Renesas R5F100JEDFA#V0
- Part No.:
- R5F100JEDFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F100JEDFA#V0.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 52LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F100JEDFA#V0 from Renesas is a 52-pin LQFP-0.65mm, industrial-grade RL78/G13 16-bit microcontroller with 64 KB flash, 4 KB data flash, 4 KB RAM, 10-bit ADC (12-channel), and real-time clock - deployed in battery-powered sensor nodes and industrial control panels requiring ultra-low power and deterministic timing.
For engineers reviewing the R5F100JEDFA#V0 datasheet, R5F100JEDFA#V0 pinout, R5F100JEDFA#V0 application, or R5F100JEDFA#V0 equivalent, key selection criteria include its 64 KB code flash with self-programming, 0.57 μA STOP-mode current, 32 MHz max CPU speed, integrated RTC with calendar/alarm, and support for LIN-bus UART and I²C interfaces in a compact 10×10 mm LQFP package.
Technical Context
The R5F100JEDFA#V0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates dual-clock domains: high-speed on-chip oscillator (±1.0% accuracy, 1–32 MHz selectable) and dedicated low-speed oscillator for RTC/WDT.
Its peripheral set includes 2–4 DMA channels, 8–16 × 16-bit timers, 12-bit interval timer, 10-bit A/D converter with internal 1.45 V reference and temperature sensor, and serial interfaces including CSI (SPI-compatible), UART/LIN, and I²C - all configurable via register-based control without external glue logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic interrupt latency and efficient code density for embedded control. |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS performance while maintaining 66 μA/MHz active current efficiency. |
| Memory Configuration | 64 KB code flash + 4 KB data flash + 4 KB RAM - supports background operation (BGO) during data flash rewrite and boot-swap firmware updates. |
| Low-Power Modes | Halt (0.23 μA), Stop (0.57 μA with RTC+LVD active), Snooze - enables multi-year battery life in metering and IoT edge nodes. |
| Analog Peripherals | 10-bit ADC with 12 input channels, internal 1.45 V reference, and integrated temperature sensor - eliminates need for external references in thermal monitoring. |
| Serial Interfaces | Up to 4 UART/LIN channels, 3–10 I²C channels, 2–8 CSI (SPI-compatible) channels - supports mixed-protocol communication in multi-sensor systems. |
| Real-Time Clock | Calendar function (99-year range), alarm, and clock correction - provides accurate timekeeping without external crystal or RTC IC. |
Pinout & Package
Package: 52-pin LQFP (10 × 10 mm, 0.65 mm pitch), RoHS-compliant, industrial temperature grade (−40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI clock / I²C clock | Shared pin supports master/slave SPI or I²C communication; requires software-configurable pull-up for I²C bus compliance. |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI input / UART receive / debug RX / I²C data | Multi-function pin enabling in-system programming via UART, sensor data acquisition via SPI, or I²C slave interface - reduces BOM count. |
| P12/SO00/TxD0/TOOLTxD/SDA10 | SPI output / UART transmit / debug TX / I²C data | Enables full-duplex SPI, bidirectional UART, or dual I²C bus access; TOOLx functions support Renesas E1/E20 debugger connection. |
| P13/INTP0/ANI3 | External interrupt / analog input | Combines wake-up-capable edge-triggered interrupt with ADC channel - ideal for event-driven sensing (e.g., door open detection + voltage monitoring). |
| P20/ANI0/AVREFP | Analog input / ADC reference positive | Configurable as primary ADC input or precision reference voltage source - allows ratiometric measurements using external sensors. |
| P21/ANI1/AVREFM | Analog input / ADC reference negative | Provides differential reference pair with P20; enables true differential ADC operation for noise-immune signal conditioning. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.57 μA with RTC and LVD active - extends battery life in always-on monitoring applications without compromising timekeeping. |
| On-chip data flash with BGO | 4 KB data flash supports background rewriting while executing code from main flash - enables seamless firmware parameter updates without system interruption. |
| Integrated LIN-bus UART | UART channel compliant with LIN 2.2 protocol - eliminates need for external LIN transceiver in automotive body electronics and HVAC controls. |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations - accelerates motor control algorithms and digital filtering without software overhead. |
| Dedicated low-speed oscillator | 32.768 kHz oscillator for RTC/WDT - ensures accurate timekeeping and watchdog supervision independent of main clock domain failures. |
Applications
| Smart Energy Metering | Industrial Sensor Hub |
|---|---|
|
Use Scenario: Residential electricity meter with pulse counting, tamper detection, and wireless reporting. IC Role / Device Role / Timing Role: Main controller managing metrology ADC sampling, RTC-based billing intervals, and UART-to-LoRaWAN gateway interface. Use Value: 0.57 μA STOP mode enables >10-year battery backup; integrated LIN/UART supports legacy HAN communication; 64 KB flash accommodates secure OTA update stack. |
Use Scenario: DIN-rail mounted environmental sensor node measuring temperature, humidity, and CO₂ across factory zones. IC Role / Device Role / Timing Role: Central aggregator reading multiple I²C sensors, logging data to internal flash, and transmitting via RS-485 Modbus. Use Value: 12-channel 10-bit ADC with internal reference eliminates external precision references; BGO enables continuous logging during firmware updates; 4 KB data flash stores calibration coefficients. |
| Home Appliance Control | Building Automation Panel |
|
Use Scenario: Washing machine main board controlling motor drive, water level, and user interface. IC Role / Device Role / Timing Role: Real-time motor commutation timing via 16-bit timers, ADC-based current sensing, and buzzer/LED driver via on-chip clock output. Use Value: 41 DMIPS at 32 MHz ensures responsive UI and precise PWM generation; hardware multiplier accelerates FOC calculations; 66 μA/MHz active current reduces thermal load. |
Use Scenario: HVAC control panel managing zone dampers, fan speed, and occupancy-based scheduling. IC Role / Device Role / Timing Role: System supervisor coordinating CAN/LIN fieldbus communication, RTC-based schedule engine, and keypad/LED status interface. Use Value: Integrated RTC with calendar/alarm enables precise time-of-day scheduling; LIN UART reduces component count vs discrete transceivers; 52-pin LQFP fits constrained PCB layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100JEGFA#V0 | Same package and memory (64 KB flash/4 KB data flash), but rated for −40°C to +105°C (G-grade) and includes enhanced ESD protection. | Required for under-hood automotive or high-temperature industrial enclosures where ambient exceeds +85°C. | Select when extended temperature operation or higher reliability certification (e.g., AEC-Q100) is mandated. |
| R5F101JEDFA#V0 | Identical pinout and peripherals, but lacks data flash memory (0 KB); retains same 64 KB code flash and 4 KB RAM. | Suitable for cost-sensitive applications where parameter storage is handled externally or not required. | Choose to reduce BoM cost where EEPROM or external flash suffices for configuration storage. |
Compared with R5F100JEDFA#V0, the R5F100JEGFA#V0 adds extended temperature capability and robustness for harsh environments, while the R5F101JEDFA#V0 removes data flash to lower unit cost - both retain identical code flash size, peripheral set, and LQFP-52 footprint for design reuse.
Availability
R5F100JEDFA#V0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor hubs, home appliance control, and building automation panels requiring stable component supply and long-term industrial lifecycle support.
Supply support for R5F100JEDFA#V0 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, and power solutions for automotive, industrial, and IoT markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power general-purpose applications - designed to replace legacy 8-bit MCUs with enhanced integration, energy efficiency, and toolchain compatibility.
FAQ
What is the maximum operating frequency and power consumption of the R5F100JEDFA#V0?
The R5F100JEDFA#V0 operates up to 32 MHz with 41 DMIPS performance and achieves 66 μA/MHz active current. In STOP mode with RTC and LVD enabled, it draws only 0.57 μA - verified per R01DS0131EJ0380 datasheet Section 1.1. This makes R5F100JEDFA#V0 suitable for battery-powered devices requiring multi-year operation without maintenance.
Does the R5F100JEDFA#V0 include an integrated real-time clock (RTC)?
Yes, the R5F100JEDFA#V0 integrates a full-featured RTC with calendar support (99-year range), alarm function, and clock correction - all operating independently using the dedicated 32.768 kHz oscillator. This eliminates external RTC ICs in time-critical applications like energy metering and HVAC scheduling, and is confirmed in Section 1.1 "Timer" of the R5F100JEDFA#V0 datasheet.
Can the R5F100JEDFA#V0 perform background data flash writes while executing code?
Yes, the R5F100JEDFA#V0 supports Background Operation (BGO) for its 4 KB data flash memory, allowing program execution from code flash during data flash erase/write cycles. This capability is documented in Section 1.1 "Data Flash Memory" and enables seamless firmware parameter updates without halting application logic - a key feature of the R5F100JEDFA#V0.
What serial communication interfaces does the R5F100JEDFA#V0 support?
The R5F100JEDFA#V0 supports three major serial protocols: CSI (SPI-compatible), UART/LIN (up to 4 channels, LIN 2.2 compliant), and I²C (up to 10 channels). These are implemented in hardware with dedicated registers and interrupt vectors - no bit-banging required. Interface mapping and pin assignments for R5F100JEDFA#V0 are detailed in Section 1.3 Pin Configuration and Table 1-1 of the datasheet.
Is the R5F100JEDFA#V0 pin-compatible with other RL78/G13 variants in the same package?
Yes, all RL78/G13 devices in the 52-pin LQFP-0.65mm package (e.g., R5F100JCAFA#V0, R5F100JGAFA#V0, R5F100JEDFA#V0) share identical pinouts and electrical characteristics. This allows direct substitution within the same memory/peripheral configuration tier - confirmed by consistent pin definitions across Table 1-1 and Figure 1-1 in the R5F100JEDFA#V0 datasheet.
R5F100JEDFA#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- 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#V0 FAQ
1.How can I place an order for R5F100JEDFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100JEDFA#V0 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#V0 reliable?
The price and inventory of R5F100JEDFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100JEDFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F100JEDFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100JEDFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100JEDFA#V0?
R5F100JEDFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100JEDFA#V0 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#V0?
For technical support, including R5F100JEDFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100JEDFA#V0 requirements.
6.How does Aetrix verify that R5F100JEDFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100JEDFA#V0 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#V0 meets industry standards.
7.What is the process for return or replacement of R5F100JEDFA#V0?
All R5F100JEDFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100JEDFA#V0, 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#V0 part is unused and in its original packaging.
Return procedure for R5F100JEDFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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