) setting.
Changing setting of the SOL0 register
Re-set the register to change serial
output level register 0 (SOL0) setting.
Starting setting for resumption
(Essential)
(Essential)
(Essential)
(Selective)
(Selective)
(Selective)
(Selective)
Remark If PER0 is rewritten while stopping the master transmission and the clock supply is stopped, wait until the
transmission target stops or transmission finishes, and then perform initialization instead of restarting the
transmission.

Renesas RL78/G10 Specifications

General

Brand	Renesas
Model	RL78/G10
Category	Motherboard
Language	English