Renesas R5F101JGAFA#30
- Part No.:
- R5F101JGAFA#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F101JGAFA#30.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 52LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:472
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Product details
Overview
R5F101JGAFA#30 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 battery-powered industrial control and sensor interface applications.
For engineers reviewing the R5F101JGAFA#30 datasheet, R5F101JGAFA#30 pinout, R5F101JGAFA#30 application, or R5F101JGAFA#30 equivalent, key selection criteria include its 52-pin LQFP package, absence of on-chip data flash (R5F101x series), -40°C to +85°C industrial temperature grade (D suffix), and integrated 10-bit ADC with up to 26 channels, RTC, and multiple serial interfaces (UART, CSI, I²C).
Technical Context
The R5F101JGAFA#30 implements the RL78 CISC CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (@32 MHz high-speed oscillator) to 30.5 μs (@32.768 kHz subsystem clock). It integrates a 12-bit interval timer, real-time clock with calendar/alarm, watchdog timer, and DMA controller with 2 channels.
Its peripheral set includes an 8/10-bit A/D converter with internal 1.45 V reference and temperature sensor, up to 16 channels of 16-bit timers, 3–10 I²C/Simplified I²C channels, 2–4 UART/LIN channels, and 2–8 CSI (SPI-compatible) channels - all operating across 1.6–5.5 V supply and -40°C to +85°C ambient 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; no on-chip data flash (R5F101x series designation) |
| RAM | 4 KB on-chip RAM for variables, stack, and peripheral buffers |
| Supply Voltage | 1.6 V to 5.5 V - supports direct connection to Li-ion, alkaline, or regulated 3.3 V/5 V rails |
| Power Consumption | 66 μA/MHz active current; 0.57 μA in STOP mode with RTC + LVD enabled |
| ADC Resolution | 10-bit A/D converter with 26 analog input channels and internal 1.45 V reference |
| Operating Temperature | -40°C to +85°C (industrial grade, "D" field-of-application suffix) |
Pinout & Package
Package: 52-pin LQFP (10 × 10 mm, 0.65-mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI Clock / I²C Clock | Shared pin for CSI0 clock or I²C0 clock; requires software configuration |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI Input / UART RX / I²C Data | Multi-function pin supporting serial receive, SPI input, or I²C bidirectional data |
| P12/SO00/TxD0/TOOLTxD | SPI Output / UART TX | Configurable as SPI output or UART transmit; enables debug communication via TOOL interface |
| P13/INTP0/TOOLCLK | External Interrupt / Debug Clock | Supports edge-triggered wake-up from low-power modes and JTAG/SW-DP clock input |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Primary analog input channel; doubles as positive reference for ADC measurements |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Secondary analog input; serves as negative reference for differential ADC operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA retention with RTC and LVD active - enables multi-year battery life in metering |
| On-chip high-accuracy oscillator | +/-1.0% tolerance over 1.8–5.5 V and -20 to +85°C - eliminates external crystal for cost-sensitive designs |
| Background data flash rewriting | BGO allows code execution from flash while updating 4 KB data flash - enables firmware-over-the-air updates |
| DMA with 2-channel support | 2-clock transfer between SFR and RAM - reduces CPU load during ADC sampling or serial streaming |
| Multi-protocol serial interface | Hardware support for UART (LIN-capable), CSI (SPI-compatible), and I²C on shared pins - simplifies sensor/actuator connectivity |
| Integrated RTC with calendar | 99-year calendar, alarm, and clock correction - eliminates need for external real-time clock IC |
Applications
| Industrial Sensor Node | Smart Energy Meter |
|---|---|
|
Use Scenario: Battery-powered wireless temperature/humidity node with BLE gateway interface. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC timestamping, low-power scheduling, and UART-to-BLE bridge logic. Use Value: 0.57 μA STOP mode extends 2xAA battery life beyond 5 years; integrated 10-bit ADC and 26-channel input eliminate external signal conditioning. |
Use Scenario: DIN-rail mounted electricity meter with pulse counting, tariff switching, and tamper detection. IC Role / Device Role / Timing Role: Primary metrology controller handling kWh integration, RTC-based billing cycles, and isolated RS-485 communication. Use Value: -40°C to +85°C rating ensures reliability in outdoor enclosures; on-chip LVD detects brown-out events for secure data logging before power loss. |
| Home Appliance Control | Factory Automation I/O Module |
|
Use Scenario: Washing machine main control board requiring motor timing, user interface, and safety monitoring. IC Role / Device Role / Timing Role: Central MCU coordinating PWM motor drive, capacitive touch sensing, buzzer feedback, and fault-safe shutdown sequences. Use Value: 16-bit timer channels support precise motor phase control; N-ch open-drain I/O drives LEDs and relays directly without external drivers. |
Use Scenario: Modular digital input/output expansion unit for PLC systems with isolation and diagnostics. IC Role / Device Role / Timing Role: Local intelligence node performing debounce filtering, status reporting, and watchdog supervision of field devices. Use Value: 52-pin LQFP provides ample GPIO (up to 42 usable I/O) and dedicated interrupt pins for fast response to field events; HALT/STOP modes reduce thermal load in dense cabinets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101JGAFA#50 | Identical silicon; differs only in packaging (embossed tape vs. tray) | No functional difference; suited for automated SMT lines requiring tape-and-reel delivery | Select #50 for high-volume pick-and-place assembly; #30 for prototyping or low-volume tray-based production |
| R5F100JGAFA#30 | Same package and pinout, but includes 4 KB on-chip data flash (R5F100x series) | Required where EEPROM-like nonvolatile storage is needed for calibration data or event logs without external memory | Choose R5F100JGAFA#30 if data flash persistence is mandatory; R5F101JGAFA#30 reduces cost and complexity when flash is unnecessary |
Compared with R5F101JGAFA#30, the #50 variant offers identical electrical and functional behavior with optimized logistics for volume manufacturing, while R5F100JGAFA#30 adds 4 KB data flash at slightly higher unit cost - enabling field-updatable parameters without external memory components.
Availability
R5F101JGAFA#30 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy meters, and home appliance control systems requiring stable component supply, long-term lifecycle assurance, and industrial-grade temperature performance.
Supply support for R5F101JGAFA#30 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, cost-optimized 16-bit MCUs targeting general-purpose embedded applications including metering, appliances, and industrial controls - emphasizing energy efficiency, integration, and ease of development.
FAQ
What is the flash memory configuration of the R5F101JGAFA#30?
The R5F101JGAFA#30 contains 64 KB of on-chip code flash memory and no integrated data flash memory - consistent with the R5F101x series designation indicating "data flash not provided." This configuration reduces cost and die size where nonvolatile parameter storage is handled externally or omitted entirely. The R5F101JGAFA#30 retains full self-programming capability for firmware updates using the code flash area.
Does the R5F101JGAFA#30 support hardware debugging?
Yes, the R5F101JGAFA#30 supports on-chip debugging via the single-wire debug (SWD) interface using pins P13 (TOOLCLK) and P11 (TOOLRxD). It is compatible with Renesas E2 emulator and standard ARM SWD tools. Debug functionality remains available in HALT and STOP modes, enabling low-power firmware validation without compromising current consumption metrics during development.
What is the maximum ADC sampling rate achievable with the R5F101JGAFA#30?
The R5F101JGAFA#30 supports a maximum ADC conversion time of 1.2 μs per 10-bit sample under optimal conditions (VDD ≥ 2.7 V, internal clock source). With sequential scanning across multiple channels and minimal software overhead, sustained sampling rates up to 500 kSPS are achievable - sufficient for motor current sensing, audio preprocessing, and vibration analysis in industrial edge nodes.
Can the R5F101JGAFA#30 operate reliably at 32 MHz without an external crystal?
Yes, the R5F101JGAFA#30 can run at 32 MHz using its on-chip high-speed oscillator, rated at ±1.0% accuracy across 1.8–5.5 V and -20°C to +85°C. This eliminates the need for an external crystal or resonator in cost-sensitive or space-constrained designs, while maintaining timing integrity for UART communication (including LIN bus), PWM generation, and real-time control loops.
How many I/O pins are available on the R5F101JGAFA#30 in its 52-pin LQFP package?
The R5F101JGAFA#30 provides 42 general-purpose I/O pins in its 52-pin LQFP package, with additional dedicated pins for power, reset, debug, and oscillator functions. All I/Os support programmable drive strength, pull-up resistors, TTL input buffers, and N-ch open-drain operation - enabling direct interfacing with 1.8 V, 2.5 V, and 3.3 V peripherals without level shifters.
R5F101JGAFA#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- 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:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 12K 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:
R5F101JGAFA#30 FAQ
1.How can I place an order for R5F101JGAFA#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101JGAFA#30 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 R5F101JGAFA#30 reliable?
The price and inventory of R5F101JGAFA#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101JGAFA#30 is usually 5 days.
3.What payment methods are accepted for R5F101JGAFA#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101JGAFA#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101JGAFA#30?
R5F101JGAFA#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101JGAFA#30 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 R5F101JGAFA#30?
For technical support, including R5F101JGAFA#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101JGAFA#30 requirements.
6.How does Aetrix verify that R5F101JGAFA#30 is sourced from the original manufacturer or authorized distributors?
All R5F101JGAFA#30 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 R5F101JGAFA#30 meets industry standards.
7.What is the process for return or replacement of R5F101JGAFA#30?
All R5F101JGAFA#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101JGAFA#30, 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 R5F101JGAFA#30 part is unused and in its original packaging.
Return procedure for R5F101JGAFA#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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