Overview
Description
RL78/F14 microcontrollers are positioned as the upper-level product of the RL78 series, are available in a 30 to 100-pin, 48 to 256KB flash memory lineup and realize the industry's lowest level of consumption current. They have a built-in CAN module and LIN module for automotive interfaces and also support BLDC motor control using the RL78/F14's functional safety features, timer RD, comparator and D/A converter. Since a highly reliable system can be built, these microcontrollers can be used for industrial and automotive applications.
Features
- CPU: RL78 core, Max. 32MHz
- Voltage: 2.7V to 5.5V
- Package: 32 to 48-pin HVQFN, 48 to 100-pin LFQFP, 30-pin LSSOP
- Memory: SRAM Max. 20KB, Program Flash Max. 256KB
- PWM: PWM Output x 20, 3-phase PWM Output Function
- Analog function: 10-bit A/D Converter (ch) x 31, 8-bit D/A Converter (ch) x 1
- On-chip Oscillator Freq. (MHz): 64M, 48M, 32M, 24M, 16M, 12M, 8M, 4M, 1M Low-speed Oscillator 15kHz
- Others: PLL, RTC, Power-On Reset, Low Voltage Detection
Comparison
Applications
Design & Development
Software & Tools
Crypto Library
A library for Renesas microcontroller that performs software processing is available.
*The driver for high-speed encryption processing by the hardware accelerator installed in RL78/F2x will be provided after concluding an NDA.
Type | Function | Target Devices | Supported compiler |
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SHA hash function library | SHA-256/384/512 Processing of initial value setting and addition of padding data in the library for easy use |
RL78/Fx series | CC-RL, IAR |
RSA library | Maximum key length 3072bits. Signature generation/ verification method RSASSA-PKCS1-V1_5 Modulo exponentiation |
RL78/Fx series | CC-RL, IAR |
Obtaining the product: We will provide the product to customers who will be adopting or plan to adopt a Renesas microcontroller. Please contact your Renesas sales representative or distributor.
Software & Tools
Software title
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Software type
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Company
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E2 emulator [RTE0T00020KCE00000R] On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX, RISC-V MCU]
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Emulator | Renesas |
Data Flash Libraries Libraries for the reprogramming of data flash memory, including EEPROM emulation libraries for the data areas of RL78-family products
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Self Programming Library (Flash Library) | Renesas |
Code Flash Libraries (Flash Self Programming Libraries) Libraries for the reprogramming of code area flash memory, including EEPROM emulation libraries for the code areas of 78K-family products
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Self Programming Library (Flash Library) | Renesas |
AP4, Applilet Peripheral I/O driver generator compatible with third-party compilers and GNU compiler (for RZ, V850, RX, RL78, and 78K)
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Code Generator | Renesas |
Renesas Flash Programmer (Programming GUI) Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU Renesas Synergy, DA1453x, DA1459x, DA1469x, DA1470x, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78K0R, 78K0]
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Programmer (Unit/SW) | Renesas |
IAR Embedded Workbench for Renesas RL78 IAR Embedded Workbench provides extensive support for RL78 devices. IAR Embedded Workbench is a complete set of development tools with leading optimization technology for creating powerful automotive applications.
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IDE and Coding Tool | IAR Systems |
Renesas IAR Embedded Workbench Device-Support-Packages Renesas IAR Embedded Workbench Device-Support-Packages include all device-specific files to be used with the Embedded Workbench IDE.
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IDE and Coding Tool | Renesas |
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Sample Code
Boards & Kits
RL78/F14 (R5F10PPJ) Target Board
As a CPU board usable in connection with the on-chip debugging emulator E2, E2 Lite, E1(discontinued product), this product achieves simple and easy evaluation of the target MCU.
Information on the discontinuation of E1 emulator production
We have already discontinued production of the E1...
YRDKRL78F14 Demonstration Kit for RL78/F14
The Renesas Demonstration Kit (RDK) for RL78 is an evaluation and demonstration tool for Renesas RL78 F13 and RL78 F14 microcontrollers. The goal is to provide the user with a powerful debug and demonstration platform targeted at common automotive and industrial (CAN) applications. This...
RL78/F14 Starter Kit V2
The RL78/F14 starter kit includes the RL78/F14 target board QB-R5F10PPJ-TB and the E2 Lite, a Renesas Electronics on-chip-debug emulator with programming function.
Together with the software available on this landing page you can directly start evaluation of all microcontroller operations.
Desk Top Laboratories ECU Series RL78/F14 Evaluation
The ECU001-F14-12V is an evaluation ECU module equipped with the RL78/F14 MCU with low consumption current for automotive applications. This unit drives fans and pumps, and can be connected to the real-time debugging tool In-Circuit Scope.
RL78/F14 Target Board QB-R5F10PPJ-TB
The QB-R5F10PPJ-TB is a target board used for evaluating microcontroller operations, using the E1, the Renesas Electronics on-chip debug emulator with programming function.
Power Distribution Box with eFuse Reference Board
With this eFuse (electronic fuse) box reference board, Renesas provides an efficient solution for power distribution systems. The compact, only 30cm2 sized board includes 10 output channels switched by Renesas Intelligent Power Devices (IPD), which enable intelligent and protected switching of...
Test This Board Remotely
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

Models
Model - IBIS | ZIP 330 KB | |
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Product Options
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Support
Support Communities
Partners
SimuQuest
SimuQuest’s QuantiPhi enables driver configuration and production code generation, seamlessly integrated with Simulink. QuantiPhi detects and resolves inconsistencies in real-time and automatically optimizes chip settings.
Support Communities
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Error occur during jump between the boot area and the flash area in RL78/F14.
Hello everyone, I am new to the RL78 family. I tried to jump between the Boot area to the Flash area in RL78/F14 microcontroller, But I get an error of (Exit code = 1) during building the code, in CS+ tool. Please anyone explain why is this happening.
Mar 28, 2023 -
SHA1 hash function Library for RL78/F14
Hi, I want to calculate the digest of the data in Program Area using SHA1 Algorithm. Is there any sample code/Library available for SHA1 Algorithm for RL78/F14 device. I am using CC-RL compiler. Thanks in Advance
Feb 17, 2022 -
RL78/F14 bootloader sample code
Hello, I am using RL78/F14 mcu with CS+ and CC-RL compiler. I am looking for UDS based bootloader sample code for RL78/F14 , any lead for the same will be appreciated as i have looked in the community also but unable to find the sample code ...
Feb 9, 2022
FAQs
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RL78 Family: Reset signal generated by the power-on reset circuit (POR)
... reset state using the voltage detector (LVD) or controlling the externally input reset signal. Suitable Products RL78/D1A, RL78/F12, RL78/F13, RL78/F14, RL78/F15, RL78/F23, RL78/F24, RL78/G10, RL78/G11, RL78/G12, RL78/G13, RL78 ...
Apr 28, 2025 -
RL78 Family: Relationship between A/D Conversion Resolution and A/D Conversion Time
... /I1D, RL78/L1CGroup D: RL78/F23, RL78/F24, RL78/L1AGroup E: RL78/D1A, RL78/F12, RL78/F13, RL78/F14, RL78/F15, RL78/G10, RL78/G11, RL78/G12, RL78/G13, RL78/G13A, RL78/G14, RL78 ...
Nov 12, 2024 -
Tell me the points to be aware of when using the RL78 Code Generator with the WDT.
In the RL78 Code Generator, the Watchdog Timer (WDT) is set to 'Enabled' by default, as shown in the diagram below. To avoid unintended resets by the WDT, please either select 'Disabled' for the 'Watchdog Timer Operation Setting' or add a program to clear the Watchdog Timer counter.
Dec 10, 2024