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Overview

The RL78/I1C microcontroller integrates functions required for the metrology of smart electricity meters. It includes 24-bit ΔΣ A/D converters, 32-bit multiply-accumulator, independent power supply real-time clock, segment LCD driver supporting up to 8 com, and AES hardware engine that supports the DLMS standard. For single-phase two-wire meters, single-phase three-wire meters, and three-phase three-wire meters, 24-bit ΔΣ A/D converters (Max 4ch) are used for current and voltage sensing to achieve highly accurate power metrology.

Moreover, three-phase four-wire meters can be supported by the 100-pin QFP products, with ΔΣ A/D converters that are used for current sensing and a successive approximation A/D converter unit that is used for voltage sensing.

In addition, the products equipped with 512KB flash memory can also use the code flash area as two partitions, that is 256KB x 2 banks, independently. Thanks to the bank programming function in dual-bank mode and bank swapping, the system can update the firmware without stopping the metrology operation throughout the new firmware downloading and even the bank swapping period.

RL78/I1C Block Diagram
RL78/I1C Block Diagram
  • CPU: RL78 core, Max. 32MHz
  • Voltage: 1.7V to 5.5V
  • Package: 64 to 100-pin QFP
  • Memory: SRAM Max. 32KB, Program Flash Max. 512KB

Applications

  • Metering

Documentation

Design & Development

Software & Tools
Code Generator Plug-in
Automatic driver generation tool for internal peripheral I/O modules through GUI settings [Standard features for Renesas IDE "e² studio" and CS+] [Support MCU/MPU: RL78, V850, 78K, RX]
 Code Generator Renesas
C Compiler Package for RL78 Family [CC-RL]
C Compiler Package for RL78 Family [IDE: CS+, e² studio]
 Compiler/Assembler Renesas
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]
Downloads
[Flyer] E2Emulator[RTE0T00020KCE00000R]Current Consumption Tuning Solution for RL78 family (E2 Emulator,CS+) Rev.1.00Current Consumption Tuning Solution for RL78 family (E2 Emulator, e² studio) Rev.1.00
 Emulator Renesas
E2 emulator Lite [RTE0T0002LKCE00000R]
On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX, RISC-V MCU]
 Emulator Renesas
FAT File System [M3S-TFAT-Tiny] for the RL78 Family
FAT file system for RL78 Family
 File System Renesas
RI78V4 V2 Real-time OS for RL78 Family
μITRON Specification real-time OS for RL78 Family [Required IDE : CS+]
ITRON OS Renesas
PG-FP6
Flash memory programmer [Programming software: Dedicated GUI-based software, the "FP6 Terminal"] [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, SuperH RISC engine, V850, 78K, R8C]
 Programmer (Unit/SW) 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]
 Programmer (Unit/SW) 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
 Self Programming Library (Flash Library) Renesas
QE for Current Consumption: A Dedicated Tool for Current Measurement
Development assistance tool helps to shorten the times taken in operations for the tuning of currents drawn. [Standard item in the "e² studio" and CS+ (CS+ for CC only) IDEs] [Support MCU/MPU: RX, RL78]
Downloads
Current Consumption Tuning Solution for RL78 family (E2 Emulator, e² studio) Rev.1.00Current Consumption Tuning Solution for RL78 family (E2 Emulator,CS+) Rev.1.00
 Solution Toolkit Renesas
Sound Playback/Compression System [M3S-S2-Tiny] for RL78 Family
Sound playback system for RL78 Family
 Sound / Voice Renesas
RI78V4 V1 Real-time OS for RL78 Family and 78K0R
μITRON4.0 Specification real-time OS for RL78 Family and 78K0R [Required IDE : CS+]
 ITRON OS Renesas
AP4, Applilet
Peripheral I/O driver generator compatible with third-party compilers and GNU compiler (for RZ, V850, RX, RL78, and 78K)
 Code Generator Renesas
Data Flash Libraries
Libraries for the reprogramming of data flash memory, including EEPROM emulation libraries for the data areas of RL78-family products
 Self Programming Library (Flash Library) Renesas
Simulator for e² studio of RL78 Family
Simulator for RL78 Family [Support IDE: e² studio] (Note: This product is included in the Renesas IDE "e² studio" and is not available separately.)
 Simulator Renesas
CS+
Renesas integrated development environment (IDE) [Support MCU/MPU: RH850, V850, RX, RL78, 78K0R, 78K0] (Note: CS+ is not generally promoted to U.S. and European customers.) (Note: To use Smart Configurator on CS+ for RL78/G23 and RX family MCUs, install the Smart Configurator for each MCU family separately downloading from ”Design & Support” > ”Development Tools” > ”Smart Configurator”)
 IDE and Coding Tool Renesas
e² studio - information for RL78 Family
Eclipse-based Renesas integrated development environment (IDE).
IDE and Coding Tool Renesas
Crypto Library
Robust encode library to ensure security for all types of system developments
 Security / Crypto Renesas
SPI/QSPI Serial Flash Memory, QSPI Serial Phase Change Memory Driver
Device Driver for SPI and QSPI Serial Flash Memory and QSPI Serial Phase Change Memory
Downloads
RX Family, RL78 Family, 78K0R/Kx3-L Macronix International MX25/66L Family Serial NOR Flash Memory Control Software Rev.1.04 - Sample CodeRX Family, RL78 Family, 78K0R/Kx3-L Micron Technology M25P Series Serial Flash memory Control Software Rev.1.06RX Family, RL78 Family, 78K0R/Kx3-L Micron Technology M45PE Series Serial Flash memory Control Software Rev.1.06
 Serial Memory 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.
 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.
 IDE and Coding Tool Renesas
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RL78/I1C(512KB) Fast Prototyping Board Layout and Specification

RTK5RL10N0CPL000BJ

Evaluation
Learn More

RL78/I1C (512KB) Fast Prototyping Board (RL78/I1C FPB)

The RL78/I1C(512KB) Fast Prototyping Board is an evaluation board with the RL78/I1C(512KB) microcontroller and is designed for a system prototyping.

No additional...

Featured Documents:
RL78/I1C(512KB) Fast Prototyping Board Quick Start Guide
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ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

Explore ECAD Models
Diagram of ECAD Models

Product Options

    Processing table
    PLP
    Program Memory (KB)
    RAM (KB)
    Lead Count (#)
    Temp. Range
    Bit Size
    CPU
    Data Flash (KB)
    Supply Voltage (V)
    Operating Freq (Max) (MHz)
    RTC
    LVD or PVD
    DMA
    I/O Ports
    Timer
    ADC
    DAC
    CAN (ch)
    Ethernet
    USB
    Human Machine Interface
    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    Buy / Sample
    Part Number
    R5F11TLEDFB#55
    circleActive
    memory
    view_in_ar
    		2034 Dec 64 6 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 120 3
    R5F11TLGDFB#55
    circleActive
    memory
    view_in_ar
    		2034 Dec 128 8 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 120 3
    R5F10NPGDFB#55
    circleActive
    memory
    view_in_ar
    		2034 Dec 128 8 100 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 68 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 6-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 304 3 3.187
    R5F10NMJDFB#55
    circleActive
    memory
    view_in_ar
    		2034 Dec 256 16 80 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 52 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) 0 No LCD Segment Count x 240 3 3.268
    R5F10NPJDFB#55
    circleActive
    memory
    view_in_ar
    		2034 Dec 256 16 100 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 68 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 6-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 304 3 3.2
    R5F10NMEDFB#55
    circleActive
    memory
    view_in_ar
    		2034 Dec 64 6 80 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 52 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) 0 No LCD Segment Count x 240 3 2.616
    R5F10NMGDFB#55
    circleActive
    memory
    view_in_ar
    		2034 Dec 128 8 80 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 52 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) 0 No LCD Segment Count x 240 3 2.902
    R5F10NLEDFB#55
    circleActive
    memory
    view_in_ar
    		2034 Dec 64 6 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 120 3
    R5F10NLGDFB#55
    circleActive
    memory
    view_in_ar
    		2034 Dec 128 8 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 120 3
    R5F10NMLDFB#10
    circleActive
    memory
    view_in_ar
    		2034 Dec 512 32 80 -40 to 85°C 16 RL78 2 1.6 - 5.5 32 Yes Yes No 60 8-bit x 8-ch, 12-bit Interval Timer x 1-ch, 16-bit timer RJ x 2-ch, 16-bit x 8-ch 12-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) 0 No LCD Segment Count x 240 3
    R5F10NMLDFB#50
    circleActive
    memory
    view_in_ar
    		2034 Dec 512 32 80 -40 to 85°C 16 RL78 2 1.6 - 5.5 32 Yes Yes No 60 8-bit x 8-ch, 12-bit Interval Timer x 1-ch, 16-bit timer RJ x 2-ch, 16-bit x 8-ch 12-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) 0 No LCD Segment Count x 240 3 4.048
    R5F10NPLDFB#10
    circleActive
    memory
    view_in_ar
    Buy Now
    		2034 Dec 512 32 100 -40 to 85°C 16 RL78 2 1.6 - 5.5 32 Yes Yes No 76 8-bit x 8-ch, 12-bit Interval Timer x 1-ch, 16-bit timer RJ x 2-ch, 16-bit x 8-ch 12-bit x 6-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 304 3 4.428
    R5F10NPLDFB#50
    circleActive
    memory
    view_in_ar
    		2034 Dec 512 32 100 -40 to 85°C 16 RL78 2 1.6 - 5.5 32 Yes Yes No 76 8-bit x 8-ch, 12-bit Interval Timer x 1-ch, 16-bit timer RJ x 2-ch, 16-bit x 8-ch 12-bit x 6-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 304 3 4.352
    R5F10NLEDFB#15
    circleActive
    memory
    view_in_ar
    		2034 Dec 64 6 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 120 3
    R5F10NLGDFB#15
    circleActive
    memory
    view_in_ar
    		2034 Dec 128 8 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 120 3
    R5F11TLEDFB#15
    circleActive
    memory
    view_in_ar
    		2034 Dec 64 6 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 120 3
    R5F11TLGDFB#15
    circleActive
    memory
    view_in_ar
    		2034 Dec 128 8 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 120 3 2.313
    R5F10NMEDFB#15
    circleActive
    memory
    view_in_ar
    		2034 Dec 64 6 80 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 52 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) 0 No LCD Segment Count x 240 3
    R5F10NMGDFB#15
    circleActive
    memory
    view_in_ar
    		2034 Dec 128 8 80 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 52 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) 0 No LCD Segment Count x 240 3
    R5F10NMJDFB#15
    circleActive
    memory
    view_in_ar
    		2034 Dec 256 16 80 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 52 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) 0 No LCD Segment Count x 240 3 3.274
    R5F10NPGDFB#15
    circleActive
    memory
    view_in_ar
    		2034 Dec 128 8 100 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 68 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 6-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 304 3 3.225
    R5F10NPJDFB#15
    circleActive
    memory
    view_in_ar
    Buy Now
    		2034 Dec 256 16 100 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 68 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 6-ch, 24-bit x 4-ch (Delta-Sigma) 0 No LCD Segment Count x 304 3 4.712
    R5F11TLEDFB#75
    circleActive
    memory
    view_in_ar
    		N/A 64 6 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) No 0 No No LCD Segment Count x 120 3 2.342
    R5F11TLGDFB#75
    circleActive
    memory
    view_in_ar
    		N/A 128 8 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) No 0 No No LCD Segment Count x 120 3 2.665
    R5F10NMJDFB#75
    circleActive
    memory
    view_in_ar
    		N/A 256 16 80 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 52 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) No 0 No No LCD Segment Count x 240 3 3.362
    R5F10NPJDFB#75
    circleActive
    memory
    view_in_ar
    		N/A 256 16 100 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 68 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 6-ch, 24-bit x 4-ch (Delta-Sigma) No 0 No No LCD Segment Count x 304 3 3.696
    R5F10NPGDFB#75
    circleActive
    memory
    view_in_ar
    		N/A 128 8 100 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 68 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 6-ch, 24-bit x 4-ch (Delta-Sigma) No 0 No No LCD Segment Count x 304 3 3.286
    R5F10NMGDFB#75
    circleActive
    memory
    view_in_ar
    		N/A 128 8 80 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 52 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) No 0 No No LCD Segment Count x 240 3 2.986
    R5F10NLEDFB#75
    circleActive
    memory
    view_in_ar
    		N/A 64 6 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) No 0 No No LCD Segment Count x 120 3
    R5F10NLGDFB#75
    circleActive
    memory
    view_in_ar
    		N/A 128 8 64 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 35 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 4-ch (Delta-Sigma) No 0 No No LCD Segment Count x 120 3 2.804
    R5F10NMEDFB#75
    circleActive
    memory
    view_in_ar
    		N/A 64 6 80 -40 to 85°C 16 RL78 2 1.7 - 5.5 24 Yes Yes No 52 8-bit x 4-ch, 12-bit Interval Timer x 1-ch, 16-bit x 8-ch 10-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) No 0 No No LCD Segment Count x 240 3 2.694
    R5F10NMLDFB#70
    circleActive
    memory
    view_in_ar
    		N/A 512 32 80 -40 to 85°C 16 RL78 2 1.6 - 5.5 32 Yes Yes No 60 8-bit x 8-ch, 12-bit Interval Timer x 1-ch, 16-bit timer RJ x 2-ch, 16-bit x 8-ch 12-bit x 4-ch, 24-bit x 3-ch (Delta-Sigma) No 0 No No LCD Segment Count x 240 3 3.935
    R5F10NPLDFB#70
    circleActive
    memory
    view_in_ar
    		N/A 512 32 100 -40 to 85°C 16 RL78 2 1.6 - 5.5 32 Yes Yes No 76 8-bit x 8-ch, 12-bit Interval Timer x 1-ch, 16-bit timer RJ x 2-ch, 16-bit x 8-ch 12-bit x 6-ch, 24-bit x 4-ch (Delta-Sigma) No 0 No No LCD Segment Count x 304 3
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    Videos & Training

    RL78/I1C Value Proposition with Its Continuous Metrology FOTA Technology
    Video List
    RL78/I1C Value Proposition with Its Continuous Metrology FOTA Technology
    RL78 Quick Solutions

    News & Blog Posts

    Blog Post Feb 9, 2023