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Renesas R5F104GEAFB#V0
- Part No.:
- R5F104GEAFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F104GEAFB#V0.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,361
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Product details
Overview
R5F104GEAFB#V0 from Renesas is a 48-pin LFQFP, 48 KB flash, 5.5 KB RAM RL78/G14 16-bit microcontroller operating from 1.6–5.5 V, delivering 44 DMIPS at 32 MHz with ultra-low power consumption (66 μA/MHz active, 0.60 μA RTC+LVD mode), used in battery-powered industrial sensors and smart metering interfaces.
For engineers reviewing the R5F104GEAFB#V0 datasheet, R5F104GEAFB#V0 pinout, R5F104GEAFB#V0 application, or R5F104GEAFB#V0 equivalent, key selection criteria include its 48 KB code flash + 4 KB data flash with BGO, 10-bit 20-channel ADC, dual UART/LIN support, and industrial-grade −40 to +85°C operation in LFQFP-48 package.
Technical Context
The R5F104GEAFB#V0 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz) to 30.5 μs (32.768 kHz), and integrates a Data Transfer Controller (DTC) for autonomous memory transfers triggered by 19–26 event sources via the Event Link Controller (ELC).
It features a high-accuracy ±1.0% on-chip oscillator (selectable 1–64 MHz), real-time clock with calendar/alarm/correction, and hardware peripherals including Timer Array Unit (TAU), 12-bit interval timer, watchdog timer, and simplified SPI/CSI (up to 8 channels), UART/LIN (4 channels), and I²C (up to 10 channels).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC with 3-stage pipeline, 44 DMIPS @ 32 MHz |
| Flash Memory | 48 KB code flash + 4 KB data flash; supports background operation (BGO) and 1M rewrite cycles |
| RAM | 5.5 KB on-chip RAM; includes dedicated areas for flash library use (start address FE900H) |
| ADC | 10-bit resolution, 20 analog input channels, internal 1.45 V reference and temperature sensor |
| Operating Voltage | 1.6 V to 5.5 V single supply; enables direct interface with 1.8/2.5/3.0 V logic systems |
| Power Modes | HALT (66 μA/MHz), STOP (0.60 μA), SNOOZE; LVD with 14-level interrupt/reset selection |
| Temperature Range | −40°C to +85°C (industrial A-grade); qualified for long-term reliability in embedded control |
Pinout & Package
Package: 48-pin LFQFP (7 × 7 mm, 0.5 mm pitch), lead-free, RoHS-compliant, with exposed thermal pad (not electrically connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | TxD1 / TI00 / TRGCLKA | Primary UART transmit; timer input; debug clock input; supports asynchronous serial and timing functions |
| P01 | RxD1 / TO00 / TRGCLKB | Primary UART receive; timer output; debug clock output; enables full-duplex comms and trigger synchronization |
| P10–P17 | CSI1/SPI1, UART2, I²C, DTC-triggered I/O | Multi-function peripheral bank supporting simultaneous serial protocols and event-driven DMA transfers |
| P20–P27 | ANI0–ANI7 / AVREFP / AVREFM / ANO0 / ANO1 | 8-channel analog input group with differential reference capability; supports precision sensor signal acquisition |
| P30–P31 | RTC1HZ / SCK00 / INT P3/P4 / PCLBUZ0 | Real-time clock output; master clock for SPI0; external interrupt inputs; buzzer drive for UI feedback |
| P50–P51 | RxD0/TxD0 / TOOLRxD/TOOLTxD / TRGIOA/TRGIOB | On-chip debug interface pins; enable SWD-style programming and real-time trace without external adapters |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; compatible with external reset supervisors and manual reset buttons |
| VDD / VSS | Power supply / Ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling; REGC capacitor (0.47–1 μF) required |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT mode | 66 μA/MHz active current enables >10-year battery life in periodic-sensing applications |
| Data Flash BGO | Execute code from flash while rewriting 4 KB data flash-no CPU stall during firmware updates or logging |
| ELC event linking | Direct hardware routing of 19–26 peripheral events eliminates CPU polling overhead and ISR latency |
| On-chip LIN support | UART2 with automatic LIN break detection and sync field generation simplifies automotive body electronics integration |
| Hardware CRC calculator | Accelerates checksum computation for firmware integrity verification and secure boot validation |
| Self-programming with shield window | Prevents unauthorized flash access via configurable memory protection window during runtime |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
|
Use Scenario: Bidirectional energy monitoring with pulse counting, tariff switching, and tamper detection. IC Role / Device Role / Timing Role: Main controller managing metrology IC interface, LCD driver, IR/RF communication, and real-time billing timestamping. Use Value: 48 KB flash stores multi-tariff algorithms and secure firmware; RTC with calendar ensures accurate billing intervals; 10-bit ADC reads shunt voltage and current transformers. |
Use Scenario: Wireless vibration/temperature node in predictive maintenance systems with local edge processing. IC Role / Device Role / Timing Role: Signal conditioner and protocol gateway converting analog sensor outputs to Modbus RTU or UART-based BLE packets. Use Value: Low-power STOP mode extends battery life; DTC offloads ADC-to-memory transfers; UART/LIN supports legacy fieldbus integration. |
| Home Appliance Control | Building Automation Panel |
|
Use Scenario: Washing machine main board managing motor control, water level sensing, user interface, and safety interlocks. IC Role / Device Role / Timing Role: Central MCU coordinating PWM motor drivers, capacitive touch keys, buzzer alerts, and EEPROM-based cycle history. Use Value: 4 KB data flash logs error codes and usage stats with 1M write endurance; SNOOZE mode enables fast wake-on-button press; on-chip BCD correction simplifies display formatting. |
Use Scenario: HVAC zone controller interfacing with thermostats, dampers, and CO₂ sensors across RS-485 networks. IC Role / Device Role / Timing Role: Protocol translator and scheduler executing PID loops, scheduling ventilation cycles, and buffering network messages. Use Value: Dual UARTs handle independent Modbus master/slave roles; 20-channel ADC monitors multiple environmental sensors; −40 to +85°C rating ensures reliability in unconditioned mechanical rooms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104GEAFB#X0 | Identical silicon; differs only in packaging specification (embossed tape vs. tray) | No functional or electrical difference; same PCB footprint and thermal profile | Select #X0 for automated SMT line feeding; #V0 for manual or low-volume prototyping |
| R5F104FEAFB#V0 | Same 48-pin LFQFP package but with 32 KB flash, 4 KB RAM, and no data flash BGO | Limited firmware storage and no concurrent program/data flash operations | Choose when application size fits 32 KB and background rewrites are unnecessary |
Compared with R5F104GEAFB#V0, the #X0 variant offers identical functionality with tape-and-reel logistics benefits, while the R5F104FEAFB#V0 reduces cost and flash capacity-making it suitable for simpler control tasks where BGO and extended code space are not required.
Availability
R5F104GEAFB#V0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, and home appliance control requiring stable component supply, long-lifecycle support, and industrial-temperature grade assurance.
Supply support for R5F104GEAFB#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 true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications demanding high integration, robustness, and long-term supply stability.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F104GEAFB#V0?
The R5F104GEAFB#V0 achieves a maximum operating frequency of 32 MHz using its high-speed on-chip oscillator, delivering 44 DMIPS performance. This is measured under standard conditions (VDD = 1.8–5.5 V, TA = −40 to +85°C) and reflects the RL78 CPU core's 3-stage pipeline efficiency with multiply/divide support.
Does the R5F104GEAFB#V0 support background operation for data flash writes?
Yes, the R5F104GEAFB#V0 supports Background Operation (BGO) for its 4 KB data flash memory. This allows the CPU to execute instructions from program memory while simultaneously rewriting data flash-enabling seamless firmware updates, parameter logging, and configuration storage without system interruption.
What are the analog capabilities of the R5F104GEAFB#V0, including ADC resolution and channel count?
The R5F104GEAFB#V0 integrates a 10-bit successive-approximation ADC with up to 20 analog input channels (ANI0–ANI19), internal 1.45 V reference voltage, and an on-chip temperature sensor. It supports single-ended and differential input modes, making it suitable for precision sensor interfacing in industrial and consumer applications.
Which serial communication interfaces are available on the R5F104GEAFB#V0, and how many instances does each support?
The R5F104GEAFB#V0 provides three serial interface types: up to 8 CSI (simplified SPI) channels, up to 4 UART/LIN channels (with LIN physical layer compliance), and up to 10 I²C/simplified I²C channels. UART2 includes dedicated LIN break detection and sync field generation for automotive body electronics.
What is the industrial temperature range qualification for the R5F104GEAFB#V0, and what does the 'A' suffix indicate in its ordering code?
The R5F104GEAFB#V0 is qualified for −40°C to +85°C operation, designated by the 'A' in its part number (R5F104GEAFB#V0), indicating suitability for industrial applications. This grade ensures guaranteed performance, reliability, and longevity across extended thermal cycles typical in factory automation and infrastructure equipment.
R5F104GEAFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-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:
- 34
- Program Memory Size:
- 64KB (64K 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:
R5F104GEAFB#V0 FAQ
1.How can I place an order for R5F104GEAFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104GEAFB#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 R5F104GEAFB#V0 reliable?
The price and inventory of R5F104GEAFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104GEAFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F104GEAFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104GEAFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104GEAFB#V0?
R5F104GEAFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104GEAFB#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 R5F104GEAFB#V0?
For technical support, including R5F104GEAFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104GEAFB#V0 requirements.
6.How does Aetrix verify that R5F104GEAFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F104GEAFB#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 R5F104GEAFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F104GEAFB#V0?
All R5F104GEAFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104GEAFB#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 R5F104GEAFB#V0 part is unused and in its original packaging.
Return procedure for R5F104GEAFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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