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Renesas R5F101FDAFP#V0
- Part No.:
- R5F101FDAFP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F101FDAFP#V0.pdf
- Description:
- IC MCU 16BIT 48KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,052
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Product details
Overview
R5F101FDAFP#V0 from Renesas is a 44-pin LQFP-44, 32 MHz RL78/G13 16-bit microcontroller with 96 KB flash, 8 KB data flash, 8 KB RAM, and no on-chip data flash programming capability - designed for ultra-low-power industrial control applications operating from 1.6 V to 5.5 V with RTC + LVD standby current of 0.57 μA.
For engineers reviewing the R5F101FDAFP#V0 datasheet, R5F101FDAFP#V0 pinout, R5F101FDAFP#V0 application, or R5F101FDAFP#V0 equivalent, this page delivers verified specifications, package mapping, functional role in sensor interface and motor timing systems, and validated alternative options for supply continuity and design migration.
Technical Context
The R5F101FDAFP#V0 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 subsystem clock), and features an address space of 1 MB with four banks of 8-bit general-purpose registers.
It integrates 8-channel 16-bit timers, one 12-bit interval timer, a calendar-based real-time clock with alarm and correction functions, 10-bit A/D converter with up to 26 analog inputs, and serial interfaces including 2–4 UART/LIN channels, 3–10 I²C/Simplified I²C channels, and 2–8 CSI (SPI-compatible) channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time response in resource-constrained embedded systems. |
| Max Operating Frequency | 32 MHz; delivers 41 DMIPS performance for mid-complexity control loops without external clock sources. |
| Flash Memory | 96 KB code flash; supports block erase (1 KB), security lock, and self-programming with boot swap functionality. |
| Data Flash | 8 KB data flash; enables background operation (BGO) for firmware updates while executing application code. |
| RAM Size | 8 KB on-chip RAM; sufficient for RTOS stacks, communication buffers, and sensor data aggregation in industrial nodes. |
| Supply Voltage Range | 1.6 V to 5.5 V; allows direct battery (Li-ion, alkaline) or wide-input DC-DC rail interfacing without level-shifting. |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA), SNOOZE; enables multi-year battery life in metering and remote sensing. |
| ADC Resolution & Channels | 10-bit A/D converter with up to 26 input channels and internal 1.45 V reference; supports precision analog monitoring across multiple sensors. |
Pinout & Package
Package: 44-pin LQFP (10 × 10 mm, 0.8-mm pitch), RoHS-compliant, surface-mountable with standard reflow profile.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI Clock / I²C Clock | Shared dual-function pin enabling hardware-selectable synchronous serial interface for sensor or EEPROM communication. |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI Input / UART RX / I²C Data | Multi-protocol input pin supporting debug (TOOLRxD), host command reception (RxD0), and peripheral data (SDA00). |
| P12/SO00/TxD0/TOOLTxD/SDA00 | SPI Output / UART TX / I²C Data | Tri-functional output pin used for firmware logging, sensor feedback transmission, and bidirectional I²C data exchange. |
| P13/INTP0/TOOLRxD | External Interrupt / Debug Input | Dedicated interrupt input with configurable edge sensitivity; also serves as secondary debug receive channel. |
| P14/INTP1/TOOLTxD | External Interrupt / Debug Output | Secondary interrupt source and debug transmit line; supports wake-up-from-STOP via external event. |
| P20/ANI0/AVREFP | Analog Input / ADC Reference Positive | Primary analog input channel with selectable AVREFP function; enables ratiometric measurement using external reference. |
| P21/ANI1/AVREFM | Analog Input / ADC Reference Negative | Second analog input with AVREFM capability; supports differential ADC measurements and ground-referenced sensing. |
| P22/ANI2 | Analog Input | Dedicated analog input for temperature sensor or voltage monitoring; internally connected to on-chip temperature sensor. |
| P30/CLKP0/CLKOUT | System Clock Input / Clock Output | Accepts external crystal (up to 20 MHz) or outputs internal clock for trace/debug synchronization or peripheral timing. |
| P31/RESET | Reset Input | Active-low reset pin with internal pull-up; compatible with push-button, supervisor IC, or power-on-reset assertion. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT/STOP modes | Reduces active current to 66 μA/MHz and standby to 0.57 μA - critical for battery-powered utility meters and IoT endpoints. |
| On-chip RTC with calendar & alarm | Enables time-stamped data logging and scheduled wake-up events without external real-time clock IC or backup battery. |
| Background data flash rewriting (BGO) | Allows firmware field updates or parameter storage while maintaining full application execution - essential for zero-downtime maintenance. |
| 10-bit A/D converter with internal reference | Provides stable 1.45 V reference and up to 26-channel sampling - eliminates need for external voltage references in sensor hubs. |
| Multi-protocol serial interfaces | Integrates UART/LIN, I²C, and CSI (SPI) on shared pins - reduces BOM count and PCB routing complexity in multi-peripheral designs. |
| Hardware multiplier/divider unit | Accelerates 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations - improves efficiency of PID control and signal processing. |
Applications
| Smart Energy Metering | Industrial Motor Control |
|---|---|
|
Use Scenario: Residential electricity meter with tamper detection, pulse counting, and time-of-use tariff calculation. IC Role / Device Role / Timing Role: Main system controller managing metrology ADC sampling, RTC-based billing intervals, and optical/IR communication stack. Use Value: 0.57 μA STOP mode extends battery backup life beyond 10 years; integrated LIN support enables direct connection to smart grid concentrators. |
Use Scenario: Brushless DC motor driver for HVAC blowers with speed regulation, fault reporting, and thermal protection. IC Role / Device Role / Timing Role: Real-time motion controller coordinating PWM generation, current sensing, and commutation sequencing via 16-bit timers and ADC. Use Value: 41 DMIPS at 32 MHz ensures sub-microsecond loop timing; on-chip LVD detects brown-out conditions before MOSFET gate drive failure. |
| Wireless Sensor Node | Home Appliance Control |
|
Use Scenario: Battery-powered environmental monitor (temp/humidity/CO₂) transmitting data via BLE or Sub-GHz RF module. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog/digital inputs, managing low-power sleep cycles, and buffering data for burst transmission. Use Value: SNOOZE mode enables periodic wake-up for sensor reads with <1 μA average current; 8 KB RAM accommodates encryption keys and packet buffers. |
Use Scenario: Washing machine main control board handling user interface, water valve actuation, drum rotation, and safety interlocks. IC Role / Device Role / Timing Role: Safety-certified system MCU executing IEC 60730 Class B diagnostics, driving relays/LEDs, and interpreting encoder feedback. Use Value: Built-in watchdog timer with dedicated low-speed oscillator ensures fail-safe shutdown; 96 KB flash hosts dual-bank firmware for safe OTA updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101FDFA#V0 | Same 44-pin LQFP package and 96 KB flash, but includes on-chip data flash programming capability (unlike R5F101FDAFP#V0). | Required where field firmware updates must be performed without external debugger; not needed for fixed-parameter deployments. | Select R5F101FDFA#V0 only if self-programming of data flash during runtime is mandatory; otherwise R5F101FDAFP#V0 offers identical control functionality at lower cost. |
| R5F100FDAFP#V0 | Identical pinout and peripherals, but includes 8 KB data flash with full self-programming and flash shield window security features. | Suitable for applications requiring secure parameter storage, cryptographic key management, or bootloader-resident update logic. | Choose R5F100FDAFP#V0 when data flash write endurance (1M cycles) and security features are required; R5F101FDAFP#V0 is optimal for cost-sensitive, static-configuration use cases. |
Compared with R5F101FDAFP#V0, R5F101FDFA#V0 adds runtime data flash programming capability without changing footprint or performance, while R5F100FDAFP#V0 provides full data flash security and endurance - making both alternatives viable depending on whether field update flexibility or secure storage governs the design priority.
Availability
R5F101FDAFP#V0 is available at Aetrix Electronics and suitable for smart metering, industrial motor drives, and wireless sensor node applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.
Supply support for R5F101FDAFP#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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power general-purpose embedded applications - delivering optimized balance of performance, energy efficiency, and integration for industrial control and consumer electronics.
FAQ
What is the maximum operating frequency of the R5F101FDAFP#V0?
The R5F101FDAFP#V0 operates at up to 32 MHz using its high-speed on-chip oscillator, achieving 41 DMIPS performance. This frequency is factory-trimmed to ±1.0% accuracy across 1.8–5.5 V supply and –40°C to +85°C ambient temperature, eliminating need for external crystal in many timing-critical applications.
Does the R5F101FDAFP#V0 include on-chip data flash memory?
Yes, the R5F101FDAFP#V0 includes 8 KB of on-chip data flash memory. However, unlike some variants in the RL78/G13 family, it does not support self-programming of that data flash - meaning firmware updates to data flash require external programming tools rather than in-application writes.
What low-power modes are supported by the R5F101FDAFP#V0?
The R5F101FDAFP#V0 supports HALT mode (66 μA/MHz), STOP mode (0.57 μA with RTC and LVD active), and SNOOZE mode (selective peripheral wake-up). These modes enable aggressive power budgeting in battery-operated devices such as utility meters and environmental sensors without sacrificing real-time responsiveness.
Can the R5F101FDAFP#V0 be used in industrial applications requiring extended temperature range?
Yes - the R5F101FDAFP#V0 is rated for industrial temperature range (–40°C to +85°C) per its 'D' grade designation. It is not qualified for +105°C operation (which requires 'G' grade variants like R5F101FDGFP#V0), but meets full industrial specification for factory automation, building controls, and motor drives.
How many analog input channels does the R5F101FDAFP#V0 support?
The R5F101FDAFP#V0 supports up to 26 analog input channels via its 10-bit A/D converter. The device includes internal reference voltage (1.45 V) and on-chip temperature sensor, and supports differential measurements using AVREFP/AVREFM pins - all accessible through the 44-pin LQFP package's dedicated analog I/O pins.
Is the R5F101FDAFP#V0 pin-compatible with other RL78/G13 44-pin variants?
Yes - the R5F101FDAFP#V0 shares identical pinout and package (LQFP-44) with all other RL78/G13 44-pin members, including R5F100FDAFP#V0 and R5F101FDFA#V0. This enables drop-in replacement for functional upgrades or supply chain substitution without PCB redesign.
R5F101FDAFP#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-LQFP
- 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:
- 31
- Program Memory Size:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 3K 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:
R5F101FDAFP#V0 FAQ
1.How can I place an order for R5F101FDAFP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101FDAFP#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 R5F101FDAFP#V0 reliable?
The price and inventory of R5F101FDAFP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101FDAFP#V0 is usually 5 days.
3.What payment methods are accepted for R5F101FDAFP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101FDAFP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101FDAFP#V0?
R5F101FDAFP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101FDAFP#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 R5F101FDAFP#V0?
For technical support, including R5F101FDAFP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101FDAFP#V0 requirements.
6.How does Aetrix verify that R5F101FDAFP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101FDAFP#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 R5F101FDAFP#V0 meets industry standards.
7.What is the process for return or replacement of R5F101FDAFP#V0?
All R5F101FDAFP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101FDAFP#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 R5F101FDAFP#V0 part is unused and in its original packaging.
Return procedure for R5F101FDAFP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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