Renesas R5F100PHAFA#X0
- Part No.:
- R5F100PHAFA#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F100PHAFA#X0.pdf
- Description:
- IC MCU 16BIT 192KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,624
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Product details
Overview
R5F100PHAFA#X0 from Renesas is a 100-pin LQFP-0.65mm MCU in the RL78/G13 family, featuring 128 KB flash, 8 KB data flash, 12 KB RAM, 10-bit ADC (26 channels), and real-time clock with calendar function - deployed in battery-powered industrial sensors and low-power HMI control systems.
For engineers reviewing the R5F100PHAFA#X0 datasheet, R5F100PHAFA#X0 pinout, R5F100PHAFA#X0 application, or R5F100PHAFA#X0 equivalent, key selection criteria include its 1.6–5.5 V operation, 0.57 μA STOP mode current, 41 DMIPS @ 32 MHz, integrated LIN-capable UARTs, and support for background data flash rewriting.
Technical Context
The R5F100PHAFA#X0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz RTC mode). It integrates dual power domains enabling independent operation of RTC and LVD during ultra-low-power STOP mode.
Its peripheral set includes up to 16× 16-bit timers, 3× I²C interfaces, 4× UART/LIN channels, 2× CSI/SPI, DMA controller (4 channels), and hardware multiplier/divider - all coordinated via an on-chip interrupt controller with 192 vector entries and priority grouping.
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 - delivers 41 DMIPS performance for deterministic real-time control |
| Flash Memory | 128 KB code flash with 1 KB block size, self-programming, and boot swap support |
| Data Flash | 8 KB with background operation (BGO), 1M rewrite cycles, 1.8–5.5 V programming voltage |
| RAM | 12 KB on-chip SRAM, including dedicated areas for flash library operation (start address FAF00H) |
| ADC | 10-bit resolution, 26 input channels, internal 1.45 V reference and temperature sensor |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE - enables multi-year battery life |
Pinout & Package
Package: 100-pin LQFP (14 × 20 mm, 0.65 mm pitch), RoHS-compliant, operating ambient temperature range −40°C to +85°C (A-grade).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10 | SCK00 / SCL00 | Shared SPI clock / I²C clock - supports dual interface sharing on same pin |
| P11 | SI00 / RxD0 / TOOLRxD / SDA00 | Multi-function pin for SPI input, UART receive, debug RX, and I²C data - enables flexible peripheral routing |
| P12 | SO00 / TxD0 / TOOLTxD / SCL01 | Multi-function pin for SPI output, UART transmit, debug TX, and secondary I²C clock - reduces external logic |
| P13 | SS00 / RTS0 / SDA01 | SPI slave select / UART RTS / secondary I²C data - supports daisy-chain SPI and flow-controlled UART |
| P20 | ANI0 / AVREFP | Analog input channel 0 and positive ADC reference voltage input - enables precision ratiometric sensing |
| P21 | ANI1 / AVREFM | Analog input channel 1 and negative ADC reference voltage input - supports differential measurement capability |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA with RTC and LVD active - extends battery life in always-on monitoring applications |
| Background data flash rewrite | Execute code from flash while rewriting data flash - enables seamless firmware updates without interruption |
| Hardware LIN support | UART with automatic LIN break detection and sync field generation - simplifies automotive body electronics integration |
| On-chip debug interface | Fully compliant with Renesas E2 emulator - eliminates need for external debug probes in development |
| Dual-voltage I/O capability | Interface directly with 1.8 V, 2.5 V, or 3.0 V peripherals without level shifters - reduces BOM count |
Applications
| Industrial Sensor Node | Smart Thermostat Controller |
|---|---|
|
Use Scenario: Battery-powered wireless temperature/humidity sensor node with local display and BLE gateway interface. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC-based wake scheduling, data logging to data flash, and UART communication with BLE module. Use Value: 0.57 μA STOP mode enables >5-year battery life; BGO allows over-the-air parameter updates without interrupting sensor operation. |
Use Scenario: Residential HVAC control unit with touch UI, environmental sensing, and relay actuation. IC Role / Device Role / Timing Role: Central MCU handling capacitive touch decoding, 10-bit ADC for thermistor readings, real-time calendar-based scheduling, and zero-crossing AC control timing. Use Value: Integrated RTC with alarm and correction functions eliminates external timekeeping IC; 26-channel ADC supports multi-sensor fusion without multiplexers. |
| Home Appliance Motor Control | Energy Meter Data Logger |
|
Use Scenario: Brushless DC motor driver in washing machine with speed feedback, fault protection, and user interface. IC Role / Device Role / Timing Role: Real-time motor commutation controller using 16-bit timers with dead-time insertion, ADC for current sensing, and UART for service diagnostics. Use Value: 41 DMIPS at 32 MHz ensures sub-microsecond PWM update latency; hardware multiplier accelerates Clarke/Park transforms. |
Use Scenario: DIN-rail mounted electricity meter with tamper detection, pulse counting, and secure data storage. IC Role / Device Role / Timing Role: Secure data acquisition MCU performing metrology calculations, storing billing data in protected data flash, and communicating via RS-485 with master station. Use Value: Flash security features (block erase prohibition, shield window) prevent unauthorized firmware modification; 1M-cycle data flash endurance supports 10+ years of daily logging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100PHDFA#X0 | Same package and memory (128 KB flash/8 KB data flash/12 KB RAM), but D-grade (−40°C to +85°C industrial temp), no data flash security lock feature | Targeted at industrial equipment requiring extended temperature validation but no firmware security enforcement | Select when full data flash write protection is unnecessary and A-grade qualification is not required |
| R5F101PHAFA#X0 | Same pinout and package, but no data flash (0 KB); reduced peripheral set (e.g., fewer UART/I²C channels) | Suitable for cost-sensitive applications where EEPROM or external flash handles nonvolatile storage | Choose when data flash is not needed and BOM cost reduction is prioritized over integrated nonvolatile storage |
Compared with R5F100PHAFA#X0, R5F100PHDFA#X0 trades A-grade qualification and flash security for broader industrial temperature compliance, while R5F101PHAFA#X0 removes data flash entirely - reducing cost and complexity but requiring external nonvolatile storage for parameter retention.
Availability
R5F100PHAFA#X0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat controllers, and home appliance motor control systems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F100PHAFA#X0 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 ultra-low-power, cost-optimized MCUs targeting battery-operated and energy-conscious embedded systems - balancing performance, integration, and power efficiency for general-purpose control.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100PHAFA#X0?
The R5F100PHAFA#X0 operates at up to 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS of processing performance. Its minimum instruction execution time is 0.03125 μs under this condition, enabling deterministic real-time response for motor control and sensor fusion tasks.
Does the R5F100PHAFA#X0 support in-system programming and secure firmware updates?
Yes, the R5F100PHAFA#X0 supports self-programming of both code and data flash memory, including boot swap functionality and flash shield window protection. These features enable secure over-the-air firmware updates and prevent unauthorized reprogramming of critical sections.
What low-power modes does the R5F100PHAFA#X0 offer, and what is the lowest achievable current draw?
The R5F100PHAFA#X0 provides HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it draws just 0.57 μA - making it ideal for battery-powered applications requiring multi-year operation without maintenance.
How many analog input channels and what ADC resolution does the R5F100PHAFA#X0 provide?
The R5F100PHAFA#X0 integrates a 10-bit successive-approximation ADC with up to 26 analog input channels. It also includes an internal 1.45 V reference voltage and temperature sensor, supporting precision ratiometric measurements and thermal monitoring without external components.
Is the R5F100PHAFA#X0 pin-compatible with other RL78/G13 variants in the same package?
Yes, the R5F100PHAFA#X0 shares identical 100-pin LQFP-0.65mm pinout with other RL78/G13 devices in the same package (e.g., R5F100PJAFA#X0, R5F100PKAFA#X0), enabling footprint reuse across memory and peripheral variants within the family.
R5F100PHAFA#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RL78/G13
- Packaging:
- Tape & Reel (TR)
- 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:
- 82
- Program Memory Size:
- 192KB (192K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 16K 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:
R5F100PHAFA#X0 FAQ
1.How can I place an order for R5F100PHAFA#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100PHAFA#X0 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 R5F100PHAFA#X0 reliable?
The price and inventory of R5F100PHAFA#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100PHAFA#X0 is usually 5 days.
3.What payment methods are accepted for R5F100PHAFA#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100PHAFA#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100PHAFA#X0?
R5F100PHAFA#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100PHAFA#X0 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 R5F100PHAFA#X0?
For technical support, including R5F100PHAFA#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100PHAFA#X0 requirements.
6.How does Aetrix verify that R5F100PHAFA#X0 is sourced from the original manufacturer or authorized distributors?
All R5F100PHAFA#X0 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 R5F100PHAFA#X0 meets industry standards.
7.What is the process for return or replacement of R5F100PHAFA#X0?
All R5F100PHAFA#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100PHAFA#X0, 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 R5F100PHAFA#X0 part is unused and in its original packaging.
Return procedure for R5F100PHAFA#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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