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Renesas R5F101JCAFA#50
- Part No.:
- R5F101JCAFA#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F101JCAFA#50.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 52LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,500
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Product details
Overview
R5F101JCAFA#50 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 R5F101JCAFA#50 datasheet, R5F101JCAFA#50 pinout, R5F101JCAFA#50 application, or R5F101JCAFA#50 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-grade), and integrated peripherals including 10-bit ADC (26 channels), RTC, UART/LIN, I²C, and 16-bit timers.
Technical Context
The R5F101JCAFA#50 implements the RL78 CISC CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a 10-bit A/D converter with up to 26 input channels, internal reference voltage (1.45 V), and temperature sensor-enabling direct analog sensing without external components.
Power management includes HALT, STOP, and SNOOZE low-power modes, on-chip POR and 14-level LVD, and a high-accuracy ±1.0% on-chip oscillator (32 MHz max). Its peripheral set includes up to 4 UART/LIN channels, 10 I²C/Simplified I²C channels, and 16 16-bit timer channels-configured for motor control, serial communication, and real-time event handling.
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 firmware execution |
| Operating Voltage | 1.6 V to 5.5 V single supply-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 SAR A/D converter with 26 selectable analog inputs and internal 1.45 V reference |
| Package & Pin Count | 52-pin LQFP, 10 × 10 mm, 0.65-mm pitch (FA suffix); RoHS-compliant, lead-free |
Pinout & Package
Package: 52-pin LQFP (10 × 10 mm, 0.65-mm pitch), JEDEC standard PLQP0052JA-A footprint. Compatible with standard reflow profiles and automated optical inspection (AOI).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling; supports 1.6–5.5 V operation |
| P10/P11 | SCK00/SI00/RxD0 | Primary SPI clock and UART receive pins-enable bootloader communication and sensor interface |
| P20–P22 | ANI0–ANI2 | Analog input channels with AVREFP/AVREFM-support precision measurement using internal 1.45 V reference |
| P147 | ANI18 | Additional analog input; enables multi-sensor monitoring without external multiplexer |
| RESET | Active-low reset input | Accepts external reset signal or internal POR/LVD assertion; debounced for noise immunity |
| CLKP/CLKM | Crystal oscillator terminals | Support 32.768 kHz crystal for RTC accuracy; optional external high-speed crystal up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA retention with RTC + LVD active-enables >10-year battery life in metering applications |
| On-chip debug interface | Fully integrated on-chip debug (OCD) via single-wire SWD-eliminates need for external JTAG header |
| Self-programmable flash | Boot swap and flash shield window functions enable secure field firmware updates without external programmer |
| Integrated RTC with calendar | 99-year calendar, alarm, and clock correction-replaces external RTC IC and reduces BOM count |
| Multi-protocol serial interface | UART/LIN + I²C + CSI (SPI-compatible) on shared pins-simplifies connectivity to sensors, displays, and CAN transceivers |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Residential electricity/water/gas meter with tamper detection, pulse counting, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing EEPROM-less data logging, and driving optical/RF interfaces. Use Value: 64 KB flash stores dual-application firmware (metering + comms); RTC enables accurate billing intervals; ultra-low STOP current extends battery life beyond 10 years. |
Use Scenario: Wireless temperature/humidity/pressure node in factory automation or HVAC monitoring. IC Role / Device Role / Timing Role: Sensor hub aggregating analog and digital inputs, performing local calibration, and scheduling LoRaWAN/NB-IoT transmissions. Use Value: 26-channel 10-bit ADC reads multiple sensors directly; SNOOZE mode allows periodic wake-up with minimal energy overhead; LIN support enables daisy-chain wiring in machinery. |
| Home Appliance Control | Medical Diagnostic Device |
Use Scenario: Washing machine control board managing motor drive, water level, heating, and user interface. IC Role / Device Role / Timing Role: Real-time motor timing controller with PWM generation, fault monitoring (LVD), and human-machine interface coordination. Use Value: 16-bit timers deliver precise motor phase control; 16–120 I/O pins accommodate diverse actuator/sensor sets; 5.5 V tolerance simplifies direct connection to 5 V power rails. |
Use Scenario: Portable blood glucose or ECG monitor requiring clinical-grade accuracy and long battery runtime. IC Role / Device Role / Timing Role: Signal acquisition processor capturing analog biosignals, applying digital filtering, and storing encrypted readings in flash. Use Value: Internal 1.45 V reference ensures stable ADC performance across voltage/temperature; data flash omission (R5F101x) reduces cost while retaining full code flash for certified firmware. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100JCAFA#50 | Same package and pinout; includes 4 KB on-chip data flash (R5F100x series) | Required when non-volatile parameter storage (calibration, logs) must reside on-chip without external EEPROM | Select if firmware requires frequent background data flash writes (e.g., usage counters, error logs) |
| R5F101JDAFA#50 | Identical package and memory size; differs only in flash content (different firmware image pre-programmed) | No functional difference-used for variant-specific bootloader or regional compliance firmware | Choose only when matching exact firmware revision or certification requirements (e.g., UL/IEC 60730) |
Compared with R5F101JCAFA#50, R5F100JCAFA#50 adds data flash for persistent configuration storage but increases cost and write-cycle complexity, while R5F101JDAFA#50 offers identical hardware functionality with pre-loaded application firmware-reducing customer programming steps.
Availability
R5F101JCAFA#50 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and portable medical devices requiring stable component supply, long-term lifecycle support, and industrial-grade (-40°C to +85°C) reliability.
Supply support for R5F101JCAFA#50 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 product line delivers ultra-low-power, cost-optimized 16-bit MCUs targeting general-purpose embedded applications-including metering, sensing, and appliance control-where energy efficiency and integration reduce system complexity.
FAQ
What is the flash memory configuration of the R5F101JCAFA#50?
The R5F101JCAFA#50 contains 64 KB of on-chip code flash memory and no dedicated data flash memory-consistent with the R5F101x series designation. This configuration prioritizes cost-sensitive applications where parameter storage is handled externally or via code flash wear-leveling techniques. The R5F101JCAFA#50 retains full self-programming capability for firmware updates using its code flash array.
Does the R5F101JCAFA#50 support real-time clock (RTC) functionality?
Yes, the R5F101JCAFA#50 integrates a full-featured RTC with calendar support (up to 99 years), alarm interrupt, and clock correction function. It operates independently in STOP mode using a 32.768 kHz crystal or sub-system clock, consuming only 0.57 μA-making it suitable for time-stamped logging and scheduled wake-up in battery-powered systems.
What is the operating temperature range for the R5F101JCAFA#50?
The R5F101JCAFA#50 is rated for industrial operation from -40°C to +85°C (D-grade), as indicated by the 'D' in its part number suffix. This specification ensures reliable performance in demanding environments such as factory automation, building controls, and outdoor metering equipment without derating.
How many analog input channels does the R5F101JCAFA#50 support?
The R5F101JCAFA#50 supports up to 26 analog input channels via its 10-bit successive approximation register (SAR) ADC. Inputs include P20/ANI0 through P22/ANI2 and P147/ANI18, with selectable reference sources (VDD, AVREFP, or internal 1.45 V)-enabling flexible sensor interfacing without external signal conditioning.
Is the R5F101JCAFA#50 pin-compatible with other RL78/G13 52-pin variants?
Yes, the R5F101JCAFA#50 shares identical pinout, package dimensions, and electrical characteristics with all other 52-pin LQFP RL78/G13 devices (e.g., R5F100JCAFA#50, R5F101JDAFA#50), enabling drop-in replacement within the same memory and feature subset-provided firmware accounts for differences in data flash presence or pre-programmed content.
R5F101JCAFA#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-LQFP
- Series:
- RL78/G13
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K 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:
R5F101JCAFA#50 FAQ
1.How can I place an order for R5F101JCAFA#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101JCAFA#50 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 R5F101JCAFA#50 reliable?
The price and inventory of R5F101JCAFA#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101JCAFA#50 is usually 5 days.
3.What payment methods are accepted for R5F101JCAFA#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101JCAFA#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101JCAFA#50?
R5F101JCAFA#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101JCAFA#50 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 R5F101JCAFA#50?
For technical support, including R5F101JCAFA#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101JCAFA#50 requirements.
6.How does Aetrix verify that R5F101JCAFA#50 is sourced from the original manufacturer or authorized distributors?
All R5F101JCAFA#50 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 R5F101JCAFA#50 meets industry standards.
7.What is the process for return or replacement of R5F101JCAFA#50?
All R5F101JCAFA#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101JCAFA#50, 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 R5F101JCAFA#50 part is unused and in its original packaging.
Return procedure for R5F101JCAFA#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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