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Renesas R5F101JEAFA#V0
- Part No.:
- R5F101JEAFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F101JEAFA#V0.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 52LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,548
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Product details
Overview
R5F101JEAFA#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, 10-bit ADC with 26 channels, and real-time clock with calendar function - deployed in battery-powered industrial sensors and low-power metering systems.
For engineers reviewing the R5F101JEAFA#V0 datasheet, R5F101JEAFA#V0 pinout, R5F101JEAFA#V0 application, or R5F101JEAFA#V0 equivalent, key selection criteria include ultra-low power operation (0.57 μA in RTC+LVD mode), 32 MHz max CPU speed, integrated LIN-capable UART, and support for self-programming with boot swap functionality.
Technical Context
The R5F101JEAFA#V0 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), and operates across 1.6–5.5 V supply with -40°C to +85°C industrial temperature range.
It integrates DMA controller (4 channels), 16-bit timer (12 channels), interval timer, watchdog timer, and serial interfaces including CSI (SPI-compatible), UART/LIN (2 channels), and I²C (up to 10 channels), all optimized for deterministic real-time control in resource-constrained embedded designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz - enables 41 DMIPS performance for real-time control loops |
| Flash Memory | 64 KB code flash - sufficient for complex sensor fusion firmware with bootloader |
| Data Flash | 4 KB - supports 1M erase/write cycles for nonvolatile parameter storage without external EEPROM |
| RAM | 4 KB - accommodates stack, heap, and real-time buffers for multi-tasking RTOS use |
| ADC | 10-bit resolution, 26 input channels - allows simultaneous monitoring of multiple analog sensors |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA), SNOOZE - extends battery life in intermittent-sampling applications |
Pinout & Package
Package: 52-pin LQFP, 10 × 10 mm, 0.65-mm pitch, lead-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains support mixed-voltage I/O interfacing (1.8/2.5/3.0 V) |
| P10/SCK00/SCL00 | Serial clock output/input | Shared SPI clock or I²C clock - enables dual-protocol peripheral connectivity |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Serial data input / UART receive / I²C data | Multi-function pin supports debug communication (TOOLRxD) and LIN bus physical layer |
| P20/ANI0/AVREFP | Analog input / ADC reference positive | Configurable as primary ADC channel or precision voltage reference source |
| P21/ANI1/AVREFM | Analog input / ADC reference negative | Enables differential ADC measurements and internal reference calibration |
| RESET | Active-low reset input | Accepts external reset signal or internal POR/LVD assertion - ensures deterministic startup |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.57 μA with RTC + LVD active - enables >10-year battery life in smart utility meters |
| On-chip data flash | 4 KB with background operation (BGO) - permits firmware updates while maintaining real-time control |
| LIN-capable UART | UART0/1 support LIN 2.2 protocol - eliminates need for external transceiver in automotive body electronics |
| Self-programming with boot swap | Enables secure over-the-air (OTA) firmware upgrades with rollback capability |
| Temperature sensor & internal VREF | Integrated 1.45 V reference and calibrated temperature sensor - reduces BOM cost and PCB area |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Electricity/water/gas meter with pulse counting, tamper detection, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller managing metrology ADC, RTC-based billing intervals, and sub-GHz RF interface timing. Use Value: 64 KB flash stores encryption libraries and firmware update logic; 0.57 μA STOP mode meets IEC 62053-21 Class 0.5S standby requirements. |
Use Scenario: Wireless vibration/temperature/humidity node in predictive maintenance systems. IC Role / Device Role / Timing Role: Sensor hub aggregating analog/digital inputs, executing FFT preprocessing, and scheduling BLE transmissions. Use Value: 26-channel ADC captures multi-axis accelerometer data; SNOOZE mode enables wake-on-event with <10 μs latency. |
| Home Appliance Control | Automotive Body Electronics |
Use Scenario: Washing machine main control board with motor drive, water level sensing, and user interface. IC Role / Device Role / Timing Role: Real-time coordinator of PWM motor control, touch-key scanning, and display refresh via SPI. Use Value: 12-channel 16-bit timers generate precise motor phase signals; on-chip BCD correction simplifies time-of-day display logic. |
Use Scenario: Door module controlling window lift, mirror fold, and interior lighting with LIN communication. IC Role / Device Role / Timing Role: LIN slave node managing actuator drivers, switch debouncing, and diagnostic reporting. Use Value: Integrated LIN-capable UART reduces component count; 1.6–5.5 V operation tolerates automotive battery transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101JFAFA#V0 | 96 KB flash, 8 KB RAM, same package and peripherals | Supports larger firmware images and deeper RTOS stacks | Select when firmware size exceeds 64 KB or additional RAM is required for data logging |
| R5F100JEAFA#V0 | Includes 4 KB data flash (same as R5F101JEAFA#V0) but adds 8 KB code flash and 12 KB RAM | Offers enhanced memory headroom for future feature expansion | Choose if design requires field-upgradable calibration tables or extended buffer space for OTA updates |
Compared with R5F101JEAFA#V0, R5F101JFAFA#V0 provides 50% more flash for complex control algorithms, while R5F100JEAFA#V0 adds both flash and RAM headroom - both retain identical pinout, peripheral set, and power profile, enabling drop-in upgrades where memory constraints tighten.
Availability
R5F101JEAFA#V0 is available at Aetrix Electronics and suitable for smart metering, industrial IoT sensor nodes, home appliance control, and automotive body electronics requiring stable component supply and long-term lifecycle assurance.
Supply support for R5F101JEAFA#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 industrial, automotive, and enterprise markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power embedded applications - delivering high integration and energy efficiency for battery-operated and energy-harvesting systems.
FAQ
What is the operating voltage range of the R5F101JEAFA#V0?
The R5F101JEAFA#V0 operates from 1.6 V to 5.5 V, enabling direct compatibility with single-cell Li-ion, 3.3 V, and 5 V system rails - critical for flexible power architecture in portable and industrial equipment where supply voltage may vary across product variants.
Does the R5F101JEAFA#V0 support LIN bus communication?
Yes, the R5F101JEAFA#V0 includes UART peripherals that support LIN 2.2 protocol in master and slave modes - verified in Renesas Application Note R01AN3715, allowing direct connection to standard LIN transceivers without software emulation overhead.
How many analog input channels does the R5F101JEAFA#V0 provide?
The R5F101JEAFA#V0 features a 10-bit ADC with up to 26 analog input channels - confirmed in Section 1.1 "Features" and Table 1-1 of the R01DS0131EJ0380 datasheet - supporting simultaneous acquisition from multiple sensors in compact industrial control units.
What is the maximum CPU performance of the R5F101JEAFA#V0?
The R5F101JEAFA#V0 delivers 41 DMIPS at 32 MHz, achieved using the RL78 core's 3-stage pipeline and optimized instruction set - measured per EEMBC CoreMark benchmark and specified in the device overview on page 1 of R01DS0131EJ0380.
Is the R5F101JEAFA#V0 pin-compatible with other RL78/G13 devices in the 52-pin LQFP package?
Yes, all RL78/G13 52-pin LQFP variants - including R5F101JEAFA#V0, R5F101JFAFA#V0, and R5F100JEAFA#V0 - share identical pinout and footprint per Figure 1-1 and Table 1-1 in R01DS0131EJ0380, enabling hardware reuse across memory-graded SKUs.
R5F101JEAFA#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:
- -
- 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:
R5F101JEAFA#V0 FAQ
1.How can I place an order for R5F101JEAFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101JEAFA#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 R5F101JEAFA#V0 reliable?
The price and inventory of R5F101JEAFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101JEAFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F101JEAFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101JEAFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101JEAFA#V0?
R5F101JEAFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101JEAFA#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 R5F101JEAFA#V0?
For technical support, including R5F101JEAFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101JEAFA#V0 requirements.
6.How does Aetrix verify that R5F101JEAFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101JEAFA#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 R5F101JEAFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F101JEAFA#V0?
All R5F101JEAFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101JEAFA#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 R5F101JEAFA#V0 part is unused and in its original packaging.
Return procedure for R5F101JEAFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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