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Renesas R5F100PFAFA#50
- Part No.:
- R5F100PFAFA#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F100PFAFA#50.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:750
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Product details
Overview
R5F100PFAFA#50 from Renesas is a 100-pin LQFP-0.65mm MCU in the RL78/G13 family, featuring 128 KB flash memory, 12 KB RAM, and 8 KB data flash. It operates from 1.6 V to 5.5 V, delivers 41 DMIPS at 32 MHz, and supports ultra-low-power modes (66 μA/MHz active, 0.57 μA RTC+LVD). It targets battery-powered industrial control panels requiring integrated analog sensing, real-time clock, and UART/LIN communication.
For engineers reviewing the R5F100PFAFA#50 datasheet, R5F100PFAFA#50 pinout, R5F100PFAFA#50 application, or R5F100PFAFA#50 equivalent, key selection criteria include its 100-pin LQFP package with 26-channel 10-bit ADC, dual UART with LIN support, RTC calendar function, and verified operation from –40°C to +85°C in consumer/industrial settings.
Technical Context
The R5F100PFAFA#50 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 calendar/alarm/correction, and watchdog timer with dedicated low-speed oscillator.
Its peripheral set includes up to 16 channels of 16-bit timer, 3–10 I²C/Simplified I²C channels, 2–4 UART/LIN interfaces, 2–8 CSI (SPI-compatible) channels, and DMA controller with 4 channels supporting 2-clock transfers between SFR and RAM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz - enables 41 DMIPS performance for real-time control tasks |
| Flash Memory | 128 KB code flash - sufficient for complex firmware with bootloader and OTA update partitioning |
| Data Flash | 8 KB - supports 1,000,000 write cycles for nonvolatile parameter storage without external EEPROM |
| RAM | 12 KB on-chip RAM - accommodates stack, heap, and real-time buffers for multi-tasking RTOS use |
| ADC | 10-bit resolution, 26 input channels - allows simultaneous monitoring of multiple sensors in industrial HMI |
| Operating Voltage | 1.6 V to 5.5 V - supports direct connection to Li-ion, alkaline, or regulated 3.3 V/5 V rails |
| Temp Range | –40°C to +85°C - qualified for consumer and industrial ambient environments without derating |
Pinout & Package
Package: 100-pin LQFP (14 × 20 mm, 0.65-mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Serial Clock Input/Output | Shared SPI clock (CSI0) or I²C clock - enables dual-protocol peripheral interfacing on same pin |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Serial Data Input / UART RX / I²C Data | Multi-function pin supporting SPI master/slave, full-duplex UART, debug tool interface, and I²C data line |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Primary analog input channel with selectable internal reference (1.45 V) or external AVREFP for precision measurement |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Differential analog input or ADC reference negative - enables ratiometric sensor readings and noise rejection |
| P22/ANI2 | Analog Input 2 | Dedicated analog input with temperature sensor and internal 1.45 V reference - supports on-chip thermal monitoring |
| P147/ANI18 | Analog Input 18 | High-numbered analog channel accessible in 100-pin variant - expands sensor count for multi-zone systems |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT/STOP/SNOOZE modes | Enables sub-μA sleep current with fast wake-up (< 4 μs), critical for energy-harvesting and battery-life-critical designs |
| On-chip data flash with BGO | Allows background rewriting while executing code from main flash - eliminates interrupt latency during firmware updates |
| Real-time clock with calendar | 99-year calendar, alarm, and auto-correction - eliminates need for external RTC IC in time-stamped logging applications |
| LIN bus support in UART peripheral | Hardware-assisted LIN 2.2 compliance via UART module - reduces CPU overhead and ensures protocol timing accuracy |
| Self-programming with flash shield window | Enables secure firmware updates and prevents unauthorized access to protected memory regions during field upgrades |
| On-chip voltage detector (LVD) | 14-level programmable reset/interrupt threshold - provides robust brown-out protection across varying supply conditions |
Applications
| Industrial HMI Panel | Smart Thermostat Controller |
|---|---|
|
Use Scenario: Standalone touch-enabled display panel with local logic, sensor fusion, and serial gateway functions. IC Role / Device Role / Timing Role: Main system controller managing capacitive touch scanning, 10-bit ADC sampling of ambient/temp/humidity sensors, and UART-to-LIN bridging for HVAC actuator control. Use Value: Integrated 26-channel ADC, LIN-capable UART, and RTC eliminate 3 external ICs; 128 KB flash hosts GUI engine + communication stack. |
Use Scenario: Battery-powered residential thermostat with wireless reporting, local display, and relay control. IC Role / Device Role / Timing Role: Primary MCU handling temperature sensing (internal sensor + external thermistor), LCD driving, button debouncing, and scheduled wake-ups via RTC alarm. Use Value: 0.57 μA STOP mode extends CR2032 battery life beyond 2 years; on-chip LVD prevents erratic behavior during voltage sag. |
| Programmable Logic Relay | Energy Meter Front-End |
|
Use Scenario: DIN-rail mounted relay module with configurable I/O, Modbus RTU over RS-485, and event logging. IC Role / Device Role / Timing Role: Real-time sequencer executing ladder logic, managing isolated digital I/O, and timestamping fault events using RTC calendar. Use Value: 41 DMIPS and 12 KB RAM support deterministic scan times under 10 ms; data flash stores configuration and event logs securely. |
Use Scenario: Sub-metering unit measuring voltage/current/energy in commercial lighting or HVAC circuits. IC Role / Device Role / Timing Role: Analog front-end controller digitizing shunt/sensor signals via 10-bit ADC, computing RMS/active power, and storing 30-day history in data flash. Use Value: 26-channel ADC supports multi-phase monitoring; background data flash writes prevent metering interruption during logging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100PGAFA#50 | Same 100-pin LQFP package, identical peripherals, but 256 KB flash / 20 KB RAM / 8 KB data flash | Better suited for applications requiring larger firmware (e.g., embedded web server, advanced encryption) | Select when future firmware expansion headroom or dual-bank bootloading is required |
| R5F101PFAFA#50 | Same pinout and package, but no data flash (0 KB); otherwise identical flash/RAM/peripherals | Appropriate where nonvolatile parameter storage is handled externally or not needed | Choose to reduce BOM cost when data flash functionality is unnecessary |
Compared with R5F100PGAFA#50 and R5F101PFAFA#50, the R5F100PFAFA#50 offers optimal balance of on-chip nonvolatile storage (8 KB data flash), processing headroom (41 DMIPS), and cost for mid-complexity industrial controllers - avoiding over-provisioning while retaining field-upgrade capability.
Availability
R5F100PFAFA#50 is available at Aetrix Electronics and suitable for industrial HMI panels, smart thermostats, and programmable logic relays requiring stable component supply across multi-year production cycles.
Supply support for R5F100PFAFA#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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G13 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and general-purpose embedded applications demanding rich analog integration and robust real-time performance.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100PFAFA#50?
The R5F100PFAFA#50 operates at up to 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS of processing performance. This speed is achievable across the full 1.6 V to 5.5 V supply range and –40°C to +85°C temperature range, making it suitable for deterministic real-time control loops in industrial equipment.
Does the R5F100PFAFA#50 include an integrated real-time clock (RTC) with calendar functionality?
Yes, the R5F100PFAFA#50 includes a dedicated real-time clock peripheral supporting full calendar operation (year/month/day/hour/minute/second), alarm interrupt, and automatic clock correction. It operates independently in STOP mode using the 32.768 kHz subsystem clock, enabling accurate timekeeping with 0.57 μA total current draw.
How much data flash memory does the R5F100PFAFA#50 provide, and what is its endurance rating?
The R5F100PFAFA#50 provides 8 KB of on-chip data flash memory rated for 1,000,000 write/erase cycles at VDD = 1.8 V to 5.5 V. It supports background operation (BGO), allowing program execution from main flash while rewriting data flash - essential for reliable firmware updates and parameter logging in the R5F100PFAFA#50.
What analog features are integrated into the R5F100PFAFA#50 for sensor interfacing?
The R5F100PFAFA#50 integrates a 10-bit successive-approximation ADC with 26 input channels, internal 1.45 V reference voltage, and on-chip temperature sensor. It supports differential input mode using AVREFP/AVREFM pins and operates across the full 1.6 V to 5.5 V supply range - enabling direct interfacing with resistive, capacitive, and thermistor-based sensors without external signal conditioning in the R5F100PFAFA#50.
Is the R5F100PFAFA#50 pin-compatible with other RL78/G13 variants in the same package?
Yes, the R5F100PFAFA#50 is pin-compatible with all other RL78/G13 MCUs in the 100-pin LQFP-0.65mm package (e.g., R5F100PGAFA#50, R5F101PFAFA#50), sharing identical pin functions, electrical characteristics, and mechanical footprint. This enables hardware reuse across firmware variants with different memory configurations or data flash presence.
R5F100PFAFA#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-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:
- 82
- 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 20x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100PFAFA#50 FAQ
1.How can I place an order for R5F100PFAFA#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100PFAFA#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 R5F100PFAFA#50 reliable?
The price and inventory of R5F100PFAFA#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100PFAFA#50 is usually 5 days.
3.What payment methods are accepted for R5F100PFAFA#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100PFAFA#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100PFAFA#50?
R5F100PFAFA#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100PFAFA#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 R5F100PFAFA#50?
For technical support, including R5F100PFAFA#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100PFAFA#50 requirements.
6.How does Aetrix verify that R5F100PFAFA#50 is sourced from the original manufacturer or authorized distributors?
All R5F100PFAFA#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 R5F100PFAFA#50 meets industry standards.
7.What is the process for return or replacement of R5F100PFAFA#50?
All R5F100PFAFA#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100PFAFA#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 R5F100PFAFA#50 part is unused and in its original packaging.
Return procedure for R5F100PFAFA#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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