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Renesas R5F100BFANA#U0

Part No.:
R5F100BFANA#U0
Manufacturer:
Renesas
Category:
Microcontrollers
Package:
32-WFQFN Exposed Pad
Datasheet:
AetrixR5F100BFANA#U0.pdf
Description:
IC MCU 16BIT 96KB FLASH 32HWQFN
Quantity:
Payment:
Payment
Shipping:
Shipping

Inventory:3,767

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Product details

Overview

R5F100BFANA#U0 from Renesas is a 32-pin HWQFN-packaged RL78/G13 16-bit microcontroller with 96 KB flash, 8 KB data flash, and 8 KB RAM, operating at up to 32 MHz (41 DMIPS), supporting ultra-low-power modes (0.57 μA RTC+LVD), 10-bit ADC (26 channels), and multiple serial interfaces (UART, I²C, CSI) for embedded control in industrial sensors and battery-powered IoT nodes.

For engineers reviewing the R5F100BFANA#U0 datasheet, R5F100BFANA#U0 pinout, R5F100BFANA#U0 application, or R5F100BFANA#U0 equivalent, key selection criteria include its 32-pin HWQFN-0.5mm package, integrated RTC with calendar/alarm, background data flash rewriting capability, and support for -40°C to +85°C industrial operation with LVD interrupt levels.

Technical Context

The R5F100BFANA#U0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz). It integrates a 12-bit interval timer, real-time clock with 99-year calendar, and watchdog timer driven by dedicated low-speed oscillator.

Power management includes HALT, STOP, and SNOOZE modes, on-chip POR and 14-level LVD, and DMA controller with 4 channels enabling 2-clock transfers between SFR and RAM. Serial connectivity comprises up to 4 UART/LIN channels, 10 I²C/Simplified I²C channels, and 8 CSI channels.

Key Specifications

Parameter Value and Actual Design Meaning
Core Architecture RL78 16-bit CISC with 3-stage pipeline and variable instruction timing
Max Operating Frequency 32 MHz (41 DMIPS), supported by high-accuracy ±1.0% on-chip oscillator
Memory Configuration 96 KB code flash (1 KB block size), 8 KB data flash (1M rewrite cycles), 8 KB RAM
Low-Power Performance 0.57 μA in STOP mode with RTC + LVD active; 66 μA/MHz in active mode
Analog Peripherals 10-bit ADC with 26 input channels, internal 1.45 V reference and temperature sensor
Serial Interfaces Up to 4 UART/LIN, 10 I²C/Simplified I²C, and 8 CSI channels
Operating Temperature -40°C to +85°C (Industrial grade, "D" suffix confirmed in part number decoding)

Pinout & Package

Package: 32-pin HWQFN (5 × 5 mm, 0.5-mm pitch), moisture sensitivity level MSL3, RoHS-compliant, lead-free.

Pin/Terminal Circuit Role Design Meaning
VDD, VSS Power supply and ground Single 1.6–5.5 V supply; decoupling required per datasheet layout guidelines
P00–P07 General-purpose I/O port Configurable as N-ch open drain (6 V tolerant), TTL input, or pull-up enabled
P10–P17 Multiplexed I/O Supports SCK00/SCL00, SI00/RxD0/TOOLRxD/SDA00, SO00/TxD0/TOOLTxD, etc.
P20–P27 Analog input / reference ANI0–ANI7 inputs; AVREFP/AVREFM for ADC reference voltage selection
RESET Active-low reset input Accepts external reset signal; internally pulled up; compatible with POR/LVD assertion
CLKP, CLKN Crystal oscillator connection Supports external crystal (32.768 kHz or 1–20 MHz) for precise timing or RTC

Key Features

Feature Design Value
Self-programming flash Boot swap and flash shield window functions enable secure firmware updates without external programmer
Background data flash rewrite Code execution continues from program memory while rewriting 4–8 KB data flash (BGO mode)
DMA controller 4-channel DMA with 2-clock transfers between SFR and RAM reduces CPU overhead for peripheral data movement
Real-time clock (RTC) Calendar function (year/month/day/hour/min/sec), alarm, and auto-correction eliminate need for external RTC IC
Different-potential interface I/O pins support direct interfacing with 1.8 V, 2.5 V, or 3.0 V logic without level shifters

Applications

Smart Sensor Node Industrial HMI Panel

Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and pressure data with periodic BLE transmission.

IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC-triggered wake-up, low-power state transitions, and UART-to-BLE bridge.

Use Value: 0.57 μA STOP mode extends battery life; integrated RTC eliminates external timing component; 10-bit ADC meets precision requirements without calibration IC.

Use Scenario: Local operator interface for PLC-controlled HVAC systems with button inputs, LED indicators, and RS-485 communication.

IC Role / Device Role / Timing Role: Dedicated UI processor handling key scan, buzzer output, LED PWM dimming, and isolated RS-485 UART framing.

Use Value: On-chip clock output/buzzer controller reduces BOM count; 26-channel ADC supports analog sensor monitoring; 14-level LVD ensures robust brown-out detection in noisy factory environments.

Energy Metering Module Home Appliance Control

Use Scenario: Sub-metering unit measuring current/voltage via shunt/sensor, calculating kWh, and logging data to internal flash.

IC Role / Device Role / Timing Role: Data acquisition and logging engine performing ADC conversions, RTC-stamped storage, and tamper-detection using LVD interrupts.

Use Value: Background data flash rewrite allows continuous logging during active measurement; 8 KB data flash enables >10 years of hourly energy logs; 1.45 V internal reference stabilizes ADC accuracy across supply variation.

Use Scenario: Washing machine main control board managing motor drive signals, water valve actuation, temperature sensing, and user display.

IC Role / Device Role / Timing Role: Central MCU coordinating PWM motor control, 10-bit ADC-based thermistor reading, and I²C-connected display driver.

Use Value: 96 KB flash accommodates complex wash cycle logic and safety firmware; SNOOZE mode enables responsive button wake-up with minimal power penalty; hardware multiplier accelerates PID calculations.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit microcontroller applications.

Alternative Part Technical Difference Application Difference Selection Advice
R5F100BGANA#U0 128 KB flash, 12 KB RAM, same 32-pin HWQFN package and peripheral set Higher memory headroom for larger firmware or extended data logging Select when future firmware expansion or additional feature integration is anticipated
R5F101BFANA#U0 No data flash (0 KB); otherwise identical flash/RAM/peripheral spec and pinout Eliminates background rewrite requirement; suitable for fixed-parameter configurations Choose when data persistence is handled externally or not required, reducing cost and complexity

Compared with R5F100BFANA#U0, R5F100BGANA#U0 offers scalable memory for evolving firmware needs, while R5F101BFANA#U0 removes data flash to simplify programming and reduce cost where non-volatile parameter storage is unnecessary.

Availability

R5F100BFANA#U0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart metering modules, and home appliance control systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for R5F100BFANA#U0 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 family delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications requiring high integration, robust timing, and long-term supply assurance.

FAQ

What is the maximum operating frequency and corresponding performance of the R5F100BFANA#U0?

The R5F100BFANA#U0 operates at up to 32 MHz, delivering 41 DMIPS performance. Its high-accuracy ±1.0% on-chip oscillator eliminates the need for an external crystal in many applications, while configurable instruction timing supports both high-speed processing and ultra-low-power operation down to 32.768 kHz.

Does the R5F100BFANA#U0 support background data flash rewriting?

Yes, the R5F100BFANA#U0 supports background operation (BGO) for data flash rewriting: instructions can be executed from program memory while simultaneously rewriting the 8 KB data flash. This enables seamless data logging and parameter updates without halting application execution.

What packaging and thermal specifications apply to the R5F100BFANA#U0?

The R5F100BFANA#U0 uses a 32-pin HWQFN package (5 × 5 mm, 0.5-mm pitch) rated for industrial operation from -40°C to +85°C. It complies with RoHS and JEDEC MSL3 handling requirements, and its thermal pad design supports efficient PCB heat dissipation in compact layouts.

How does the R5F100BFANA#U0 manage ultra-low-power operation?

The R5F100BFANA#U0 achieves ultra-low-power operation through HALT, STOP, and SNOOZE modes. In STOP mode with RTC and LVD active, it consumes only 0.57 μA. Its 66 μA/MHz active-mode efficiency and configurable clock gating allow precise power/performance trade-offs across diverse use cases.

Which analog and serial peripherals are integrated into the R5F100BFANA#U0?

The R5F100BFANA#U0 integrates a 10-bit ADC with up to 26 input channels and internal 1.45 V reference, plus a temperature sensor. Serial interfaces include up to 4 UART/LIN channels, 10 I²C/Simplified I²C channels, and 8 CSI channels - all accessible via multiplexed GPIO pins in its 32-pin HWQFN package.

R5F100BFANA#U0 Specifications

Product attributes
Attribute value
Manufacturer:
Renesas
Package/Case:
32-WFQFN Exposed Pad
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:
22
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 8x8/10b
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Grade:
-
Qualification:
-
Mounting Type:
Surface Mount
Supplier Device Package:

R5F100BFANA#U0 FAQ

1.How can I place an order for R5F100BFANA#U0 through Aetrix?

Please submit a Request for Quotation (RFQ) for R5F100BFANA#U0 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 R5F100BFANA#U0 reliable?

The price and inventory of R5F100BFANA#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100BFANA#U0 is usually 5 days.

3.What payment methods are accepted for R5F100BFANA#U0?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100BFANA#U0 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for R5F100BFANA#U0?

R5F100BFANA#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your R5F100BFANA#U0 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 R5F100BFANA#U0?

For technical support, including R5F100BFANA#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100BFANA#U0 requirements.

6.How does Aetrix verify that R5F100BFANA#U0 is sourced from the original manufacturer or authorized distributors?

All R5F100BFANA#U0 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 R5F100BFANA#U0 meets industry standards.

7.What is the process for return or replacement of R5F100BFANA#U0?

All R5F100BFANA#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100BFANA#U0, 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 R5F100BFANA#U0 part is unused and in its original packaging.

Return procedure for R5F100BFANA#U0:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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