RL78/D1A microcontrollers have a built-in sound generator which can set a volume level and tone frequency of 100 Hz to 6 kHz and has an automatic volume decrement function, up to four channels of stepper motor controller/driver which can set an 8-bit precision (pseudo 9-bit precision using a 1-bit addition function) pulse width (PWM output), and an LCD controller/driver which supports up to 216 segments. The 128-pin version has a built-in LCD bus interface and two channels of CAN, and expanded flash memory/RAM up to a maximum of 512 KB/24 KB, making these microcontrollers ideal for low-end instrument cluster.

Features

  • CPU: RL78 core, Max. 32MHz
  • Voltage: 2.7V to 5.5V
  • Package: 48 to 128-pin LFQFP
  • Memory: SRAM Max. 24KB, Program Flash Max. 512KB
  • Timer: 16-bit Timer (ch) x 24, Watchdog Timer (ch) x 1, Interval Timer x 1 ch, Wakeup Timer x 1ch
  • PWM: PWM Output x 21
  • Analog function: 10-bit A/D Converter (ch) x 9
  • On-chip Oscillator Freq. (MHz): 32M, 24M, 16M, 12M, 8M, 4M Low-speed Oscillator 15kHz
  • Others: PLL, RTC, Power-On Reset, Low Voltage Detection

Applications

  • Instrument Cluster

Documentation & Downloads

Title language Type Format File Size Date
User Guides & Manuals
CC-RL Compiler User's Manual 日本語 Manual PDF 3.96 MB
EEPROM Emulation Library Type T02 (Tiny) Manual PDF 887 KB
Data Flash Access Library Type T02 (Tiny) Manual PDF 705 KB
Data Flash Access Library FDL-T01 RL78 Series Manual PDF 498 KB
EEPROM Emulation Library Type T01, European Release, RL78 Family Manual PDF 923 KB
Flash Self-programming Library Type T01, European Release Manual PDF 806 KB
Data Flash Access LibraryType T04 (Pico), European Release Manual PDF 594 KB
CS+ Code Generator Tool Integrated Development Environment User's Manual: Pin View 日本語 Manual PDF 1.57 MB
CS+ Code Generator Tool Integrated Development Environment User's Manual: Peripheral Function Operation 日本語 Manual PDF 2.03 MB
RL78 Software Migration Guide CS+ to e2 studio Migration (CC-RL) 日本語 Guide PDF 3.23 MB
RL78/D1A User's Manual: Hardware Manual PDF 16.30 MB
QB-144-CA-01's header cover for RL78/D1A 128FB package Manual PDF 221 KB
RL78 family User's Manual: Software 日本語 Manual PDF 1.45 MB
QB-144-CA-01's header cover for RL78/D1A 64FB package Manual PDF 144 KB
QB-144-CA-01's header cover for RL78/D1A 80FB package Manual PDF 144 KB
QB-144-CA-01's header cover for RL78/D1A 48FB package Manual PDF 144 KB
QB-144-CA-01's header cover for RL78/D1A 100FB package Manual PDF 144 KB
Technical Updates
Restriction regarding re ading data flash memory 日本語 Technical Update PDF 262 KB
Restriction regarding Watchdog timer (TN-RLx-A068A/E) 日本語 Technical Update PDF 109 KB
Precaution of using REAL-TIME CLOCK (TN-RLx-A058A/E) 日本語 Technical Update PDF 154 KB
Application Notes & White Papers
RL78 Family SHA Hash Function Library: Introduction Guide 日本語 Application Note PDF 282 KB
- RL78 Family SHA Hash Function Library: Introduction Guide 日本語 Application Note PDF 282 KB
RL78 Family RL78 Digital Signal Controller Library - Filter 日本語 Application Note PDF 754 KB
- RL78 Family RL78 Digital Signal Controller Library - Filter 日本語 Application Note PDF 754 KB
- RL78 Family FFT Library: Deployment Guide 日本語 Application Note PDF 244 KB
RL78 Family FFT Library: Deployment Guide 日本語 Application Note PDF 244 KB
7-Segment LED Lighting Control (Arduino API) 日本語 Application Note PDF 951 KB
- 7-Segment LED Lighting Control (Arduino API) 日本語 Application Note PDF 951 KB
Arduino API Introduction Guide 日本語 Application Note PDF 1.65 MB
IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU extended Application Notes (R01AN4819EJ0110) 日本語 Application Note PDF 2.09 MB
IEC60730/60335 Self Test Library of CARL78 for RL78 MCU extended Application Notes (R01AN4823EJ0110) 日本語 Application Note PDF 2.36 MB
CAN Controller Usage: Applications and Frequently Asked Questions Application Note PDF 1.81 MB
Random Number Generator Application Note PDF 560 KB
- Replacement Guide from 78K0 Family to RL78 Family (CcnvCA78K0) 日本語, 简体中文 Application Note PDF 1.47 MB
- IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU Application Notes 日本語 Application Note PDF 3.59 MB
IEC60730/60335 Self Test Library of CCRL78 for RL78 MCU Application Notes 日本語 Application Note PDF 3.59 MB
RL78 Software Migration Guide Source Code Migration from Assembly Language to C Language CC-RL 日本語, 简体中文 Application Note PDF 1.64 MB
Current Consumption Tuning Solution for RL78 family (E2 Emulator,CS+) 日本語 Application Note PDF