Renesas R5F104JGDFA#V0
- Part No.:
- R5F104JGDFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F104JGDFA#V0.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 52LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F104JGDFA#V0 from Renesas is a 52-pin LQFP-0.65 mm pitch, industrial-grade (TA = −40 to +85°C) RL78/G14 16-bit MCU with 96 KB flash, 12 KB RAM, and 8 KB data flash. It delivers 44 DMIPS at 32 MHz, operates from 1.6–5.5 V, and supports ultra-low-power modes (66 μA/MHz active, 0.60 μA RTC+LVD). It targets battery-powered industrial sensors and smart metering interfaces requiring integrated A/D, UART/LIN, and real-time clock.
For engineers reviewing the R5F104JGDFA#V0 datasheet, R5F104JGDFA#V0 pinout, R5F104JGDFA#V0 application, or R5F104JGDFA#V0 equivalent, key selection criteria include its 52-pin LQFP package, 96 KB/12 KB/8 KB memory configuration, 10-bit 20-channel ADC with internal reference, LIN-capable UARTs, and support for STOP/HALT/SNOOZE low-power states.
Technical Context
The R5F104JGDFA#V0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz ultra-low-speed mode). It integrates a 19-source Event Link Controller (ELC) for peripheral event chaining and a Data Transfer Controller (DTC) with block/repeat transfer modes activated by interrupts.
It features dual-clock domain operation: a high-speed on-chip oscillator (selectable up to 64 MHz ±1.0%) and a dedicated low-speed oscillator for watchdog and RTC. Peripheral integration includes Timer Array Unit (TAU) with 8 channels, 12-bit interval timer, calendar RTC with alarm/correction, and 2-channel comparator with window mode and selectable internal/external reference.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 44 DMIPS @ 32 MHz |
| Flash / RAM / Data Flash | 96 KB code flash, 12 KB on-chip RAM, 8 KB data flash with 1M rewrite cycles |
| Supply Voltage Range | 1.6 V to 5.5 V - enables direct interface with 1.8/2.5/3.3 V peripherals without level shifters |
| ADC Resolution & Channels | 10-bit SAR ADC with 20 analog inputs, internal 1.45 V reference, and temperature sensor |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.60 μA with RTC+LVD), SNOOZE - extends battery life in intermittent-sensing applications |
| Serial Interfaces | 3× UART/LIN, 4× I²C/simplified I²C, 3× CSI (SPI-compatible), all configurable via ELC |
| Timers & Clock | 8× 16-bit TAU timers, 1× 12-bit interval timer, calendar RTC (99-year), 1× WDT with dedicated oscillator |
Pinout & Package
Package: 52-pin LQFP, 10 × 10 mm body, 0.65 mm pitch, lead-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 / P01 | TxD1/RxD1, TI00/TO00 | Full-duplex UART1 with hardware flow control; also serve as general-purpose timer I/O |
| P10–P17 | SPI/I²C/UART peripheral multiplex | Configurable CSI11, I²C11, UART2, TRDIOx - routed via ELC for autonomous peripheral triggering |
| P20–P27 | ANI0–ANI7, AVREFP/AVREFM | 8-channel analog input group with differential reference capability for precision sensor front-end |
| P30 / P31 | INTP3/RTC1HZ, INTP4/PCLBUZ0 | Dedicated RTC output (1 Hz) and programmable buzzer driver - no CPU intervention required |
| P50 / P51 | SI00/RxD0, SO00/TxD0 | Primary debug/communication UART0 with TOOLRxD/TOOLTxD pins for Renesas E2 emulator |
| P121 / P122 | X1 / X2 | Crystal oscillator inputs for external 32.768 kHz RTC crystal or high-frequency crystal up to 20 MHz |
| RESET / REGC / VDD / VSS | Reset, regulator capacitor, power | On-chip POR and LVD; REGC requires 0.47–1 μF capacitor to VSS for stable internal voltage regulation |
Key Features
| Feature | Design Value |
|---|---|
| Self-programming flash | Boot swap and flash shield window enable secure firmware updates without external programmer |
| Background operation | Data flash rewrites occur while executing code from main flash - no interrupt latency penalty |
| Event Link Controller (ELC) | Links 19 peripheral events (e.g., ADC end-of-conversion → DMA trigger) without CPU involvement |
| Real-time D/A output | 8-bit DAC with 0–VDD output range and immediate update - suitable for analog actuator control |
| Different-potential I/O | GPIOs tolerate 1.8/2.5/3.3 V logic levels - simplifies mixed-voltage system design |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Sub-metering unit in commercial building HVAC systems measuring current, voltage, and temperature. IC Role / Device Role / Timing Role: Main controller handling 20-channel ADC sampling, LIN bus communication to central gateway, and RTC-stamped energy logging. Use Value: Integrated 10-bit ADC with internal reference eliminates external precision references; STOP mode draws only 0.60 μA during sleep between 10-second measurement cycles. | Use Scenario: Wireless vibration sensor node monitoring motor health in factory automation. IC Role / Device Role / Timing Role: Signal acquisition MCU interfacing MEMS accelerometer, performing FFT preprocessing, and transmitting via UART to BLE module. Use Value: ELC-triggered DTC transfers ADC data directly to RAM while CPU remains in HALT mode - reduces active time by >70% per sample. |
| Home Appliance Control | Medical Diagnostic Device |
Use Scenario: Washing machine main board managing motor drive, water level sensing, and user interface. IC Role / Device Role / Timing Role: Real-time motor timing controller using TAU PWM outputs, ADC for pressure/temperature feedback, and buzzer for UI alerts. Use Value: On-chip PCLBUZ0/1 drivers generate precise audio tones without external components; SNOOZE mode allows UART wake-up from deep sleep. | Use Scenario: Portable blood glucose monitor requiring low-power operation and analog signal conditioning. IC Role / Device Role / Timing Role: Analog front-end processor with 10-bit ADC, internal temperature sensor calibration, and USB-emulated CDC serial interface. Use Value: Internal 1.45 V reference ensures consistent ADC accuracy across battery discharge; 1.6 V minimum supply enables operation down to single-cell Li-ion (3.0 V) or two alkaline cells (3.2 V). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104JGDFB#V0 | Same core, memory, and peripherals; differs only in LFQFP-0.5 mm pitch (7 × 7 mm) package | Requires PCB layout change due to smaller footprint and finer pitch; better for space-constrained designs | Select when board area is critical and assembly process supports 0.5 mm pitch |
| R5F104JHDFA#V0 | Identical package and pinout; upgrades flash to 128 KB, RAM to 16 KB, retains same 8 KB data flash | Enables larger firmware (e.g., OTA stack + encryption) without changing hardware or layout | Select when future firmware expansion or enhanced data logging is anticipated |
Compared with R5F104JGDFA#V0, the R5F104JGDFB#V0 offers identical functionality in a smaller 7 × 7 mm LFQFP package but demands tighter layout tolerances, while the R5F104JHDFA#V0 provides headroom for firmware growth within the same 52-pin LQFP footprint-making it ideal for scalable product families.
Availability
R5F104JGDFA#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart metering interfaces, and home appliance control systems requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability validation.
Supply support for R5F104JGDFA#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 industrial, automotive, and IoT markets.
The RL78/G14 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated industrial and consumer devices requiring rich analog integration, robust communication, and certified functional safety support.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F104JGDFA#V0?
The R5F104JGDFA#V0 achieves a maximum operating frequency of 32 MHz with a high-speed on-chip oscillator, delivering 44 DMIPS of processing performance. Its minimum instruction execution time is 0.03125 μs at this speed. The device also supports ultra-low-speed operation at 32.768 kHz (30.5 μs/instruction) for RTC and LVD-only functions, enabling sub-μA standby current.
Does the R5F104JGDFA#V0 support LIN bus communication, and how is it implemented?
Yes, the R5F104JGDFA#V0 supports LIN bus communication through its UART peripherals. Specifically, UART0, UART1, and UART2 all include LIN-break detection and synchronization capabilities per ISO 17987. The LIN protocol is implemented in firmware using the built-in UART's automatic break generation and detection features, eliminating need for external transceivers in basic implementations.
What are the memory resources allocated to the R5F104JGDFA#V0, and how is data flash used?
The R5F104JGDFA#V0 integrates 96 KB of code flash, 12 KB of on-chip RAM, and 8 KB of data flash. The data flash supports background operation (BGO), allowing program execution from main flash while rewriting data flash. It guarantees 1,000,000 write/erase cycles at VDD = 1.8–5.5 V and includes flash shield window protection to prevent unauthorized access to sensitive parameters stored in R5F104JGDFA#V0.
How does the R5F104JGDFA#V0 achieve ultra-low power consumption in STOP mode?
The R5F104JGDFA#V0 achieves 0.60 μA typical current in STOP mode by powering down the CPU, flash, RAM, and most peripherals while retaining operation of the real-time clock (RTC), low-voltage detector (LVD), and associated wakeup sources. This mode is enabled via software control and maintains calendar time and voltage monitoring without external components - critical for long-life battery applications using R5F104JGDFA#V0.
Can the R5F104JGDFA#V0 interface directly with 1.8 V or 2.5 V peripherals, and which pins support this?
Yes, the R5F104JGDFA#V0 supports different-potential interface operation. Its GPIO ports (including P00–P01, P10–P17, P20–P27, P30–P31, P50–P51, and others) can be configured to accept 1.8 V, 2.5 V, or 3.3 V logic levels while powered from a 1.6–5.5 V supply. This eliminates level-shifting circuitry in mixed-voltage systems and is confirmed in the R5F104JGDFA#V0 electrical characteristics table for I/O tolerance under "Input High Voltage" conditions.
R5F104JGDFA#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:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104JGDFA#V0 FAQ
1.How can I place an order for R5F104JGDFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104JGDFA#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 R5F104JGDFA#V0 reliable?
The price and inventory of R5F104JGDFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104JGDFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F104JGDFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104JGDFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104JGDFA#V0?
R5F104JGDFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104JGDFA#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 R5F104JGDFA#V0?
For technical support, including R5F104JGDFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104JGDFA#V0 requirements.
6.How does Aetrix verify that R5F104JGDFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F104JGDFA#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 R5F104JGDFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F104JGDFA#V0?
All R5F104JGDFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104JGDFA#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 R5F104JGDFA#V0 part is unused and in its original packaging.
Return procedure for R5F104JGDFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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