Renesas R5F101FGAFP#V0
- Part No.:
- R5F101FGAFP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F101FGAFP#V0.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 44LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,518
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Product details
Overview
R5F101FGAFP#V0 from Renesas is a 44-pin LQFP, 96 KB flash, no data flash, industrial-grade RL78/G13 16-bit MCU operating from 1.6 V to 5.5 V, delivering 41 DMIPS at 32 MHz with ultra-low-power HALT/STOP/SNOOZE modes (0.57 μA RTC+LVD), used in battery-powered sensor nodes and industrial control panels.
For engineers reviewing the R5F101FGAFP#V0 datasheet, R5F101FGAFP#V0 pinout, R5F101FGAFP#V0 application, or R5F101FGAFP#V0 equivalent, this page delivers verified specifications, package mapping, real-world use cases, and validated alternative options for embedded design and BOM optimization.
Technical Context
The R5F101FGAFP#V0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a 12-bit interval timer, calendar-based real-time clock with alarm and correction, and 16-bit timers (12 channels).
It features dual serial interfaces: up to 4 UART/LIN channels and 10 I²C/Simplified I²C channels, plus an 8/10-bit A/D converter with 26 analog inputs, internal 1.45 V reference, and temperature sensor - all operable across -40°C to +85°C ambient range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic timing and low-energy interrupt response. |
| Max Operating Frequency | 32 MHz; delivers 41 DMIPS for real-time control loops in motor drives and PLC modules. |
| Flash Memory | 96 KB code flash (1 KB block size); supports secure erase prohibition and boot swap for firmware updates. |
| RAM Size | 8 KB on-chip RAM; sufficient for RTOS stacks, communication buffers, and sensor fusion algorithms. |
| Supply Voltage Range | 1.6 V to 5.5 V; allows direct interface with Li-ion, 3.3 V, and 5 V systems without level-shifting. |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA w/ RTC+LVD); extends battery life in wireless sensor transmitters. |
| Analog Peripherals | 8/10-bit ADC (26 ch), internal 1.45 V reference, and integrated temperature sensor; eliminates external references in thermal monitoring. |
Pinout & Package
44-pin LQFP (10 × 10 mm, 0.8-mm pitch), RoHS-compliant, tray-packaged (#V0), rated for industrial temperature (-40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI Clock / I²C Clock | Shared pin for synchronous serial master clock; supports dual-protocol peripheral expansion. |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI Input / UART RX / I²C Data | Multi-function input pin enabling flexible interface selection without PCB redesign. |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Configurable as primary analog channel or precision ADC reference source. |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Enables differential ADC measurements or ratiometric sensing with AVREFP. |
| P22/ANI2 | Analog Input 2 | Dedicated analog input for sensor signal acquisition; supports internal temperature sensor routing. |
| RESET | Active-Low Reset Input | Accepts external reset pulses or connects to on-chip POR/LVD circuitry for robust power sequencing. |
Key Features
| Feature | Design Value |
|---|---|
| Self-programming flash | Enables field firmware updates via boot swap and flash shield window - no external programmer required. |
| Background operation (BGO) | Allows code execution from flash while rewriting data flash - critical for logging without system freeze. |
| DMA controller (4-channel) | Reduces CPU load during high-speed ADC sampling or UART transfers; 2-clock transfer latency. |
| Real-time clock (RTC) | Calendar function (99-year range), alarm, and auto-correction - eliminates external RTC IC in time-stamped logging. |
| Multi-voltage I/O | Supports 1.8 V / 2.5 V / 3 V logic interfacing; simplifies mixed-voltage board design with legacy sensors. |
Applications
| Industrial Sensor Node | Smart Thermostat Controller |
|---|---|
|
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and CO₂ over LoRaWAN. IC Role / Device Role / Timing Role: Main system controller executing sensor polling, ADC conversion, data preprocessing, and radio stack scheduling. Use Value: 0.57 μA STOP mode with RTC wake-up extends 2xAA battery life beyond 5 years; integrated temperature sensor reduces component count. |
Use Scenario: Residential HVAC control unit managing zone valves, fan speed, and display via touch interface. IC Role / Device Role / Timing Role: Real-time coordinator of PWM fan drivers, thermistor readings, and user input debounce with precise 12-bit ADC. Use Value: 41 DMIPS at 32 MHz ensures sub-10 ms loop response for PID heating control; multi-voltage I/O interfaces directly with 3.3 V display and 5 V valve drivers. |
| Programmable Logic Controller (PLC) Module | Energy Metering Subsystem |
|
Use Scenario: DIN-rail mounted I/O module converting 24 V digital inputs to Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Isolation-aware digital input conditioner, protocol handler, and watchdog supervisor. Use Value: On-chip LVD with 14-level interrupt/reset selection ensures reliable brown-out recovery in noisy factory environments. |
Use Scenario: Secondary microcontroller in smart meter handling tamper detection, pulse counting, and backup RTC. IC Role / Device Role / Timing Role: Low-power auxiliary processor managing non-volatile event logging and time-of-use billing timestamps. Use Value: 96 KB flash stores extended tamper logs; 1 million-cycle data flash endurance supports >10 years of daily metering records. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101FGAFP#X0 | Identical silicon; differs only in packaging (embossed tape vs. tray). | No functional or electrical difference; suitable for automated SMT lines requiring tape-and-reel feed. | Select #X0 for high-volume pick-and-place assembly; #V0 for prototyping or low-volume hand-soldering. |
| R5F100FGAFP#V0 | Same package and pinout, but includes 8 KB data flash and operates at -40°C to +85°C (A-grade). | Requires data logging capability; not qualified for industrial temp range (no G-grade option). | Choose R5F100FGAFP#V0 only if data flash is mandatory and ambient stays ≤+85°C; otherwise R5F101FGAFP#V0 offers better thermal margin. |
Compared with R5F101FGAFP#V0, the #X0 variant provides identical functionality in tape format for production scalability, while R5F100FGAFP#V0 trades industrial temperature rating for on-chip data flash - making R5F101FGAFP#V0 optimal for cost-sensitive, thermally demanding control applications without persistent data storage needs.
Availability
R5F101FGAFP#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat controllers, and programmable logic controller modules requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R5F101FGAFP#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/G13 family targets cost-sensitive, ultra-low-power general-purpose embedded applications - balancing performance, energy efficiency, and integration for industrial controls and consumer appliances.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for R5F101FGAFP#V0?
The R5F101FGAFP#V0 operates at up to 32 MHz and delivers 41 DMIPS, measured using the EEMBC CoreMark benchmark. This performance level supports real-time tasks such as motor control loops, sensor fusion, and protocol stack processing without external acceleration.
Does R5F101FGAFP#V0 include data flash memory?
No, R5F101FGAFP#V0 does not include data flash memory. The "101" in the part number explicitly denotes absence of data flash per Renesas' naming convention. For applications requiring non-volatile parameter storage, consider R5F100FGAFP#V0 (8 KB data flash) or external EEPROM.
What is the operating temperature range specified for R5F101FGAFP#V0?
R5F101FGAFP#V0 is rated for industrial operation from -40°C to +85°C. The "D" suffix in its full ordering designation (implied by #V0 packaging and RL78/G13 family documentation) confirms this grade - distinct from consumer-grade "A" (-40°C to +85°C, same range but different qualification) and extended-grade "G" (-40°C to +105°C).
Which serial communication interfaces are supported on R5F101FGAFP#V0?
R5F101FGAFP#V0 supports up to 4 UART/LIN channels, up to 10 I²C/Simplified I²C channels, and up to 8 CSI (SPI-compatible) channels. All are configurable via software register settings, with shared pins like P10/P11 enabling flexible peripheral assignment.
How many analog input channels does the integrated ADC support on R5F101FGAFP#V0?
The R5F101FGAFP#V0 integrates an 8/10-bit successive approximation ADC with up to 26 analog input channels. Inputs include dedicated pins (e.g., P20–P22), internal temperature sensor, and internal 1.45 V reference - all accessible without external components.
R5F101FGAFP#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-LQFP
- Series:
- RL78/G13
- 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:
- 31
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 12K 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:
R5F101FGAFP#V0 FAQ
1.How can I place an order for R5F101FGAFP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101FGAFP#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 R5F101FGAFP#V0 reliable?
The price and inventory of R5F101FGAFP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101FGAFP#V0 is usually 5 days.
3.What payment methods are accepted for R5F101FGAFP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101FGAFP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101FGAFP#V0?
R5F101FGAFP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101FGAFP#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 R5F101FGAFP#V0?
For technical support, including R5F101FGAFP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101FGAFP#V0 requirements.
6.How does Aetrix verify that R5F101FGAFP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101FGAFP#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 R5F101FGAFP#V0 meets industry standards.
7.What is the process for return or replacement of R5F101FGAFP#V0?
All R5F101FGAFP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101FGAFP#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 R5F101FGAFP#V0 part is unused and in its original packaging.
Return procedure for R5F101FGAFP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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