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Renesas R5F101JDAFA#V0
- Part No.:
- R5F101JDAFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F101JDAFA#V0.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 52LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,677
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Product details
Overview
R5F101JDAFA#V0 from Renesas is a 52-pin LQFP-0.65mm, industrial-grade (−40°C to +85°C) RL78/G13 16-bit MCU with 64 KB flash, 4 KB data flash, 4 KB RAM, 10-bit ADC (12-channel), and integrated RTC/LVD - deployed in battery-powered sensor nodes and industrial control interfaces.
For engineers reviewing the R5F101JDAFA#V0 datasheet, R5F101JDAFA#V0 pinout, R5F101JDAFA#V0 application, or R5F101JDAFA#V0 equivalent, key selection criteria include ultra-low-power operation (0.57 μA in RTC+LVD mode), on-chip debug support, self-programmable flash with boot swap, and compatibility with Renesas' RL78 development ecosystem including CS+ and e² studio.
Technical Context
The R5F101JDAFA#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/watchdog.
Its peripheral set includes 2× UART/LIN, 3× I²C, 2× CSI/SPI, 8× 16-bit timers, 12-bit interval timer, real-time clock with calendar/alarm, and DMA controller with 2 channels - all configurable via register-based control without external glue logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Flash / Data Flash / RAM | 64 KB code flash, 4 KB data flash (1M rewrite cycles), 4 KB SRAM |
| Operating Voltage | 1.6 V to 5.5 V - supports direct Li-ion, 3.3 V, and 5 V rail operation |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE |
| ADC | 10-bit resolution, 12 analog input channels, internal 1.45 V reference & temp sensor |
| Timers & RTC | 8× 16-bit timers, 1× 12-bit interval timer, 1× calendar RTC with alarm/correction |
| Serial Interfaces | 2× UART/LIN, 3× I²C, 2× CSI (SPI-compatible), all with independent clock sources |
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 function pin supporting master/slave SPI clock or I²C SCL with open-drain capability |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI Input / UART RX / Debug RX / I²C Data | Multi-function pin enabling serial comms, on-chip debugging, and I²C slave interface |
| P12/SO00/TxD0/TOOLTxD/SDA00 | SPI Output / UART TX / Debug TX / I²C Data | Enables full-duplex SPI, UART, debug, and bidirectional I²C communication on single pin |
| P13/INTP0/ANI3 | External Interrupt / ADC Input | Combines edge-triggered interrupt capability with analog channel 3 for wake-on-event sensing |
| P20/ANI0/AVREFP | ADC Channel 0 / Analog Reference Positive | Primary analog input with selectable AVREFP source - critical for precision sensor signal acquisition |
| P21/ANI1/AVREFM | ADC Channel 1 / Analog Reference Negative | Provides differential reference pair with P20; enables ratiometric measurement against internal 1.45 V ref |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA with RTC + LVD active - enables >10-year battery life in metering applications |
| Self-programmable flash | Boot-swap and flash shield window enable secure field firmware updates without external programmer |
| Background operation (BGO) | Execute code from flash while rewriting data flash - eliminates runtime interruption during logging |
| Dual clock domain | Independent high-speed (1–32 MHz) and low-speed (32.768 kHz) oscillators - ensures timing integrity across power modes |
| On-chip debug interface | Fully integrated FINE v2 debug circuit - supports breakpoints, watchpoints, and real-time trace via single-pin SWD |
Applications
| Smart Utility Metering | Industrial Sensor Hub |
|---|---|
|
Use Scenario: Battery-powered water/gas meter with pulse counting, temperature compensation, and wireless upload. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC timestamping, LIN bus communication to display module, and low-power wake scheduling. Use Value: 0.57 μA STOP mode extends battery life beyond 12 years; integrated LVD prevents data corruption during brown-out events. |
Use Scenario: DIN-rail mounted environmental sensor node aggregating temperature, humidity, and CO₂ via analog/digital sensors. IC Role / Device Role / Timing Role: Central data concentrator with 12-channel ADC, UART-to-RS485 bridge, and RTC-synchronized data logging to external EEPROM. Use Value: BGO allows continuous sensor polling while writing logs to data flash - no missed readings during write cycles. |
| Home Appliance Control | Factory Automation I/O Module |
|
Use Scenario: Washing machine main control board requiring motor commutation timing, user interface scanning, and safety monitoring. IC Role / Device Role / Timing Role: Real-time executor of PWM-driven BLDC motor control, capacitive touch scan, and watchdog-monitored fault detection. Use Value: 8× 16-bit timers provide precise phase-aligned PWM outputs; N-ch open-drain I/O supports direct connection to 3.3 V/5 V peripherals. |
Use Scenario: Modular PLC expansion I/O unit with digital input debouncing, relay drive, and CAN bus gateway functionality. IC Role / Device Role / Timing Role: Interface processor handling opto-isolated DI/DO control, UART-to-CAN translation, and cyclic status reporting. Use Value: 2× UART with LIN support enables legacy bus bridging; 16-bit timer capture resolves fast edge transitions on industrial inputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101JEAFA#V0 | Same package and pinout; 96 KB flash, 8 KB data flash, 8 KB RAM | Higher memory headroom for complex protocol stacks (e.g., Modbus TCP + OTA) | Select when firmware size exceeds 64 KB or extended data logging duration is required |
| R5F100JDAFA#V0 | Same footprint and peripherals; includes 4 KB data flash + 8 KB RAM (vs. R5F101JDAFA#V0's 4 KB RAM only) | Enhanced data buffering for high-frequency sensor fusion or multi-channel logging | Choose when additional RAM is needed for real-time FFT or ring-buffered streaming |
Compared with R5F101JDAFA#V0, R5F101JEAFA#V0 offers scalable flash for feature-rich firmware, while R5F100JDAFA#V0 trades data flash retention for larger RAM - making each optimal for distinct memory-access patterns in embedded control.
Availability
R5F101JDAFA#V0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor hubs, and home appliance control requiring stable component supply, long-term lifecycle assurance, and industrial-temperature reliability.
Supply support for R5F101JDAFA#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 ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications where energy efficiency, integration, and toolchain maturity are critical.
FAQ
What is the maximum operating frequency of the R5F101JDAFA#V0?
The R5F101JDAFA#V0 supports up to 32 MHz operation using its high-speed on-chip oscillator, delivering 41 DMIPS performance. Its minimum instruction execution time is 0.03125 μs under this condition, and it also supports ultra-low-speed operation down to 32.768 kHz for RTC and low-power wake-up functions - all within the same R5F101JDAFA#V0 device.
Does the R5F101JDAFA#V0 include an integrated real-time clock (RTC)?
Yes, the R5F101JDAFA#V0 integrates a full-featured RTC with calendar support (99-year range), alarm interrupt, and clock correction function. It operates independently using the dedicated 32.768 kHz subsystem clock and remains functional in STOP mode at just 0.57 μA - a core capability confirmed in the R5F101JDAFA#V0 datasheet Section 1.1.
Can the R5F101JDAFA#V0 perform flash self-programming during runtime?
Yes, the R5F101JDAFA#V0 supports self-programming of both code and data flash memory with boot-swap and flash shield window functions. Background operation (BGO) allows instruction execution from program memory while rewriting data flash - a verified capability used in firmware update and data logging implementations for the R5F101JDAFA#V0.
What debug interface does the R5F101JDAFA#V0 use?
The R5F101JDAFA#V0 uses Renesas' FINE v2 on-chip debug interface, accessible via a single-pin SWD (Serial Wire Debug) connection. This enables full breakpoint, watchpoint, and real-time trace capabilities without requiring JTAG pins - a standard feature across all RL78/G13 devices including the R5F101JDAFA#V0.
Is the R5F101JDAFA#V0 pin-compatible with other RL78/G13 variants in the 52-pin LQFP package?
Yes, the R5F101JDAFA#V0 shares identical pin configuration and electrical characteristics with all other RL78/G13 52-pin LQFP variants (e.g., R5F101JEAFA#V0, R5F100JDAFA#V0), as defined in the RL78/G13 Pin Configuration diagrams (Section 1.3.6). This allows drop-in replacement within the same package family - confirmed by Renesas' official pinout documentation for the R5F101JDAFA#V0.
R5F101JDAFA#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:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 3K 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:
R5F101JDAFA#V0 FAQ
1.How can I place an order for R5F101JDAFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101JDAFA#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 R5F101JDAFA#V0 reliable?
The price and inventory of R5F101JDAFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101JDAFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F101JDAFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101JDAFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101JDAFA#V0?
R5F101JDAFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101JDAFA#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 R5F101JDAFA#V0?
For technical support, including R5F101JDAFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101JDAFA#V0 requirements.
6.How does Aetrix verify that R5F101JDAFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101JDAFA#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 R5F101JDAFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F101JDAFA#V0?
All R5F101JDAFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101JDAFA#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 R5F101JDAFA#V0 part is unused and in its original packaging.
Return procedure for R5F101JDAFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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