Renesas R5F100JEDFA#X0
- Part No.:
- R5F100JEDFA#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F100JEDFA#X0.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 52LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F100JEDFA#X0 from Renesas is a 52-pin LQFP-0.65mm MCU in the RL78/G13 family, featuring 64 KB flash, 4 KB data flash, 4 KB RAM, 10-bit ADC (16 channels), and real-time clock - optimized for low-power industrial control and sensor interface applications operating from 1.6 V to 5.5 V.
For engineers reviewing the R5F100JEDFA#X0 datasheet, R5F100JEDFA#X0 pinout, R5F100JEDFA#X0 application, or R5F100JEDFA#X0 equivalent, key selection criteria include its 64 KB code flash with self-programming, ultra-low power STOP mode (0.57 μA), 52-pin LQFP package, integrated RTC with calendar/alarm, and industrial-grade -40°C to +85°C operation.
Technical Context
The R5F100JEDFA#X0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (@32 MHz) to 30.5 μs (@32.768 kHz). It integrates a 10-bit A/D converter with up to 16 analog inputs, internal reference voltage (1.45 V), and temperature sensor.
Its peripheral set includes 3 UART/LIN channels, 3 I²C/Simplified I²C channels, 2 CSI/SPI channels, 12-bit interval timer, watchdog timer, DMA controller (2 channels), and multiplier/divider unit - all operating under single-supply 1.6–5.5 V with on-chip POR and 14-level LVD.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline |
| Max Clock Speed | 32 MHz - delivers 41 DMIPS performance |
| Flash Memory | 64 KB code flash with block erase protection and boot swap function |
| Data Flash | 4 KB with background operation (BGO) and 1M rewrite cycles |
| RAM | 4 KB on-chip RAM for program/data storage |
| A/D Converter | 10-bit resolution, 16-channel input, internal 1.45 V reference |
| Power Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC+LVD active |
| Operating Voltage | 1.6 V to 5.5 V - supports direct battery and wide-input industrial rails |
Pinout & Package
Package: 52-pin LQFP, 10 mm × 10 mm, 0.65 mm pitch, exposed pad not present, RoHS-compliant.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply | Main digital supply (1.6–5.5 V); decoupling required at each VDD pin |
| VSS | Ground | Digital ground reference; multiple pins for low-impedance return path |
| RESET | Reset input | Active-low reset with internal pull-up; accepts external debounced signal or POR/LVD assertion |
| P00–P07 | General-purpose I/O | Bi-directional ports with N-ch open-drain option, TTL input buffer, and pull-up resistors |
| P10/P11 | SPI/I²C/UART | Multi-function pins supporting SCK00/SCL00 and SI00/RxD0/SDA00 - configurable per peripheral mode |
| P20–P27 | Analog input | ANI0–ANI7 dedicated for 10-bit ADC; P20/P21 also serve as AVREFP/AVREFM reference inputs |
| RTC_CLK | Real-time clock input | Accepts 32.768 kHz crystal or external clock for calendar/timekeeping |
| CLKP/CLKM | High-speed oscillator | Differential input for external crystal (1–32 MHz) or connect to internal oscillator output |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.57 μA retention with RTC and LVD active - enables decade-scale battery life in metering |
| Self-programmable flash | Supports in-application firmware updates via boot swap and flash shield window |
| Integrated RTC with calendar | 99-year calendar, alarm, and clock correction - eliminates external RTC IC and backup battery |
| Background data flash rewrite | BGO allows concurrent code execution during 4 KB data flash writes - no interrupt latency penalty |
| Different-potential I/O | Interface directly with 1.8 V / 2.5 V / 3.0 V peripherals without level shifters |
| On-chip temperature sensor | Calibrated sensor usable for thermal monitoring or compensation in closed-loop systems |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Residential/utility electricity meter with tamper detection, tariff switching, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing EEPROM logging, and driving LCD/RF interface. Use Value: 64 KB flash stores dual tariff logic and security firmware; RTC enables accurate billing intervals; ultra-low STOP current extends battery backup to >10 years. | Use Scenario: Wireless vibration/temperature node in predictive maintenance system deployed in factory machinery. IC Role / Device Role / Timing Role: Sensor aggregator and edge preprocessor - reads analog/thermistor inputs, applies filtering, and schedules LoRaWAN transmissions. Use Value: 10-bit ADC with internal reference ensures stable sensor readings; 4 KB data flash logs time-stamped events; 0.57 μA STOP mode enables 5+ year coin-cell operation. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: Microcontroller in washing machine main board handling motor control, water level sensing, and UI feedback. IC Role / Device Role / Timing Role: Real-time task scheduler coordinating PWM motor drivers, ADC-based pressure sensing, and buzzer/key interrupt handling. Use Value: 32 MHz operation delivers responsive UI response; multi-channel UART/LIN interfaces communicate with display and motor driver ICs; 16 GPIOs support diverse actuator/sensor connections. | Use Scenario: Standalone HVAC zone controller with temperature/humidity sensing, valve actuation, and BACnet MS/TP communication. IC Role / Device Role / Timing Role: System-on-chip controller managing environmental sensing, PID loop execution, relay outputs, and serial protocol stack. Use Value: Integrated 3 UARTs support simultaneous RS-485 (BACnet), debug, and sensor interface; 1.6–5.5 V operation tolerates brownouts in building wiring; industrial temp grade (-40°C to +85°C) ensures reliability in unconditioned spaces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100JCDFA#X0 | Same 52-pin LQFP package, identical 64 KB flash/4 KB RAM, but lacks data flash memory | Not suitable for applications requiring nonvolatile parameter storage or field firmware updates | Select when data logging or secure configuration storage is unnecessary and cost optimization is critical |
| R5F101JEDFA#X0 | Pin-compatible variant without data flash; same core, peripherals, and package - differs only in data flash presence | Cannot execute background data flash operations or retain calibration data across resets | Choose for simpler firmware architectures where all parameters fit in RAM or external EEPROM |
Compared with R5F100JEDFA#X0, R5F100JCDFA#X0 removes data flash to reduce cost while retaining full code flash capability, whereas R5F101JEDFA#X0 omits data flash entirely - both require redesign of nonvolatile storage strategy but offer identical timing, I/O, and analog performance.
Availability
R5F100JEDFA#X0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and building automation panels requiring stable component supply, long lifecycle assurance, and industrial-temperature operation.
Supply support for R5F100JEDFA#X0 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Renesas Electronics is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G13 product line delivers ultra-low-power 16-bit MCUs targeting cost-sensitive, battery-operated, and industrial control applications - emphasizing energy efficiency, integrated peripherals, and simplified development.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100JEDFA#X0?
The R5F100JEDFA#X0 operates at up to 32 MHz, delivering 41 DMIPS of processing performance. Its RL78 CPU core supports variable instruction execution time - as fast as 0.03125 μs per instruction at full speed, or as slow as 30.5 μs at 32.768 kHz for ultra-low-power RTC operation. This flexibility allows dynamic clock scaling to match computational load and power budget in the R5F100JEDFA#X0 design.
Does the R5F100JEDFA#X0 include an integrated real-time clock (RTC) with calendar functionality?
Yes, the R5F100JEDFA#X0 integrates a full-featured RTC with calendar support covering 99 years, alarm generation, and clock correction capability. It operates independently in STOP mode with only 0.57 μA current draw when powered by VDD, enabling precise timekeeping without external components. The RTC uses the dedicated 32.768 kHz subsystem clock and is fully accessible via the R5F100JEDFA#X0's peripheral registers.
What are the analog capabilities of the R5F100JEDFA#X0, including ADC resolution and channel count?
The R5F100JEDFA#X0 features a 10-bit successive-approximation ADC with up to 16 input channels (ANI0–ANI15), selectable reference sources (VDD or internal 1.45 V), and integrated temperature sensor. It supports scan mode, hardware trigger, and conversion completion interrupts. The ADC operates across the full 1.6–5.5 V supply range, making it suitable for direct battery-sensed applications - a key capability confirmed in the R5F100JEDFA#X0 datasheet.
How does the R5F100JEDFA#X0 support firmware updates in the field?
The R5F100JEDFA#X0 supports robust in-system programming via its 64 KB code flash with boot swap functionality and flash shield window protection. Its 4 KB data flash enables background operation (BGO), allowing code execution from main flash while rewriting data flash - essential for safe parameter updates. These features, combined with on-chip debug and self-programming libraries, make the R5F100JEDFA#X0 suitable for secure, reliable field firmware upgrades without requiring external programmers.
What is the industrial temperature rating and supply voltage range supported by the R5F100JEDFA#X0?
The R5F100JEDFA#X0 is rated for industrial operation from –40°C to +85°C and supports a wide single-supply voltage range of 1.6 V to 5.5 V. This enables direct integration into battery-powered, energy-harvested, and mains-derived systems without external regulators in many cases. Its on-chip voltage detector (LVD) offers 14 programmable threshold levels for brown-out detection and reset control - a critical feature for reliability in the R5F100JEDFA#X0's target applications.
R5F100JEDFA#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-LQFP
- Series:
- RL78/G13
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 38
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100JEDFA#X0 FAQ
1.How can I place an order for R5F100JEDFA#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100JEDFA#X0 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R5F100JEDFA#X0 reliable?
The price and inventory of R5F100JEDFA#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100JEDFA#X0 is usually 5 days.
3.What payment methods are accepted for R5F100JEDFA#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100JEDFA#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100JEDFA#X0?
R5F100JEDFA#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100JEDFA#X0 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R5F100JEDFA#X0?
For technical support, including R5F100JEDFA#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100JEDFA#X0 requirements.
6.How does Aetrix verify that R5F100JEDFA#X0 is sourced from the original manufacturer or authorized distributors?
All R5F100JEDFA#X0 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R5F100JEDFA#X0 meets industry standards.
7.What is the process for return or replacement of R5F100JEDFA#X0?
All R5F100JEDFA#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100JEDFA#X0, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R5F100JEDFA#X0 part is unused and in its original packaging.
Return procedure for R5F100JEDFA#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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