Renesas RL78 Series User Manual

RL78/F13, F14 CHAPTER 15 SERIAL ARRAY UNIT
R01UH0368EJ0210 Rev.2.10 950
Dec 10, 2015
Figure 15-115. Procedure for Resuming Slave Transmission/Reception
Caution Be sure to set transmit data to the SDRpL register before the clock from the master is started.
Remark m: Unit number (m = 0, 1), n: Channel number (n = 0, 1), p: CSI number (p = 00, 01, 10, 11),
mn = 00, 01, 10, 11
Starting setting for resumption
Manipulating target for communication
Port manipulation
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
Stop the target fo
r
communication or wait
until the target completes its operation.
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 serial mode
re
g
ister mn
(
SMRmn
)
settin
g
.
Set the initial output level of the serial
data (SOmn).
Enable data 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 and
set the SEmn bit to 1 (to enable operation).
(
Essential
)
(
Essential
)
(
Selective
)
(
Selective
)
(Selective)
(
Essential
)
(Essential)
Clearing error flag
(
Selective
)
If the FEF, PEF, or OVF flag remains set,
clear this using serial flag clear trigger
register mn (SIRmn).
Starting communication
Starting target for communication
Set transmit data to the SDRmn register
and wait for a clock from the master.
Start the target for communication.
(Essential)
(Essential)
Changing setting of the SCRmn register
Re-set the register to change serial
communication operation setting register
mn (SCRmn) setting.
(
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
Set the SOEmn bit to 1 and enable
output from the target channel.
(Selective)

Renesas RL78 Series Specifications

General

Core	RL78
CPU Clock Speed	Up to 32 MHz
Flash Memory	Up to 512 KB
RAM	Up to 32 KB
Operating Voltage	1.6 V to 5.5 V
Low Power Modes	HALT, STOP, SNOOZE
CPU Architecture	16-bit
Temperature Range	-40°C to +85°C
Package	LQFP
Timers	16-bit timers
Communication Interfaces	UART, I2C, LIN
A/D Converter	12-bit