Renesas R5F100JCDFA#V0
- Part No.:
- R5F100JCDFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F100JCDFA#V0.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 52LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,900
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Product details
Overview
R5F100JCDFA#V0 from Renesas is a 52-pin LQFP-0.65mm 8-bit RL78/G13 microcontroller with 256 KB flash, 8 KB data flash, 20 KB RAM, 10-bit ADC (26 channels), and real-time clock - designed for low-power industrial control, sensor nodes, and appliance HMI systems operating from 1.6 V to 5.5 V.
For engineers reviewing the R5F100JCDFA#V0 datasheet, R5F100JCDFA#V0 pinout, R5F100JCDFA#V0 application, or R5F100JCDFA#V0 equivalent, key selection criteria include ultra-low power consumption (66 μA/MHz active, 0.57 μA RTC+LVD mode), integrated LIN-capable UARTs, hardware DMA (4 channels), and support for self-programming with flash shield window.
Technical Context
The R5F100JCDFA#V0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz). It integrates a high-accuracy ±1.0% on-chip oscillator (selectable 1–32 MHz) and supports HALT/STOP/SNOOZE low-power modes.
It features dual serial interfaces per channel: CSI (SPI-compatible), UART/LIN, and I²C (up to 10 channels); 16-bit timers (12 channels), 12-bit interval timer, calendar RTC with alarm/correction, and watchdog timer with dedicated low-speed oscillator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 8-bit CISC with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz - delivers 41 DMIPS performance for real-time control tasks |
| Flash Memory | 256 KB code flash with 1 KB block size, security lock, and boot swap function |
| Data Flash | 8 KB background operation (BGO) flash supporting 1M rewrite cycles at VDD = 1.8–5.5 V |
| ADC | 10-bit resolution, 26-channel input, internal 1.45 V reference and temperature sensor |
| Power Modes | Halt (66 μA/MHz), Stop (0.57 μA), SNOOZE - enables battery-powered operation >10 years |
| Operating Temp | −40°C to +85°C (Industrial grade D-specification) |
Pinout & Package
Package: 52-pin LQFP, 10 mm × 10 mm, 0.65 mm pitch, RoHS-compliant, surface-mount.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Serial Clock Input/Output | Shared SPI clock (CSI0) or I²C clock - enables dual-protocol peripheral interfacing |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Serial Data Input / UART RX / I²C Data | Multi-function pin supporting SPI input, UART receive, debug interface, and I²C bidirectional data |
| P12/SO00/TxD0/TOOLTxD/SCL00 | Serial Data Output / UART TX / I²C Clock | Enables full-duplex SPI/UART/I²C communication without external logic |
| P13/INTP0/TOOLCLK | External Interrupt / Debug Clock | Dual-role pin for edge-triggered wake-up and on-chip debug clock synchronization |
| P20/ANI0/AVREFP | Analog Input / ADC Reference Positive | Configurable as first ADC channel or positive reference voltage source for precision analog measurement |
| P21/ANI1/AVREFM | Analog Input / ADC Reference Negative | Supports differential ADC measurements or negative reference for ratiometric sensor scaling |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power operation | 66 μA/MHz active current and 0.57 μA RTC+LVD retention enables multi-year battery life in remote sensors |
| Hardware DMA controller | 4-channel DMA with 2-clock transfer between SFR and RAM - offloads CPU during ADC/UART bursts |
| Self-programmable flash | Boot swap and flash shield window enable secure firmware updates without external programmer |
| LIN-capable UART | UART with LIN bus support (break detection, sync field, checksum) simplifies automotive body electronics integration |
| Real-time clock (RTC) | Calendar RTC with 99-year range, alarm, and auto-correction - eliminates external RTC IC in time-stamped logging |
Applications
| Smart Home Thermostat | Industrial Motor Controller |
|---|---|
|
Use Scenario: Battery-powered wall-mounted HVAC controller with ambient/temp/humidity sensing, display, and wireless comms. IC Role / Device Role / Timing Role: Main system MCU managing sensor acquisition, PID loop execution, display refresh, and sub-GHz RF sleep/wake coordination. Use Value: Ultra-low STOP-mode current (0.57 μA) extends AA battery life beyond 5 years; integrated RTC maintains schedule accuracy during power loss. |
Use Scenario: Compact 3-phase BLDC motor drive for pumps/fans with Hall sensor feedback and fault monitoring. IC Role / Device Role / Timing Role: Real-time motion controller executing commutation logic, PWM generation, overcurrent protection, and CAN/LIN diagnostics. Use Value: 41 DMIPS at 32 MHz ensures deterministic 100 μs control loop timing; 26-channel ADC samples all phase currents and temperatures simultaneously. |
| White Goods UI Panel | Energy Meter Data Logger |
|
Use Scenario: Touch-enabled front panel for washing machines/dishwashers with LED indicators, buzzer, and EEPROM-backed settings. IC Role / Device Role / Timing Role: Dedicated UI processor handling capacitive touch scanning, LED dimming via PWM, buzzer tone generation, and nonvolatile parameter storage. Use Value: On-chip buzzer output controller and key interrupt reduce BOM count; 8 KB data flash stores 10K+ cycle-safe usage logs without external EEPROM. |
Use Scenario: DIN-rail mounted electricity meter with pulse counting, tariff switching, tamper detection, and RS-485 communication. IC Role / Device Role / Timing Role: System-on-chip managing metrology interface, time-of-use billing, secure firmware updates, and isolated serial communication. Use Value: Hardware CRC accelerator and flash shield window ensure FOTA integrity; LVD with 14-level threshold enables precise brown-out response for revenue-grade accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101JCDFA#V0 | No data flash memory (0 KB); identical core, peripherals, and package | Not suitable for field-upgradable firmware or parameter logging | Select when firmware is static and no runtime NVM writes are required |
| RL78/G14 R5F104GCDFA#V0 | Enhanced RL78/G14 core, 384 KB flash, 32 KB RAM, added USB 2.0 FS, higher ADC speed | Higher cost and power; requires USB PHY and layout controls | Choose for designs needing USB device connectivity or >256 KB code space |
Compared with R5F100JCDFA#V0, R5F101JCDFA#V0 removes data flash to reduce cost and complexity in fixed-function roles, while R5F104GCDFA#V0 upgrades to G14 for USB and larger memory - making R5F100JCDFA#V0 optimal for cost-sensitive, data-logging-capable industrial controllers.
Availability
R5F100JCDFA#V0 is available at Aetrix Electronics and suitable for industrial motor control, smart energy meters, and white goods user interfaces requiring stable component supply across extended production lifecycles.
Supply support for R5F100JCDFA#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 8-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications demanding long-term reliability and integrated analog peripherals.
FAQ
What is the maximum operating frequency and performance of the R5F100JCDFA#V0?
The R5F100JCDFA#V0 operates up to 32 MHz and delivers 41 DMIPS of processing performance. Its RL78 CPU core uses a 3-stage pipeline and supports configurable instruction timing - from 0.03125 μs (high-speed mode) to 30.5 μs (ultra-low-speed subsystem clock) - enabling precise trade-offs between latency and power in real-time control loops.
Does the R5F100JCDFA#V0 support in-system programming and secure firmware updates?
Yes, the R5F100JCDFA#V0 supports full in-system programming via its on-chip debug interface and self-programming flash controller. It includes boot swap functionality and a flash shield window to prevent unauthorized access to critical firmware sections - enabling robust, field-upgradable applications without external programmers.
How many analog input channels and what ADC resolution does the R5F100JCDFA#V0 provide?
The R5F100JCDFA#V0 integrates a 10-bit successive-approximation ADC with up to 26 analog input channels. It also includes an internal 1.45 V reference voltage and temperature sensor - allowing accurate ratiometric measurements and thermal monitoring without external components.
What low-power modes are available on the R5F100JCDFA#V0, and what are their typical current draws?
The R5F100JCDFA#V0 offers HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it consumes just 0.57 μA - ideal for battery-backed timekeeping. Active-mode current is 66 μA/MHz, and HALT mode draws ~1.2 μA. All modes support fast wake-up (< 4 μs from HALT).
Is the R5F100JCDFA#V0 pin-compatible with other RL78/G13 variants in the same package?
Yes, the R5F100JCDFA#V0 is pin-compatible with all 52-pin LQFP RL78/G13 variants (e.g., R5F100JDAFA#V0, R5F100JEAFA#V0), sharing identical pinout, power, and reset configurations. This allows seamless migration across memory/configurations without PCB redesign.
R5F100JCDFA#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:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- 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:
R5F100JCDFA#V0 FAQ
1.How can I place an order for R5F100JCDFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100JCDFA#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 R5F100JCDFA#V0 reliable?
The price and inventory of R5F100JCDFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100JCDFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F100JCDFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100JCDFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100JCDFA#V0?
R5F100JCDFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100JCDFA#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 R5F100JCDFA#V0?
For technical support, including R5F100JCDFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100JCDFA#V0 requirements.
6.How does Aetrix verify that R5F100JCDFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100JCDFA#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 R5F100JCDFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F100JCDFA#V0?
All R5F100JCDFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100JCDFA#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 R5F100JCDFA#V0 part is unused and in its original packaging.
Return procedure for R5F100JCDFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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