Renesas RL78/G10 User Manual

RL78/G10 CHAPTER 12 SERIAL ARRAY UNIT
R01UH0384EJ0311 Rev. 3.11 369
Dec 22, 2016
(2) Operation procedure
Figure 12-70. Initial Setting Procedure for UART Transmission
Starting initial setting
Setting the PER0 register
Setting the SPS0 register
Setting the SMR0nH/L register
Setting the SCR0nH/L register
Setting the SDR0nH register
Setting the SO0 register
Setting port
Setting the SOE0 register
Writing to the SS0 register
Completing initial setting
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 a transfer baud rate (setting the
transfer clock by dividing the operation
clock
(
fMCK
))
.
Set the initial output level of the serial
data (SO00).
Enable data output of the target channel
by setting a port register and a port mode
register.
Set the SOE00 bit to 1 and enable data
output of the target channel.
Set the SS00 bit of the target channel to 1 and
set the SE0n bit to 1 (to enable operation).
Initial setting is completed.
Communication starts by setting transmit
data to the TXD0 register (SDR0nL
re
g
ister
)
.
Setting the SOL0 register
Set an output data level.

Renesas RL78/G10 Specifications

General

Brand	Renesas
Model	RL78/G10
Category	Motherboard
Language	English