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Renesas R5F101JEDFA#V0
- Part No.:
- R5F101JEDFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F101JEDFA#V0.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 52LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,935
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Product details
Overview
R5F101JEDFA#V0 from Renesas is a 52-pin LQFP-0.65mm microcontroller in the RL78/G13 family, featuring 64 KB flash memory, 4 KB data flash, 4 KB RAM, 16-bit RL78 CPU core, and ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD mode) for industrial control and sensor interface applications.
For engineers reviewing the R5F101JEDFA#V0 datasheet, R5F101JEDFA#V0 pinout, R5F101JEDFA#V0 application, or R5F101JEDFA#V0 equivalent, key selection criteria include its 52-pin LQFP package, industrial-grade -40°C to +85°C operation (D-grade), integrated 10-bit ADC (26 channels), real-time clock with calendar, and LIN-capable UART interfaces.
Technical Context
The R5F101JEDFA#V0 implements the RL78 CISC CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a 12-bit interval timer, 16-bit timers (12 channels), and a dedicated watchdog timer with low-speed on-chip oscillator.
Its peripheral set includes up to 26-channel 10-bit A/D converter with internal 1.45 V reference and temperature sensor, three I²C/Simplified I²C channels, two to four UART/LIN interfaces, and two to eight CSI (SPI-compatible) channels - all operating across 1.6–5.5 V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Flash Memory | 64 KB code flash with 1 KB block size, self-programming and boot swap support |
| Data Flash | 4 KB data flash with background operation (BGO) and 1M rewrite cycles (TYP) |
| RAM | 4 KB on-chip RAM, including dedicated areas for flash library use (start address FEF00H) |
| ADC | 10-bit resolution A/D converter with 26 analog inputs, internal 1.45 V reference, and temperature sensor |
| Operating Voltage | 1.6 V to 5.5 V single-supply operation with on-chip POR and 14-level LVD |
| Temperature Range | -40°C to +85°C (industrial D-grade), qualified for long-term reliability in embedded control |
Pinout & Package
Package: 52-pin LQFP (10 × 10 mm, 0.65-mm pitch), RoHS-compliant, tray packaging (#V0 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Serial Clock / I²C Clock | Shared pin for CSI0 clock or I²C0 clock; supports master/slave modes with programmable drive strength |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Serial Input / UART0 RX / Debug RX / I²C0 Data | Multi-function pin enabling SPI slave input, UART0 receive, on-chip debug communication, or I²C0 data line |
| P12/SO00/TxD0/TOOLTxD/SDA00 | Serial Output / UART0 TX / Debug TX / I²C0 Data | Enables full-duplex serial communication (CSI/UART), debug output, or bidirectional I²C data transfer |
| P13/INTP0/TOOLCLK | External Interrupt / Debug Clock | Configurable as edge-triggered interrupt input or JTAG/SWD clock input for programming and debugging |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Primary analog input channel; doubles as positive reference voltage input for ADC when external reference used |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Secondary analog input; serves as negative reference for differential ADC measurements or AVSS reference |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE mode operation | Enables low-latency wake-up from ultra-low-power state while preserving peripheral context for fast response to events |
| Background operation (BGO) | Allows concurrent program execution from flash while rewriting data flash - critical for firmware updates without interruption |
| Dedicated LIN-capable UART | Hardware LIN bus support (LIN 2.1/2.2) with automatic sync-break detection and checksum generation for automotive body electronics |
| On-chip temperature sensor | Integrated calibrated sensor with ±3°C accuracy enables thermal monitoring without external components in HVAC or motor drives |
| Real-time clock (RTC) | Calendar function (99-year range), alarm, and clock correction support battery-backed timekeeping in metering and data loggers |
Applications
| Industrial Sensor Node | Smart Thermostat Controller |
|---|---|
|
Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and air quality data at 10-second intervals. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC-timed data logging, and low-power sleep/wake cycles. Use Value: 0.57 μA STOP mode with RTC+LVD extends battery life beyond 5 years using CR2032; integrated temperature sensor eliminates BOM cost. |
Use Scenario: Residential HVAC control unit requiring precise temperature regulation, user interface, and wireless connectivity coordination. IC Role / Device Role / Timing Role: Central MCU handling PID loop timing, display refresh, button debounce, and UART-based communication with Wi-Fi module. Use Value: 26-channel ADC supports multi-sensor fusion (NTC, thermistor, ambient light); LIN-capable UART simplifies integration with legacy HVAC actuators. |
| Programmable Logic Controller (PLC) I/O Module | Energy Metering Front-End |
|
Use Scenario: DIN-rail mounted I/O expansion module converting digital inputs/outputs and analog signals for factory automation. IC Role / Device Role / Timing Role: Real-time I/O processor with deterministic interrupt latency, PWM generation, and isolated communication interface management. Use Value: 12-channel 16-bit timer supports precise PWM for valve control; 1.6–5.5 V operation ensures compatibility with 3.3 V and 5 V fieldbus logic levels. |
Use Scenario: Revenue-grade electricity meter measuring voltage, current, and power factor via shunt or CT sensors. IC Role / Device Role / Timing Role: Metrology co-processor performing ADC calibration, RMS calculation, and tamper detection logic alongside main SoC. Use Value: Internal 1.45 V reference provides stable ADC reference independent of supply variation; 4 KB data flash stores calibration coefficients with 1M-cycle endurance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101JCDFA#V0 | Same 52-pin LQFP package, 48 KB flash, 4 KB data flash, 3 KB RAM - reduced code capacity but identical peripheral set and power profile | Targeted at cost-sensitive designs where firmware footprint remains under 48 KB; retains full RTC, ADC, and LIN UART functionality | Select when application firmware fits within 48 KB and BOM cost optimization is prioritized over future code growth headroom |
| R5F101JEDFB#V0 | Identical memory and peripheral configuration, but in 52-pin LFQFP (0.5-mm pitch) package - smaller footprint, tighter layout constraints | Suitable for space-constrained PCBs where 10×10 mm LQFP is unavailable; requires rework of land pattern and stencil design | Choose only when board area is critical and assembly process supports 0.5-mm pitch; no electrical or functional change from R5F101JEDFA#V0 |
Compared with R5F101JCDFA#V0 and R5F101JEDFB#V0, the R5F101JEDFA#V0 offers optimal balance of code headroom (64 KB), industrial temperature rating, and standard LQFP manufacturability - making it the preferred choice for new designs requiring scalability and broad production support.
Availability
R5F101JEDFA#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat controllers, and PLC I/O modules requiring stable component supply, long lifecycle assurance, and qualified industrial-grade performance.
Supply support for R5F101JEDFA#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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G13 product line delivers true low-power embedded control with optimized energy efficiency, integrated peripherals, and robust industrial qualification - designed specifically for cost-sensitive, battery-operated, and harsh-environment applications.
FAQ
What is the maximum operating frequency of the R5F101JEDFA#V0?
The R5F101JEDFA#V0 supports up to 32 MHz operation using the high-speed on-chip oscillator with ±1.0% accuracy across 1.8–5.5 V and -20°C to +85°C. Its minimum instruction execution time is 0.03125 μs at this frequency, enabling 41 DMIPS performance for real-time control tasks.
Does the R5F101JEDFA#V0 include a hardware LIN transceiver?
No, the R5F101JEDFA#V0 integrates LIN protocol support in its UART peripheral (including sync-break detection and checksum generation), but requires an external LIN transceiver IC (e.g., TJA1020 or BU1850) for physical layer compliance. This separation allows flexible bus voltage and fault protection design.
How much of the on-chip RAM is reserved for flash library operations in the R5F101JEDFA#V0?
The R5F101JEDFA#V0 uses RAM starting at address FEF00H for flash self-programming and data flash rewriting operations. This 256-byte region is reserved by the Renesas Flash Self-Programming Library and must be excluded from application variable allocation to prevent corruption during firmware updates.
Can the R5F101JEDFA#V0 operate from a 1.8 V supply?
Yes, the R5F101JEDFA#V0 supports 1.6 V to 5.5 V single-supply operation. At 1.8 V, it can run at up to 8 MHz (per datasheet DC characteristics), enabling ultra-low-power operation in energy-harvesting or coin-cell powered systems while maintaining full peripheral functionality including ADC and RTC.
What debug interface does the R5F101JEDFA#V0 support?
The R5F101JEDFA#V0 supports on-chip debugging via the single-wire debug (SWD) interface using pins P13 (TOOLCLK) and P11/P12 (TOOLRxD/TOOLTxD). It is compatible with Renesas E2 emulator and third-party tools supporting SWD, enabling full breakpoint, trace, and flash programming capabilities.
R5F101JEDFA#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- 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:
- -
- 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:
R5F101JEDFA#V0 FAQ
1.How can I place an order for R5F101JEDFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101JEDFA#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 R5F101JEDFA#V0 reliable?
The price and inventory of R5F101JEDFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101JEDFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F101JEDFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101JEDFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101JEDFA#V0?
R5F101JEDFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101JEDFA#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 R5F101JEDFA#V0?
For technical support, including R5F101JEDFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101JEDFA#V0 requirements.
6.How does Aetrix verify that R5F101JEDFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101JEDFA#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 R5F101JEDFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F101JEDFA#V0?
All R5F101JEDFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101JEDFA#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 R5F101JEDFA#V0 part is unused and in its original packaging.
Return procedure for R5F101JEDFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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