Renesas RL78 Series User Manual

RL78/F13, F14 CHAPTER 15 SERIAL ARRAY UNIT
R01UH0368EJ0210 Rev.2.10 1014
Dec 10, 2015
Here is an example of setting an I
2
C transfer rate where fMCK = fCLK = 32 MHz.
I
2
C Transfer Mode
(Desired Transfer Rate)
fCLK = 32 MHz
Operation Clock (fMCK) SDRmn[15:9] Calculated
Transfer Rate
Error from Desired Transfer
Rate
100 kHz fCLK/2 79 100 kHz 0.0%
400 kHz fCLK 39 400 kHz 0.0%
Remark m: Unit number (m = 0, 1), n: Channel number (n = 0, 1), mn = 00, 01, 10, 11

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