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Renesas R5F101FCDFP#50
- Part No.:
- R5F101FCDFP#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F101FCDFP#50.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,929
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Product details
Overview
R5F101FCDFP#50 from Renesas is a 44-pin LQFP-44, 16-bit RL78/G13 microcontroller with 64 KB flash, 4 KB data flash, and 4 KB RAM, operating from 1.6 V to 5.5 V at up to 32 MHz (41 DMIPS), featuring ultra-low-power modes (0.57 μA RTC+LVD), 10-bit ADC (24 channels), and integrated UART/SPI/I²C interfaces - deployed in battery-powered industrial sensors and smart metering endpoints.
For engineers reviewing the R5F101FCDFP#50 datasheet, R5F101FCDFP#50 pinout, R5F101FCDFP#50 application, or R5F101FCDFP#50 equivalent, key selection criteria include its no-data-flash configuration, industrial-grade temperature range (–40°C to +85°C), LQFP-44 package with 0.8-mm pitch, and support for background data flash rewriting and real-time clock calendar functionality.
Technical Context
The R5F101FCDFP#50 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). It integrates a 12-bit interval timer, real-time clock with calendar/alarm/correction, and watchdog timer driven by dedicated low-speed oscillator.
Its peripheral set includes up to 24-channel 10-bit ADC with internal 1.45 V reference and temperature sensor, 2–4 channel DMA controller (2-cycle transfers between SFR and RAM), and serial interfaces: up to 8 CSI (SPI-compatible), 4 UART/LIN, and 10 I²C channels - all configurable via on-chip register settings without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Max Operating Frequency | 32 MHz (41 DMIPS), with selectable high-speed on-chip oscillator (±1.0% accuracy) |
| Memory Configuration | 64 KB code flash, 4 KB data flash (no data flash shield window), 4 KB RAM |
| Power Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit ADC with 24 input channels, internal 1.45 V reference, and integrated temperature sensor |
| Operating Voltage | 1.6 V to 5.5 V single supply, supporting direct interface with 1.8/2.5/3.0 V logic |
| Temperature Range | –40°C to +85°C (Industrial D-grade qualification) |
Pinout & Package
LQFP-44 package (10 × 10 mm, 0.8-mm pitch), lead-free, RoHS-compliant, with exposed thermal pad (PLQP0044GC-A footprint).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: AVDD/AVSS for analog section, DVDD/DVSS for digital core |
| P10/P11/P12/P13 | CSI0/SCL0/SDA0 pins | Configurable as SPI master/slave (CSI), I²C master/slave, or general-purpose I/O with pull-up |
| P30/P31 | UART0 TX/RX | Full-duplex asynchronous communication with LIN bus support and automatic sync detection |
| P20–P27 | ADC input channels ANI0–ANI7 | Support simultaneous sampling across 8 channels; AVREFP/AVREFM pins enable precise voltage referencing |
| P00–P07 | General-purpose I/O with key interrupt | N-ch open-drain capable (6 V tolerant), TTL input buffer, and programmable on-chip pull-up resistors |
| RESET | Active-low reset input | Accepts external reset signal; internally tied to on-chip POR and LVD circuits |
| CLKP/CLKM | External crystal oscillator inputs | Support 32.768 kHz crystal for RTC or high-frequency crystals up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA retention with RTC + LVD active - enables multi-year battery life in remote sensing nodes |
| Background data flash rewrite | Execute code from flash while rewriting data flash (BGO), enabling firmware updates without halting operation |
| Real-time clock calendar | 99-year calendar with alarm, periodic interrupt, and ±1 ppm auto-correction using 32.768 kHz crystal |
| On-chip debug interface | Fully compliant with Renesas E1/E20 debuggers; supports flash programming, breakpoint, and trace via single-pin SWD |
| Multi-voltage I/O interface | Direct connection to 1.8 V, 2.5 V, or 3.0 V peripherals without level shifters - reduces BOM count and layout complexity |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Standalone electricity/water/gas meter with tamper detection, pulse counting, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing EEPROM logging, and driving RF sub-GHz transceiver timing. Use Value: 64 KB flash accommodates dual-bank firmware for safe OTA updates; RTC calendar ensures accurate billing period timestamps. |
Use Scenario: Battery-powered vibration/temperature/humidity node in predictive maintenance systems. IC Role / Device Role / Timing Role: Low-power acquisition engine sampling analog sensors, processing FFT-based diagnostics, and waking only on threshold events. Use Value: 0.57 μA STOP mode extends 2xAA battery life beyond 5 years; integrated temperature sensor eliminates external component. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: Washing machine main control board managing motor drive, water valves, display, and safety interlocks. IC Role / Device Role / Timing Role: Real-time coordinator of PWM timers, ADC feedback loops, and user interface state machine. Use Value: 24-channel ADC monitors multiple thermistors, current shunts, and pressure transducers simultaneously; LIN support simplifies communication with door lock module. |
Use Scenario: HVAC zone controller interfacing with thermostats, dampers, and CO₂ sensors over RS-485 and I²C. IC Role / Device Role / Timing Role: Protocol gateway translating Modbus RTU to local I²C sensor reads and actuator writes. Use Value: Dual UARTs allow concurrent RS-485 master and slave operation; 4 KB data flash stores calibration coefficients and event logs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100FCDFP#50 | Includes 4 KB data flash; identical pinout, package, and peripheral set | Required where field firmware updates or parameter storage are needed | Select when non-volatile parameter retention or bootloader-safe self-programming is mandatory |
| R5F101FCDFA#50 | TSSOP-44 package (10 × 10 mm, 0.65-mm pitch); same memory/peripherals | Better suited for high-density PCBs with tight spacing constraints | Choose for space-constrained layouts where LQFP-44 thermal pad is not required |
Compared with R5F100FCDFP#50, the R5F101FCDFP#50 trades data flash for lower cost and simplified flash management, while R5F101FCDFA#50 offers identical functionality in a smaller-footprint TSSOP package - enabling design flexibility across cost, density, and thermal requirements.
Availability
R5F101FCDFP#50 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart metering endpoints, and home appliance control systems requiring stable component supply, long-term lifecycle assurance, and full traceability.
Supply support for R5F101FCDFP#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 solutions for automotive, industrial, and IoT markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power embedded applications demanding robust real-time performance, integrated analog functions, and seamless toolchain support - optimized for rapid development of battery-operated and energy-harvesting devices.
FAQ
What is the flash memory configuration of the R5F101FCDFP#50?
The R5F101FCDFP#50 contains 64 KB of code flash memory and no data flash memory - confirmed by Renesas ordering code convention ('1' in third position indicates data flash not provided) and verified in the RL78/G13 datasheet memory matrix. This configuration reduces cost and simplifies firmware update architecture where persistent parameter storage is handled externally or omitted.
Does the R5F101FCDFP#50 support real-time clock functionality with calendar features?
Yes, the R5F101FCDFP#50 integrates a full-featured real-time clock (RTC) with calendar support for years, months, days, hours, minutes, and seconds; alarm interrupt capability; and automatic clock correction. It operates independently in STOP mode using a 32.768 kHz crystal or internal sub-system clock, consuming only 0.57 μA total with LVD enabled.
What is the maximum ADC resolution and channel count supported by the R5F101FCDFP#50?
The R5F101FCDFP#50 supports a 10-bit successive-approximation ADC with up to 24 analog input channels (ANI0–ANI23), including dedicated AVREFP/AVREFM pins for precision referencing. The ADC operates across the full 1.6 V to 5.5 V supply range and includes an integrated temperature sensor usable for ambient monitoring or system calibration.
Can the R5F101FCDFP#50 operate in ultra-low-power modes with peripherals active?
Yes, the R5F101FCDFP#50 supports multiple low-power modes: HALT (CPU stopped, peripherals active), STOP (all clocks halted except RTC/LVD), and SNOOZE (selected peripherals like UART or ADC operate while CPU sleeps). In STOP mode with RTC + LVD enabled, current draw is just 0.57 μA - validated per datasheet Section 1.1 and electrical characteristics table.
Is the R5F101FCDFP#50 pin-compatible with other RL78/G13 variants in LQFP-44 package?
Yes, the R5F101FCDFP#50 shares identical pinout and LQFP-44 (10 × 10 mm, 0.8-mm pitch) mechanical footprint with all RL78/G13 devices ordered with 'F' (44-pin), 'C' (64 KB flash), and 'D' (industrial temp) suffixes - including R5F100FCDFP#50 and R5F101FCDFA#50 (TSSOP-44 variant excluded). Pin compatibility is guaranteed per Renesas Package Outline Drawing PLQP0044GC-A.
R5F101FCDFP#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:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 2K 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:
R5F101FCDFP#50 FAQ
1.How can I place an order for R5F101FCDFP#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101FCDFP#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 R5F101FCDFP#50 reliable?
The price and inventory of R5F101FCDFP#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101FCDFP#50 is usually 5 days.
3.What payment methods are accepted for R5F101FCDFP#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101FCDFP#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101FCDFP#50?
R5F101FCDFP#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101FCDFP#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 R5F101FCDFP#50?
For technical support, including R5F101FCDFP#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101FCDFP#50 requirements.
6.How does Aetrix verify that R5F101FCDFP#50 is sourced from the original manufacturer or authorized distributors?
All R5F101FCDFP#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 R5F101FCDFP#50 meets industry standards.
7.What is the process for return or replacement of R5F101FCDFP#50?
All R5F101FCDFP#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101FCDFP#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 R5F101FCDFP#50 part is unused and in its original packaging.
Return procedure for R5F101FCDFP#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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