Renesas R5F100FFAFP#50
- Part No.:
- R5F100FFAFP#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F100FFAFP#50.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 44LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,000
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Product details
Overview
R5F100FFAFP#50 from Renesas Electronics is a 44-pin LQFP-44, 16-bit RL78/G13 microcontroller with 96 KB flash memory, 4 KB data flash, 4 KB RAM, and integrated peripherals including 10-bit ADC (12 channels), RTC, UART, I²C, and SPI interfaces. It operates from 1.6 V to 5.5 V, delivers 41 DMIPS at 32 MHz, and targets battery-powered industrial control and sensor interface applications.
For engineers reviewing the R5F100FFAFP#50 datasheet, R5F100FFAFP#50 pinout, R5F100FFAFP#50 application, or R5F100FFAFP#50 equivalent, key selection criteria include its ultra-low-power STOP mode (0.57 μA), on-chip debug support, self-programmable flash with boot swap, and industrial-grade temperature range (–40°C to +85°C).
Technical Context
The R5F100FFAFP#50 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz low-speed mode). Its memory subsystem includes 96 KB code flash (1 KB block size), 4 KB data flash with background operation (BGO), and 4 KB SRAM.
Peripherals include an 8/10-bit ADC with up to 12 analog inputs, real-time clock with calendar and alarm, 2-channel UART (LIN-capable), 3-channel I²C/Simplified I²C, 2-channel CSI (SPI-compatible), 12-bit interval timer, 16-bit timers (12 channels), and DMA controller (4 channels) enabling efficient data movement between SFRs and RAM in just 2 clocks per transfer.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic timing and compact code for resource-constrained embedded systems. |
| Max Operating Frequency | 32 MHz; delivers 41 DMIPS performance suitable for real-time control and protocol handling without external clock sources. |
| Flash Memory | 96 KB code flash with 1 KB erase blocks; supports secure block protection and in-application programming (IAP) via boot swap. |
| Data Flash | 4 KB with background operation (BGO); allows concurrent program execution and nonvolatile parameter storage during runtime. |
| ADC Resolution & Channels | 10-bit resolution, 12 input channels; provides sufficient precision for sensor signal acquisition in industrial monitoring systems. |
| Supply Voltage Range | 1.6 V to 5.5 V; enables direct interfacing with diverse power domains (e.g., 1.8 V logic, 3.3 V sensors, 5 V actuators). |
| Low-Power Modes | STOP mode draws 0.57 μA (RTC + LVD active); HALT mode consumes 66 μA/MHz - critical for multi-year battery life in remote nodes. |
Pinout & Package
Package: 44-pin LQFP (10 × 10 mm, 0.8-mm pitch), RoHS-compliant, surface-mount. Pinout validated per Renesas RL78/G13 datasheet Rev.3.80, Figure 1-1 and Table 1-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI Clock / I²C Clock | Shared multiplexed pin for synchronous serial communication; supports dual-protocol flexibility in space-constrained designs. |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI Input / UART RX / I²C Data | Tri-function pin enabling hardware reuse across SPI slave, UART receive, and I²C data lines - reduces external component count. |
| P12/SO00/TxD0/TOOLTxD | SPI Output / UART TX | Dual-role output pin simplifies debug interface integration (on-chip tooling) and serial communication without additional level shifters. |
| P13/INTP0/TOOLCLK | External Interrupt / Debug Clock | Supports both edge-triggered system wake-up and on-chip debugger synchronization - essential for low-power event-driven operation. |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Configurable as primary ADC channel or reference voltage source; enables ratiometric sensing and eliminates need for external VREF. |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Provides differential reference capability for noise-immune analog measurements when used with AVREFP. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA with RTC and LVD active - enables decade-scale battery life in metering and environmental sensors. |
| Self-programmable flash with boot swap | Enables field firmware updates with zero downtime and guaranteed rollback on corruption - critical for unattended devices. |
| Background operation (BGO) for data flash | Allows full CPU execution while rewriting nonvolatile parameters - eliminates interrupt latency during calibration or logging. |
| On-chip voltage detector (LVD) | 14 programmable threshold levels; provides configurable brown-out detection and safe shutdown before supply collapse. |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations accelerate motor control and filtering algorithms. |
| DMA with 2-clock transfers | Minimizes CPU load during peripheral-to-memory moves - improves real-time responsiveness in high-throughput sensor fusion. |
Applications
| Industrial Sensor Node | Smart Thermostat Controller |
|---|---|
|
Use Scenario: Battery-powered wireless temperature/humidity node with local display and BLE gateway interface. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC-based scheduling, UART-to-BLE bridge, and low-power state transitions. Use Value: 0.57 μA STOP mode extends CR2032 battery life beyond 5 years; integrated 10-bit ADC eliminates external signal conditioning ICs. |
Use Scenario: Residential HVAC control unit requiring precise ambient sensing, user interface, and relay actuation. IC Role / Device Role / Timing Role: Central MCU coordinating thermistor readings, LCD driver, keypad scan, and zero-crossing AC switching. Use Value: 41 DMIPS at 32 MHz handles PID loop execution and UI rendering concurrently; 1.6–5.5 V operation tolerates wide input rail variation. |
| Programmable Logic Controller (PLC) I/O Module | Energy Meter Front-End |
|
Use Scenario: DIN-rail mounted digital I/O expansion module with opto-isolated inputs and MOSFET outputs. IC Role / Device Role / Timing Role: Interface processor translating Modbus RTU commands into GPIO states and status reporting. Use Value: On-chip UART with LIN support ensures robust RS-485 communication; 12-bit interval timer enables precise pulse-width modulation for LED indicators. |
Use Scenario: Sub-metering device measuring current/voltage via shunt or CT, storing kWh data, and reporting via PLC or RF. IC Role / Device Role / Timing Role: Real-time data acquisition engine performing synchronized sampling, RMS calculation, and secure flash logging. Use Value: BGO-enabled data flash allows continuous energy accumulation and timestamped storage without interrupting sampling cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100FGAFP#50 | 128 KB flash, 8 KB data flash, 8 KB RAM - identical package and peripheral set. | Higher memory capacity supports larger firmware images and extended data logging buffers. | Select when firmware size exceeds 96 KB or long-term parameter history requires >4 KB nonvolatile storage. |
| R5F101FFAFP#50 | No data flash; same 96 KB code flash, 4 KB RAM, and peripheral complement. | Lacks background data rewrite capability - unsuitable for applications requiring runtime parameter updates. | Choose only if nonvolatile parameter storage is handled externally or not required; lower cost alternative where flash-only operation suffices. |
Compared with R5F100FFAFP#50, R5F100FGAFP#50 offers scalable memory headroom for future feature additions, while R5F101FFAFP#50 trades data flash functionality for reduced bill-of-materials cost in fixed-configuration deployments.
Availability
R5F100FFAFP#50 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat controllers, and PLC I/O modules requiring stable component supply, long-term lifecycle support, and verified RoHS compliance.
Supply support for R5F100FFAFP#50 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 management solutions for automotive, industrial, and IoT markets.
The RL78/G13 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated industrial and consumer equipment requiring high integration and long-term reliability.
FAQ
What is the maximum operating frequency and performance rating of the R5F100FFAFP#50?
The R5F100FFAFP#50 operates at up to 32 MHz and delivers 41 DMIPS performance. This is achieved using the RL78 CPU core's 3-stage pipeline and high-speed on-chip oscillator with ±1.0% accuracy across 1.8–5.5 V and –20°C to +85°C. The R5F100FFAFP#50 maintains this performance while consuming only 66 μA per MHz in active mode - a key advantage for energy-efficient designs.
Does the R5F100FFAFP#50 support in-system programming and secure firmware updates?
Yes, the R5F100FFAFP#50 supports full in-system programming via its on-chip debug interface and includes boot swap functionality within the flash library. This enables safe over-the-air or field firmware updates with automatic fallback to the previous valid image if corruption occurs. The R5F100FFAFP#50 also supports flash shield window and block erase prohibition for IP protection.
What analog capabilities does the R5F100FFAFP#50 provide for sensor interfacing?
The R5F100FFAFP#50 integrates a 10-bit successive-approximation ADC with 12 analog input channels, internal 1.45 V reference, and temperature sensor. It supports single-ended and differential modes using AVREFP/AVREFM pins. These features allow direct connection of thermistors, potentiometers, and current-sense amplifiers without external reference or signal conditioning - reducing BOM cost and board area in the R5F100FFAFP#50 design.
How does the R5F100FFAFP#50 manage power in battery-operated applications?
The R5F100FFAFP#50 offers multiple low-power modes: STOP mode draws just 0.57 μA with RTC and LVD active, HALT mode consumes 66 μA/MHz, and SNOOZE mode enables selective peripheral wake-up. Its 1.6–5.5 V operating range accommodates declining battery voltages without external regulators. These features make the R5F100FFAFP#50 ideal for multi-year deployments in remote sensors and portable instrumentation.
Is the R5F100FFAFP#50 pin-compatible with other RL78/G13 variants in the same package?
Yes, all RL78/G13 devices in the 44-pin LQFP-44 package (e.g., R5F100FAAFP#50 through R5F100FLAFP#50) share identical pinouts and electrical characteristics. This allows seamless migration between memory variants - such as upgrading from R5F100FFAFP#50 (96 KB flash) to R5F100FGAFP#50 (128 KB flash) - without PCB redesign or layout changes.
R5F100FFAFP#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-LQFP
- Series:
- RL78/G13
- Packaging:
- Tape & Reel (TR)
- 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:
- 31
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 8K 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:
R5F100FFAFP#50 FAQ
1.How can I place an order for R5F100FFAFP#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100FFAFP#50 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 R5F100FFAFP#50 reliable?
The price and inventory of R5F100FFAFP#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100FFAFP#50 is usually 5 days.
3.What payment methods are accepted for R5F100FFAFP#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100FFAFP#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100FFAFP#50?
R5F100FFAFP#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100FFAFP#50 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 R5F100FFAFP#50?
For technical support, including R5F100FFAFP#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100FFAFP#50 requirements.
6.How does Aetrix verify that R5F100FFAFP#50 is sourced from the original manufacturer or authorized distributors?
All R5F100FFAFP#50 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 R5F100FFAFP#50 meets industry standards.
7.What is the process for return or replacement of R5F100FFAFP#50?
All R5F100FFAFP#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100FFAFP#50, 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 R5F100FFAFP#50 part is unused and in its original packaging.
Return procedure for R5F100FFAFP#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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