Renesas R5F104JCGFA#V0
- Part No.:
- R5F104JCGFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F104JCGFA#V0.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 52LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,092
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Product details
Overview
R5F104JCGFA#V0 from Renesas is a 52-pin LQFP-0.65mm industrial-grade RL78/G14 16-bit microcontroller with 256 KB flash, 8 KB data flash, 20 KB RAM, and operation from -40°C to +105°C. It integrates a 32 MHz RL78 CPU core (44 DMIPS), 10-bit 16-channel ADC, dual 8-bit DACs, RTC with calendar, 12-channel 16-bit TAU timer, and UART/SPI/I²C interfaces for embedded control in resource-constrained environments.
For engineers reviewing the R5F104JCGFA#V0 datasheet, R5F104JCGFA#V0 pinout, R5F104JCGFA#V0 application, or R5F104JCGFA#V0 equivalent, this page delivers verified electrical specs, package mapping, real-world use cases, and validated alternative options - all aligned to the RL78/G14 family's industrial temperature and low-power design requirements.
Technical Context
The R5F104JCGFA#V0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 μs at 32 MHz to 30.5 μs at 32.768 kHz). It supports true low-power operation: 66 μA/MHz active current and 0.60 μA in STOP mode with RTC + LVD active.
Peripheral integration includes Event Link Controller (ELC) for hardware-triggered peripheral chaining, Data Transfer Controller (DTC) with block/repeat transfer modes, and background operation (BGO) for data flash rewriting while executing code from program memory.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU, 44 DMIPS @ 32 MHz |
| Flash Memory | 256 KB code flash with 1 KB erase blocks and security lock |
| Data Flash | 8 KB with 1,000,000 write cycles and BGO support |
| RAM | 20 KB on-chip SRAM for variables, stack, and buffers |
| ADC | 10-bit resolution, 16 analog inputs, internal 1.45 V reference & temp sensor |
| DAC | Two 8-bit channels, 0–VDD output range, real-time update capability |
| Operating Temp | -40°C to +105°C (G-grade industrial qualification) |
| Supply Voltage | 1.6 V to 5.5 V single supply, enabling direct battery or wide-input rail use |
Pinout & Package
Package: 52-pin LQFP (10 × 10 mm, 0.65 mm pitch), lead-free, RoHS-compliant, industrial-grade molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TxD1 / TI00 / TRGCLKA | Primary UART transmit, timer input, and debug clock source |
| P01 | RxD1 / TO00 / TRGCLKB | Primary UART receive, timer output, and secondary debug clock |
| P10–P17 | SPI/I²C/UART/Timer I/O group | Configurable multi-function ports supporting CSI, UART, and TAU signals |
| P20–P27 | ANI0–ANI7 / AVREFP / AVREFM | Eight ADC input channels with dedicated analog reference pins |
| P30–P31 | INTP3 / RTC1HZ / TI03 / TO03 | Real-time clock interrupt output and general-purpose timer I/O |
| P50–P51 | RxD0 / TxD0 / INTP1 / INTP2 | Dedicated debug UART interface with hardware trace I/O |
| P60–P61 | SCLA0 / SDAA0 | Primary I²C bus interface (SCL/SDA) with internal pull-ups |
| P121–P122 | X1 / X2 / EXCLK | Crystal oscillator inputs (32.768 kHz) and external clock input |
| P123–P124 | XT1 / XT2 / EXCLKS | High-speed crystal inputs (up to 24 MHz) or external clock source |
| RESET | Active-low reset input | Asynchronous reset with internal POR and LVD monitoring |
| VDD / VSS | Power supply / ground | Single 1.6–5.5 V supply; decoupling required per REGC capacitor spec |
| REGC | Regulator bypass capacitor terminal | Must connect 0.47–1 μF capacitor to VSS for internal LDO stability |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.60 μA retention current with RTC + LVD active enables decade-scale battery life |
| Self-programming flash | Boot-swap and flash-shield window functions enable secure firmware updates in field |
| Hardware event linking (ELC) | 19–26 peripheral events routed without CPU intervention, reducing latency and ISR load |
| Background data flash rewrite | Execute application code while updating 8 KB data flash-no execution stalls |
| Dual 8-bit DACs | Simultaneous analog output generation for motor control feedback or sensor calibration |
| On-chip key interrupt | Direct GPIO wake-up from STOP mode using up to 8 dedicated KRn pins |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop speed regulation of BLDC fans in HVAC systems with thermal derating and fault logging. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, sampling current/voltage via 10-bit ADC, generating PWM via TAU, and communicating status over UART. Use Value: 256 KB flash stores dual firmware images; 0.60 μA STOP mode extends battery backup runtime during AC loss. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ with local alarm and wireless upload. IC Role / Device Role / Timing Role: Sensor hub aggregating I²C sensor data, performing calibration with internal temp sensor and DAC references, and managing RTC-triggered wake-up. Use Value: Integrated 8 KB data flash logs 30 days of readings; -40°C to +105°C rating ensures outdoor enclosure reliability. |
| Energy Metering Interface | Factory Automation I/O Module |
Use Scenario: Pulse counting and tariff switching in DIN-rail mounted electricity meters with tamper detection. IC Role / Device Role / Timing Role: High-accuracy timekeeping via RTC calendar, isolated pulse capture on INTP pins, and secure firmware updates via self-programming flash. Use Value: ±1.0% oscillator accuracy over full temperature range eliminates external crystal; LVD interrupt enables brown-out data protection. | Use Scenario: Distributed digital I/O node converting Modbus RTU commands to 24 V DC outputs and reading 24 V inputs in PLC cabinets. IC Role / Device Role / Timing Role: Protocol handler (UART + CRC), isolation-level signal conditioning, and watchdog-monitored state machine. Use Value: 52-pin LQFP provides 32+ GPIOs with N-ch open-drain drive; 1.6–5.5 V operation matches industrial 3.3 V/5 V rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104JHGBG#V0 | Same 52-pin LQFP package, but 192 KB flash / 20 KB RAM / G-grade (-40°C to +105°C) | Lower code density; suitable where firmware size < 192 KB and no data flash BGO needed | Select when cost sensitivity outweighs need for 256 KB flash or 8 KB data flash endurance |
| R5F104JGGBG#V0 | Identical 256 KB flash / 8 KB data flash / 20 KB RAM, but D-grade (-40°C to +85°C) qualification | Limited to commercial/industrial ambient environments without extended thermal stress | Choose for non-enclosed or cooled applications where full G-grade thermal margin is unnecessary |
Compared with R5F104JCGFA#V0, R5F104JHGBG#V0 trades flash capacity for lower unit cost, while R5F104JGGBG#V0 maintains identical memory but reduces thermal qualification-both require validation of firmware footprint and operating environment before substitution.
Availability
R5F104JCGFA#V0 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, energy metering interfaces, and factory automation I/O modules requiring stable component supply across long production lifecycles.
Supply support for R5F104JCGFA#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/G14 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive industrial and consumer equipment requiring robust operation, integrated peripherals, and long-term supply assurance.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F104JCGFA#V0?
The R5F104JCGFA#V0 operates at up to 32 MHz with its RL78 CPU core, delivering 44 DMIPS performance. This is measured under standard conditions with high-speed on-chip oscillator enabled and reflects integer instruction throughput-not theoretical peak. The R5F104JCGFA#V0 supports dynamic clock scaling down to 32.768 kHz for ultra-low-power RTC operation.
Does the R5F104JCGFA#V0 include an integrated voltage regulator, and what external components are required?
Yes, the R5F104JCGFA#V0 integrates an internal LDO regulator. A 0.47–1 μF ceramic capacitor must be connected between the REGC pin and VSS for stable operation, as specified in the datasheet. No external regulator IC is needed, simplifying board design and reducing BOM count for the R5F104JCGFA#V0.
How many analog-to-digital converter (ADC) channels does the R5F104JCGFA#V0 support, and what is the resolution?
The R5F104JCGFA#V0 features a 10-bit successive-approximation ADC with up to 16 input channels (ANI0–ANI15, plus ANI16–ANI19 on select pins). It includes an internal 1.45 V reference voltage and integrated temperature sensor, enabling accurate sensor measurements without external references-critical for compact R5F104JCGFA#V0-based designs.
Can the R5F104JCGFA#V0 perform flash memory writes while executing application code?
Yes-the R5F104JCGFA#V0 supports Background Operation (BGO) for its 8 KB data flash memory. Application code can run from main flash while data flash is rewritten, eliminating execution stalls. This capability is essential for reliable firmware-over-the-air (FOTA) updates and real-time parameter logging in deployed R5F104JCGFA#V0 systems.
What is the qualified operating temperature range for the R5F104JCGFA#V0, and how is it indicated in the part number?
The R5F104JCGFA#V0 is rated for -40°C to +105°C operation, denoted by the "G" in the fourth character position of the part number (R5F104JCGFA#V0), confirming industrial-grade thermal qualification. This allows deployment in harsh environments such as factory floors, outdoor enclosures, and automotive under-hood auxiliary systems where the R5F104JCGFA#V0 maintains functional integrity.
R5F104JCGFA#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-LQFP
- Series:
- RL78/G14
- 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:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104JCGFA#V0 FAQ
1.How can I place an order for R5F104JCGFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104JCGFA#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 R5F104JCGFA#V0 reliable?
The price and inventory of R5F104JCGFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104JCGFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F104JCGFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104JCGFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104JCGFA#V0?
R5F104JCGFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104JCGFA#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 R5F104JCGFA#V0?
For technical support, including R5F104JCGFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104JCGFA#V0 requirements.
6.How does Aetrix verify that R5F104JCGFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F104JCGFA#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 R5F104JCGFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F104JCGFA#V0?
All R5F104JCGFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104JCGFA#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 R5F104JCGFA#V0 part is unused and in its original packaging.
Return procedure for R5F104JCGFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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