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Renesas R5F101GEAFB#V0
- Part No.:
- R5F101GEAFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F101GEAFB#V0.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,068
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Product details
Overview
R5F101GEAFB#V0 from Renesas is a 48-pin LFQFP (7 × 7 mm, 0.5-mm pitch), 64 KB flash, 4 KB data flash, 4 KB RAM RL78/G13 16-bit microcontroller operating from 1.6 V to 5.5 V, delivering 41 DMIPS at 32 MHz with ultra-low-power HALT/STOP/SNOOZE modes - deployed in battery-powered industrial sensors and smart metering front-ends.
For engineers reviewing the R5F101GEAFB#V0 datasheet, R5F101GEAFB#V0 pinout, R5F101GEAFB#V0 application, or R5F101GEAFB#V0 equivalent, key selection criteria include its 64 KB code flash + 4 KB data flash partitioning, integrated RTC with calendar/alarm, 10-bit 26-channel ADC, and support for LIN-bus UART - all within a -40°C to +85°C industrial temperature grade.
Technical Context
The R5F101GEAFB#V0 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, enabling instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a 12-bit interval timer, real-time clock with 99-year calendar and clock correction, and watchdog timer powered by dedicated low-speed on-chip oscillator.
Its peripheral set includes up to 16 channels of 16-bit timers, 3–10 I²C/Simplified I²C channels, 2–4 UART/LIN interfaces, 2–8 CSI (SPI-compatible) channels, and DMA controller with 2/4 channels supporting 2-clock transfers between SFR and RAM - optimized for deterministic sensor data acquisition and low-latency control loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Performance | 41 DMIPS at 32 MHz - enables real-time control of multi-sensor systems without external co-processors |
| Memory | 64 KB code flash (1 KB block size), 4 KB data flash (1M rewrite cycles), 4 KB RAM |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE - extends battery life in intermittent wake-up applications |
| Analog Peripherals | 10-bit 26-channel ADC with internal 1.45 V reference and temperature sensor; supports simultaneous sampling via hardware trigger |
| Timers & RTC | 16-bit timer ×16, 12-bit interval timer ×1, RTC with calendar, alarm, and ±1 ppm correction - eliminates need for external timekeeping ICs |
| Serial Interfaces | UART/LIN ×2, I²C ×3, CSI (SPI-compatible) ×2 - sufficient for sensor fusion, display interface, and host communication in compact designs |
Pinout & Package
Package: 48-pin LFQFP (7 × 7 mm, 0.5-mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains support mixed-voltage I/O (1.8/2.5/3.0 V interface capability) |
| P00–P07, P10–P17, P20–P27, P30–P37, P40–P47 | General-purpose I/O ports | Up to 38 programmable pins with N-ch open drain, TTL input buffer, and on-chip pull-up - configurable for key interrupt or buzzer output |
| P20/P21 | ADC analog inputs / AVREFP/AVREFM | Dedicated analog reference pins enable ratiometric measurement accuracy independent of VDD variation |
| P10/P11 | SCK00/SI00/RxD0/TOOLRxD | Shared SPI clock/data and UART receive - simplifies debug interface integration without extra pins |
| P14/P15 | CLKP/CLKM | Crystal oscillator input/output for external 32.768 kHz watch crystal - required for RTC calendar operation |
| RES | Reset input | Active-low reset with internal pull-up; accepts both asynchronous external reset and POR/LVD-generated reset events |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.57 μA in STOP mode with RTC + LVD active - enables >10-year battery life in coin-cell-powered devices |
| Data flash BGO | Background operation allows full program execution during 4 KB data flash rewrite - no firmware stalls during logging |
| On-chip debug | Fully integrated debug interface with SWD support and flash shield window - eliminates need for external JTAG adapter |
| Self-programming | Boot swap and flash shield window enable secure field firmware updates without external programmer |
| Temperature sensor | Integrated calibrated sensor (±2°C accuracy) usable for thermal compensation or ambient monitoring - no external component required |
| LIN-bus UART | Dedicated LIN protocol support in UART peripheral - reduces software overhead for automotive body electronics integration |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Residential electricity meter with pulse counting, tariff switching, and tamper detection. IC Role / Device Role / Timing Role: Main system controller managing metrology ADC interface, RTC-based billing cycles, and optical/IR communication stack. Use Value: Integrated 10-bit ADC with internal reference and RTC calendar eliminate external precision components, reducing BOM cost and PCB area by 12%. |
Use Scenario: Wireless vibration/temperature node in predictive maintenance system with 6-month battery life. IC Role / Device Role / Timing Role: Low-power sensor aggregator sampling accelerometer and thermistor every 5 seconds, then entering STOP mode with RTC wake-up. Use Value: 0.57 μA STOP current with RTC active enables 6+ months runtime on CR2032, avoiding costly energy harvesting circuitry. |
| Home Appliance Control | Automotive Body Electronics |
Use Scenario: Washing machine main control board requiring motor phase control, water level sensing, and user interface. IC Role / Device Role / Timing Role: Real-time motor timing generator using 16-bit timers and PWM outputs, plus ADC for pressure sensor feedback. Use Value: 16-channel 16-bit timers with dead-time insertion support precise BLDC commutation without external gate driver logic. |
Use Scenario: Door module controlling window lift, mirror fold, and interior lighting with LIN communication to body ECU. IC Role / Device Role / Timing Role: LIN slave node handling protocol framing, diagnostics, and GPIO-controlled actuators with wake-on-LIN capability. Use Value: Hardware-accelerated LIN UART reduces CPU load to <5% during continuous frame transmission, freeing resources for safety checks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100GEAFB#V0 | Includes 8 KB data flash (vs. 4 KB) and 8 KB RAM (vs. 4 KB); same 64 KB code flash, package, and peripherals | Preferred where extended data logging or larger firmware buffers are required - e.g., OTA update staging area | Select when additional data flash endurance or RAM headroom justifies minor cost increase |
| RL78/G14 R5F104GCAFB#V0 | Same pinout, 64 KB flash, but adds USB 2.0 FS controller and 16 KB RAM; operates up to +105°C | Required for USB-connected diagnostic tools or higher-temperature under-hood modules | Choose only if USB connectivity or extended temperature range is mandatory - otherwise over-spec'd |
Compared with R5F100GEAFB#V0, the R5F101GEAFB#V0 trades data flash capacity and RAM for lower cost and identical low-power performance; versus RL78/G14, it avoids USB complexity and cost while meeting standard industrial temperature requirements.
Availability
R5F101GEAFB#V0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and automotive body electronics requiring stable component supply across multi-year production cycles.
Supply support for R5F101GEAFB#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/G13 product line delivers true low-power 16-bit MCUs targeting cost-sensitive, battery-operated, and energy-efficient embedded applications - balancing performance, integration, and ultra-low quiescent current.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F101GEAFB#V0?
The R5F101GEAFB#V0 achieves a maximum operating frequency of 32 MHz with a high-speed on-chip oscillator, delivering 41 DMIPS of processing performance. Its minimum instruction execution time is 0.03125 μs in this mode, and it supports dynamic clock scaling down to 32.768 kHz for ultra-low-power RTC operation - enabling flexible trade-offs between speed and energy consumption in the R5F101GEAFB#V0 design.
Does the R5F101GEAFB#V0 support in-system programming and secure firmware updates?
Yes, the R5F101GEAFB#V0 supports full in-system programming via its on-chip debug interface and includes self-programming capabilities with boot swap function and flash shield window protection. These features allow secure field firmware updates without external programmers, and the prohibition of block erase/rewrite enhances security against unauthorized code modification in the R5F101GEAFB#V0.
What analog features are integrated into the R5F101GEAFB#V0 for sensor interfacing?
The R5F101GEAFB#V0 integrates a 10-bit resolution ADC with up to 26 analog input channels, internal 1.45 V reference voltage, and an on-die temperature sensor. It supports hardware-triggered conversions and simultaneous sampling - making it suitable for multi-sensor data acquisition in applications like environmental monitoring where precision and low component count are critical for the R5F101GEAFB#V0.
How does the R5F101GEAFB#V0 manage power in battery-constrained applications?
The R5F101GEAFB#V0 offers three ultra-low-power modes: HALT (66 μA/MHz), STOP (0.57 μA with RTC and LVD active), and SNOOZE. Its on-chip power-on-reset and 14-level voltage detector enable robust brown-out recovery. This enables multi-year operation on coin cells in applications such as wireless sensor nodes - a defining characteristic of the R5F101GEAFB#V0's system-level efficiency.
Is the R5F101GEAFB#V0 pin-compatible with other RL78/G13 variants in the same package?
Yes, the R5F101GEAFB#V0 shares identical 48-pin LFQFP mechanical dimensions and pinout with all other RL78/G13 devices in the FB package variant (e.g., R5F100GEAFB#V0, R5F101GGAFB#V0), including matching power, reset, clock, and peripheral signal assignments. This enables direct substitution within the same footprint when memory or feature requirements change - a key advantage of the R5F101GEAFB#V0 family scalability.
R5F101GEAFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RL78/G13
- 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:
- -
- RAM Size:
- 4K 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:
R5F101GEAFB#V0 FAQ
1.How can I place an order for R5F101GEAFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101GEAFB#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 R5F101GEAFB#V0 reliable?
The price and inventory of R5F101GEAFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101GEAFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F101GEAFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101GEAFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101GEAFB#V0?
R5F101GEAFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101GEAFB#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 R5F101GEAFB#V0?
For technical support, including R5F101GEAFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101GEAFB#V0 requirements.
6.How does Aetrix verify that R5F101GEAFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101GEAFB#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 R5F101GEAFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F101GEAFB#V0?
All R5F101GEAFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101GEAFB#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 R5F101GEAFB#V0 part is unused and in its original packaging.
Return procedure for R5F101GEAFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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