Renesas R5F104GDDFB#V0
- Part No.:
- R5F104GDDFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F104GDDFB#V0.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 48LFQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F104GDDFB#V0 from Renesas is a 48-pin LFQFP, industrial-grade (−40°C to +105°C) RL78/G14 16-bit MCU with 128 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 achieves 66 μA/MHz active current and 0.60 μA RTC+LVD standby-enabling battery-powered sensor nodes and motor control in factory automation.
For engineers reviewing the R5F104GDDFB#V0 datasheet, R5F104GDDFB#V0 pinout, R5F104GDDFB#V0 application, or R5F104GDDFB#V0 equivalent, key selection criteria include its integrated 10-bit ADC (20 channels), dual UART/LIN support, real-time clock with calendar, low-power STOP/HALT modes, and hardware DTC/ELC for deterministic peripheral event handling without CPU intervention.
Technical Context
The R5F104GDDFB#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 12-bit interval timer, RTC with alarm/calendar, and watchdog timer driven by dedicated low-speed oscillator.
Peripheral integration includes up to 12-channel 16-bit Timer Array Unit (TAU), 3–4 UART/LIN interfaces, 4–10 I²C channels, 3–8 CSI/SPI channels, and an Event Link Controller (ELC) enabling direct hardware linking of 19–26 event sources to peripheral functions-eliminating software latency in time-critical responses.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time control with minimal code footprint. |
| Max Operating Frequency | 32 MHz; delivers 44 DMIPS for responsive motor commutation or protocol stack execution. |
| Flash / Data Flash / RAM | 128 KB / 8 KB / 12 KB; supports secure boot swapping, background data flash rewriting (BGO), and 1M-cycle endurance. |
| Supply Voltage Range | 1.6–5.5 V; allows direct interface with 1.8 V, 3.3 V, and 5 V peripherals without level shifters. |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.60 μA w/ RTC+LVD); extends battery life in wireless sensors and portable HMI. |
| Analog Peripherals | 10-bit ADC (20 ch, 1.45 V ref, temp sensor), 8-bit DAC (2 ch, 0–VDD output), 2× comparator; enables closed-loop analog sensing/control. |
| Serial Interfaces | 3× UART/LIN, 4× I²C, 3× CSI/SPI; supports multi-protocol communication in industrial gateways and PLC I/O modules. |
Pinout & Package
Package: 48-pin LFQFP (7 × 7 mm, 0.5 mm pitch), industrial temperature grade (−40°C to +105°C), lead-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10 | SCK11/SCL11/TRDIOD1 | Primary SPI/I²C clock input; configurable as trace data input for debug visibility. |
| P11 | SI11/SDA11/TRDIOC1 | Primary SPI/I²C data input; also serves as trace data channel for runtime diagnostics. |
| P12 | SO11/TRDIOB1/IVREF1 | Primary SPI output or I²C bidirectional line; internal reference voltage source for ADC calibration. |
| P13 | TxD2/SO20/TRDIOA1/IVCMP1 | UART2 transmit or SPI output; also provides comparator reference for precision threshold detection. |
| P14 | RxD2/SI20/SDA20/TRDIOD0/(SCLA0) | UART2 receive or I²C data line; multiplexed as secondary I²C clock for dual-bus topology. |
| P15 | PCLBUZ1/SCK20/SCL20/TRDIOB0/(SDAA0) | Buzzer driver or secondary SPI/I²C interface; enables concurrent bus operation with primary peripherals. |
| P16 | TI01/TO01/INTP5/TRDIOC0/IVREF0 | Timer input/output with interrupt capability; internal reference for second ADC channel group. |
| P17 | TI02/TO02/TRDIOA0/TRDCLK/IVCMP0 | Second timer channel with trace clock output; comparator input for windowed voltage monitoring. |
| P50 | INTP1/SI00/RxD0/TOOLRxD/SDA00/TRGIOA | UART0 receive, I²C data, or debug interface; supports trigger input for synchronized sampling. |
| P51 | INTP2/SO00/TxD0/TOOLTxD/TRGIOB | UART0 transmit or debug output; trigger output for external logic synchronization. |
| P60 | SCLA0 | I²C clock line for primary bus; dedicated pin ensures timing integrity in noise-sensitive environments. |
| P61 | SDAA0 | I²C data line for primary bus; open-drain structure compatible with mixed-voltage I²C systems. |
| P121 | X1 | Crystal oscillator input (32.768 kHz); enables precise RTC operation with ±20 ppm accuracy. |
| P122 | X2/EXCLK | Crystal output or external clock input; supports bypass mode for external timing source injection. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts 100 ns minimum pulse width for robust recovery. |
| REGC | Voltage regulator capacitor terminal | Requires 0.47–1 µF capacitor to VSS for stable on-chip LDO regulation and noise immunity. |
| VDD | Main power supply (1.6–5.5 V) | Single-supply operation eliminates need for auxiliary rails; powers all digital and analog blocks. |
| VSS | Digital ground | Reference for all I/O and core logic; must be connected to system ground plane with low impedance. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT/STOP modes | 66 μA/MHz active and 0.60 μA RTC+LVD retention enable >10-year battery life in metering applications. |
| Background data flash rewriting (BGO) | Allows full program execution from flash while updating non-volatile configuration or firmware patches. |
| Event Link Controller (ELC) | Hardware routing of 19–26 peripheral events eliminates ISR latency and CPU overhead in real-time response. |
| On-chip voltage detector (LVD) | 14-level programmable reset/interrupt threshold ensures reliable brown-out protection across voltage tolerances. |
| Peripheral I/O redirection registers | Dynamic remapping of up to 8 peripheral functions to alternate pins simplifies PCB layout and design reuse. |
| Real-time clock with calendar | 99-year date/time tracking, alarm, and auto-correction supports time-stamped logging in data loggers and HMIs. |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Brushless DC motor commutation in HVAC blowers and pump drives requiring precise timing and fault response. IC Role / Device Role / Timing Role: Main controller executing FOC algorithms, managing PWM timers, ADC sampling, and overcurrent protection via LVD/ELC. Use Value: 32 MHz core + TAU timers deliver sub-microsecond PWM resolution; STOP mode reduces idle power during stand-by cycles. |
Use Scenario: Battery-powered environmental sensor (temp/humidity/pressure) transmitting data via UART-to-LoRaWAN gateway. IC Role / Device Role / Timing Role: Sensor aggregator with RTC-triggered wake-up, ADC acquisition, and low-power UART transmission. Use Value: 0.60 μA STOP mode with RTC extends 2xAA battery life beyond 5 years; integrated temp sensor enables self-calibration. |
| Factory Automation I/O Module | Home Appliance Control Panel |
Use Scenario: DIN-rail mounted digital I/O module converting Modbus RTU commands to isolated relay/digital outputs. IC Role / Device Role / Timing Role: Protocol handler with UART/LIN, ELC-driven GPIO toggling, and watchdog supervision. Use Value: Dual UARTs support simultaneous master/slave Modbus; ELC links UART RX event directly to GPIO toggle-no CPU cycle delay. |
Use Scenario: Touch-enabled washing machine UI with buzzer feedback, LED dimming, and safety interlock monitoring. IC Role / Device Role / Timing Role: Human interface processor managing capacitive touch, PCLBUZ1 audio, 8-bit DAC LED dimming, and door lock status. Use Value: Integrated PCLBUZ1 and DAC eliminate external drivers; 1.6 V min supply enables direct connection to Li-ion battery backup. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104GEGFB#V0 | Same package and pinout; 128 KB flash, 12 KB RAM, but rated for −40°C to +85°C (D grade) instead of G grade. | Suitable for commercial/industrial ambient environments without extended temperature requirements. | Select when operating temperature ≤ +85°C and cost sensitivity outweighs extended thermal margin. |
| R5F104GHDFB#V0 | Same G-grade temperature rating; upgraded to 192 KB flash and 20 KB RAM, same 48-pin LFQFP footprint. | Required for larger firmware images (e.g., OTA-capable stacks) or expanded RAM buffers in protocol gateways. | Choose when future firmware growth or real-time data buffering demands more memory headroom. |
Compared with R5F104GDDFB#V0, R5F104GEGFB#V0 offers identical functionality at lower thermal grade for cost-constrained designs, while R5F104GHDFB#V0 provides scalable memory for evolving feature sets-both retain full pin and code compatibility within the RL78/G14 family.
Availability
R5F104GDDFB#V0 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, and factory automation I/O modules requiring stable component supply, long-term lifecycle assurance, and G-grade temperature compliance.
Supply support for R5F104GDDFB#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, and power solutions for automotive, industrial, and IoT markets.
The RL78/G14 product line targets cost-sensitive, ultra-low-power general-purpose applications-designed to replace legacy 8/16-bit MCUs with enhanced integration, security, and energy efficiency.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F104GDDFB#V0?
The R5F104GDDFB#V0 operates at up to 32 MHz, delivering 44 DMIPS of processing performance. Its RL78 CPU core achieves a minimum instruction execution time of 0.03125 µs in high-speed mode using the on-chip oscillator. This enables real-time execution of motor control algorithms, protocol stacks, and sensor fusion tasks without external acceleration.
Does the R5F104GDDFB#V0 support in-system programming and secure firmware updates?
Yes, the R5F104GDDFB#V0 supports full in-system programming via on-chip debug interface and includes flash shield window, block erase prohibition, and boot swapping-enabling secure field firmware updates without exposing code memory. Self-programming is supported across the full 1.8–5.5 V supply range with background operation (BGO) for uninterrupted application execution.
How many analog-to-digital converter (ADC) channels does the R5F104GDDFB#V0 provide, and what are their key specifications?
The R5F104GDDFB#V0 integrates a 10-bit successive approximation ADC with up to 20 input channels, operating across the full 1.6–5.5 V supply range. It includes an internal 1.45 V reference voltage and integrated temperature sensor, supporting single- or continuous-conversion modes with programmable sample-and-hold timing for precision sensor interfacing.
What low-power modes are available on the R5F104GDDFB#V0, and what is the typical current consumption in each?
The R5F104GDDFB#V0 offers HALT mode (66 μA/MHz), STOP mode (0.60 μA with RTC and LVD active), and SNOOZE mode for selective peripheral operation. In STOP mode, the real-time clock maintains calendar time and alarm functions while consuming less than 1 μA-critical for multi-year battery operation in remote sensing applications.
Is the R5F104GDDFB#V0 pin-compatible with other RL78/G14 variants in the same package?
Yes, all RL78/G14 devices in the 48-pin LFQFP package-including R5F104GDDFB#V0, R5F104GEGFB#V0, and R5F104GHDFB#V0-share identical pinouts and electrical characteristics. Firmware and PCB designs are interchangeable across memory and temperature grade variants, enabling seamless scalability and qualification reuse.
R5F104GDDFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RL78/G14
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- 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:
- 34
- Program Memory Size:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 5.5K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 10x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104GDDFB#V0 FAQ
1.How can I place an order for R5F104GDDFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104GDDFB#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 R5F104GDDFB#V0 reliable?
The price and inventory of R5F104GDDFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104GDDFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F104GDDFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104GDDFB#V0 transactions.
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R5F104GDDFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104GDDFB#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 R5F104GDDFB#V0?
For technical support, including R5F104GDDFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104GDDFB#V0 requirements.
6.How does Aetrix verify that R5F104GDDFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F104GDDFB#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 R5F104GDDFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F104GDDFB#V0?
All R5F104GDDFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104GDDFB#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 R5F104GDDFB#V0 part is unused and in its original packaging.
Return procedure for R5F104GDDFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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