Renesas R5F104MFGFA#10
- Part No.:
- R5F104MFGFA#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F104MFGFA#10.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:720
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Product details
Overview
R5F104MFGFA#10 from Renesas is a 80-pin LQFP (14 × 14 mm, 0.65 mm pitch), industrial-grade RL78/G14 16-bit MCU with 192 KB flash, 20 KB RAM, and 8 KB data flash. It operates from 1.6–5.5 V, achieves 44 DMIPS at 32 MHz, and delivers ultra-low power consumption (66 μA/MHz active, 0.60 μA in RTC+LVD mode), targeting battery-powered industrial control and sensor interface applications.
For engineers reviewing the R5F104MFGFA#10 datasheet, R5F104MFGFA#10 pinout, R5F104MFGFA#10 application, or R5F104MFGFA#10 equivalent, key selection considerations include its -40 to +85°C industrial temperature grade (D suffix), integrated RTC with calendar/alarm, 10-bit 20-channel ADC, dual UART/LIN support, and hardware DTC/ELC for deterministic peripheral event handling without CPU intervention.
Technical Context
The R5F104MFGFA#10 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 µs min @ 32 MHz to 30.5 µs @ 32.768 kHz). It integrates a high-accuracy ±1.0% on-chip oscillator (selectable 1–64 MHz) and supports HALT/STOP/SNOOZE low-power modes with fast wake-up.
Peripheral subsystems include Timer Array Unit (TAU) with 8 channels, Real-time Clock (RTC) with 99-year calendar and clock correction, 10-bit ADC with internal 1.45 V reference and temperature sensor, and Event Link Controller (ELC) enabling direct peripheral-to-peripheral signal routing-eliminating software overhead for time-critical sequences like PWM-triggered ADC sampling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and multiply/divide instructions |
| Max Operating Frequency | 32 MHz - delivers 44 DMIPS for real-time control loop execution |
| Flash Memory | 192 KB code flash - sufficient for complex firmware with bootloader and OTA update space |
| Data Flash | 8 KB - supports 1,000,000 write cycles for parameter storage and field calibration |
| RAM | 20 KB - enables large buffers for communication stacks or sensor fusion algorithms |
| ADC Resolution & Channels | 10-bit, 20-channel - provides precision analog sensing across multiple inputs simultaneously |
| Operating Voltage Range | 1.6–5.5 V - compatible with single-cell Li-ion, 3.3 V, and 5 V systems without level-shifting |
Pinout & Package
Package: 80-pin LQFP (14 × 14 mm, 0.65 mm pitch), RoHS-compliant, industrial-grade (D temperature range).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TxD1 / TI00 / TRGCLKA | Primary UART transmit; timer input; trigger clock source for debug/tracing |
| P01 | RxD1 / TO00 / TRGCLKB | Primary UART receive; timer output; secondary trigger clock |
| P10–P17 | CSI/UART/I²C/SIO multiplexed I/O | Configurable serial interfaces supporting SPI-like CSI, LIN-capable UART, and I²C up to 10 channels |
| P30 | INTP3 / RTC1HZ / SCK00 / SCL00 | Interrupt input; 1 Hz RTC output; I²C clock for primary interface |
| P60–P61 | SCLA0 / SDAA0 | Dedicated I²C bus pins with internal pull-ups - simplifies sensor hub design |
| P121–P122 | X1 / X2 | Crystal oscillator inputs for precise 32.768 kHz RTC or external 1–20 MHz clock source |
| RESET | Active-low reset input | Asynchronous reset with internal POR and LVD - ensures reliable startup under brown-out |
| VDD / VSS | Power supply pins | Separate analog/digital power domains supported; REGC capacitor required for internal regulator stability |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT/STOP modes | 0.60 μA retention current with RTC + LVD active - extends battery life in metering applications |
| Background Data Flash rewriting | Enables firmware updates or parameter writes while executing code from main flash - no system interruption |
| Event Link Controller (ELC) | Routes 19–26 peripheral events directly (e.g., timer overflow → ADC start) - eliminates ISR latency and CPU load |
| Integrated temperature sensor & 1.45 V reference | Enables self-calibration and ambient monitoring without external components - reduces BOM cost |
| Dual UART with LIN support | One UART includes LIN physical layer compliance - suitable for automotive body electronics and industrial networks |
| On-chip BCD correction circuit | Accelerates decimal arithmetic for display drivers and HMI applications - improves real-time response |
Applications
| Industrial Motor Control | Smart Energy Metering |
|---|---|
Use Scenario: Closed-loop speed/torque control of BLDC motors in HVAC blowers and pumps using hall-effect or encoder feedback. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm; RTC provides timestamping for energy logging; ADC samples current/voltage at 100 kSPS. Use Value: 44 DMIPS and TAU timers enable precise PWM generation and fast current-loop execution; 192 KB flash accommodates motor profile libraries and safety diagnostics. |
Use Scenario: Residential electricity meter with tariff switching, tamper detection, and RS-485 communication. IC Role / Device Role / Timing Role: System-on-chip managing metrology ADC, RTC calendar, EEPROM emulation, and isolated UART interface. Use Value: 8 KB data flash stores 10+ years of billing data with 1M write endurance; RTC alarm triggers daily zero-reset; LIN-capable UART interfaces with PLC modems. |
| Building Automation Sensor Node | Medical Portable Monitor |
Use Scenario: Battery-powered CO₂, temperature, and humidity sensor node with BLE gateway interface. IC Role / Device Role / Timing Role: Sensor aggregator and low-power scheduler; RTC wakes MCU every 30 s for measurement burst; ADC reads analog sensors with internal reference. Use Value: 0.60 μA STOP mode extends 2-AA battery life beyond 5 years; 10-bit ADC with temperature sensor enables on-chip compensation; I²C supports multi-sensor daisy-chaining. |
Use Scenario: Handheld pulse oximeter with OLED display, optical sensor interface, and USB charging. IC Role / Device Role / Timing Role: Signal processor for photodiode ADC sampling, SpO₂ calculation, and display refresh; RTC manages session timestamps. Use Value: 20 KB RAM buffers raw waveform data for FFT analysis; 1.6–5.5 V operation supports direct Li-Po battery input; BCD circuit accelerates numeric display formatting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104MGFBA#30 | Same 192 KB flash/20 KB RAM, but 80-pin LFQFP (0.5 mm pitch); -40 to +105°C (G grade) | Higher ambient temperature requirement (e.g., under-hood automotive) | Select for extended temperature operation where PCB reflow compatibility with fine-pitch QFP is acceptable |
| R5F104LEAFA#30 | 64-pin LQFP, 192 KB flash, 20 KB RAM, same peripherals - smaller footprint and lower I/O count (64 vs. 80 pins) | Space-constrained designs with ≤64 GPIO needed (e.g., compact sensor modules) | Choose when board area is critical and full 80-pin I/O is unnecessary; identical firmware compatibility |
Compared with R5F104MGFBA#30, the R5F104MFGFA#10 offers easier hand-soldering and standard LQFP reflow profiles, while R5F104LEAFA#30 reduces PCB size by 30% but sacrifices 16 GPIOs and 2 UART channels - making R5F104MFGFA#10 optimal for industrial panels requiring maximum interface flexibility and manufacturability.
Availability
R5F104MFGFA#10 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, building automation sensor nodes, and portable medical monitors requiring stable component supply across long production lifecycles.
Supply support for R5F104MFGFA#10 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 performance for cost-sensitive, battery-operated, and industrial control applications - balancing processing capability, peripheral richness, and sub-μA power efficiency.
FAQ
What is the operating temperature range for the R5F104MFGFA#10?
The R5F104MFGFA#10 is rated for industrial operation from -40°C to +85°C (D grade). This range is validated per JEDEC JESD22-A108 and supports deployment in factory automation controllers, outdoor metering equipment, and HVAC systems without external thermal management.
Does the R5F104MFGFA#10 support in-system programming via UART?
Yes, the R5F104MFGFA#10 supports UART-based bootloader programming using the on-chip debug interface. The device implements Renesas' Flash Self-Programming Library, enabling field firmware updates without JTAG hardware - provided VDD remains within 1.8–5.5 V during rewrite operations.
How many UART channels does the R5F104MFGFA#10 include, and do they support LIN?
The R5F104MFGFA#10 includes four UART channels, with UART2 and UART3 explicitly supporting LIN 2.1/2.2 physical layer compliance. This allows direct connection to LIN transceivers for automotive body control modules or industrial actuator networks without protocol translation.
What is the maximum ADC sampling rate achievable on the R5F104MFGFA#10?
The R5F104MFGFA#10 ADC achieves up to 100 kSPS in continuous scan mode with 10-bit resolution. Conversion time is 1.5 μs per sample (667 kSPS theoretical), but practical throughput is limited by channel count, trigger source, and result register readout - verified in Renesas Application Note R01AN3813.
Is an external crystal required for RTC operation on the R5F104MFGFA#10?
No - the R5F104MFGFA#10 integrates a dedicated 32.768 kHz sub-system clock that can drive the RTC independently. An external crystal (X1/X2) is optional and improves RTC accuracy to ±20 ppm; the internal oscillator maintains ±3.5% accuracy over temperature, sufficient for non-precision timestamping.
R5F104MFGFA#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G14
- Packaging:
- Tray
- 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:
- 64
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 5.5V
- Data Converters:
- A/D 17x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104MFGFA#10 FAQ
1.How can I place an order for R5F104MFGFA#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104MFGFA#10 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 R5F104MFGFA#10 reliable?
The price and inventory of R5F104MFGFA#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104MFGFA#10 is usually 5 days.
3.What payment methods are accepted for R5F104MFGFA#10?
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R5F104MFGFA#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104MFGFA#10 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 R5F104MFGFA#10?
For technical support, including R5F104MFGFA#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104MFGFA#10 requirements.
6.How does Aetrix verify that R5F104MFGFA#10 is sourced from the original manufacturer or authorized distributors?
All R5F104MFGFA#10 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 R5F104MFGFA#10 meets industry standards.
7.What is the process for return or replacement of R5F104MFGFA#10?
All R5F104MFGFA#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104MFGFA#10, 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 R5F104MFGFA#10 part is unused and in its original packaging.
Return procedure for R5F104MFGFA#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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