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Renesas R5F101FLDFP#V0
- Part No.:
- R5F101FLDFP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F101FLDFP#V0.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,527
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Product details
Overview
R5F101FLDFP#V0 from Renesas is a 44-pin LQFP-44, 1.6–5.5 V ultra-low-power 16-bit RL78/G13 microcontroller with 96 KB flash, 8 KB data flash, 8 KB RAM, and integrated RTC/LVD - designed for battery-powered industrial sensors and smart metering endpoints requiring sub-1 μA STOP mode operation.
For engineers reviewing the R5F101FLDFP#V0 datasheet, R5F101FLDFP#V0 pinout, R5F101FLDFP#V0 application, or R5F101FLDFP#V0 equivalent, key selection criteria include its 96 KB code flash with self-programming, 10-bit 26-channel ADC, dual UART/LIN support, and 44-pin LQFP package with industrial-grade -40°C to +85°C temperature rating.
Technical Context
The R5F101FLDFP#V0 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz) to 30.5 μs (32.768 kHz), and features a unified 1 MB address space with four register banks. It integrates a high-accuracy ±1.0% on-chip oscillator (selectable 1–32 MHz) and supports HALT/STOP/SNOOZE low-power modes.
Its peripheral set includes two UART/LIN channels, up to ten I²C/Simplified I²C interfaces, eight 16-bit timers, one real-time clock with calendar/alarm, and an 8/10-bit ADC with internal 1.45 V reference and temperature sensor - all operating across 1.6–5.5 V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Flash Memory | 96 KB code flash with block erase protection and boot swap function |
| Data Flash | 8 KB background operation (BGO) data flash rated for 1M rewrite cycles |
| RAM | 8 KB on-chip RAM, including dedicated flash library usage area at FEF00H |
| ADC | 10-bit resolution, 26 analog inputs, internal 1.45 V reference, and integrated temperature sensor |
| Low-Power Modes | STOP mode current ≤ 0.57 μA (RTC + LVD active); HALT mode at 66 μA/MHz |
| Operating Voltage | 1.6 V to 5.5 V single-supply operation with on-chip POR and 14-level LVD |
Pinout & Package
Package: 44-pin LQFP (10 × 10 mm, 0.8-mm pitch), RoHS-compliant, tray packaging (#V0).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core/peripheral rail decoupling in noise-sensitive applications |
| P10/SCK00/SCL00 | Port 10 / SPI clock / I²C clock | Multi-function pin enabling hardware SPI master/slave or I²C communication without GPIO overhead |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Port 11 / SPI input / UART0 RX / debug RX / I²C data | Shared serial interface pin supports tooling, diagnostics, and multi-protocol peripheral connectivity |
| P20/ANI0/AVREFP | Analog input 0 / ADC reference positive | Enables external reference or ratiometric measurement using AVREFP as ADC reference source |
| P21/ANI1/AVREFM | Analog input 1 / ADC reference negative | Allows differential ADC measurements or external reference biasing when used with AVREFP |
| RESET | Active-low reset input | Accepts external reset signal or connects to on-chip POR/LVD output for system-level fault recovery |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA typical current enables >10-year battery life in periodic-sensing applications |
| Self-programmable flash | Boot swap and flash shield window functions enable secure firmware updates in field-deployed devices |
| Integrated RTC with calendar | 99-year calendar, alarm, and clock correction eliminate need for external real-time clock IC |
| Multi-protocol serial interfaces | 2× UART/LIN + 3–10× I²C + 2–8× CSI supports mixed-protocol sensor networks and legacy bus integration |
| On-chip temperature sensor | Calibrated sensor usable for thermal compensation or ambient monitoring without external components |
| DMA controller (4 channels) | Reduces CPU load during ADC-to-memory or UART-to-memory transfers, improving real-time response |
Applications
| Smart Utility Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Battery-powered gas/water meter with hourly pulse logging and wireless wake-up. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing RTC-based scheduling, and handling RF transceiver handshaking via UART. Use Value: 0.57 μA STOP mode extends 3.6 V lithium battery life beyond 12 years; integrated LIN-capable UART simplifies HART modem interface. |
Use Scenario: DIN-rail mounted vibration/temperature transmitter with Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Signal acquisition controller performing 10-bit ADC sampling, digital filtering, and protocol framing before UART transmission. Use Value: 26-channel ADC supports multi-sensor analog front-end; 8 KB data flash stores calibration coefficients and event logs with BGO for zero-interrupt firmware updates. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: Refrigerator main control board managing compressor, defrost heater, and display via I²C. IC Role / Device Role / Timing Role: Real-time appliance coordinator running safety logic, PWM motor control, and user interface state machine. Use Value: 96 KB flash accommodates dual-application firmware (main + service mode); on-chip key interrupt reduces external debounce circuitry. |
Use Scenario: HVAC zone controller interfacing with thermostats, dampers, and CO₂ sensors via multiple I²C buses. IC Role / Device Role / Timing Role: Central hub processor aggregating sensor data, executing PID loops, and communicating via RS-485 Modbus. Use Value: 10 I²C channels allow direct connection of up to 10 discrete sensors without bus expanders; 4-channel DMA offloads I²C read bursts from CPU. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101FLAFP#V0 | Same 96 KB flash/8 KB data flash/8 KB RAM; differs only in packaging: LQFP-44 with 0.65-mm pitch (FA) vs. 0.8-mm pitch (FP) | Requires PCB footprint revision due to pitch difference; identical electrical and functional behavior | Select R5F101FLAFP#V0 only when migrating to finer-pitch layout or matching existing FA-package designs |
| R5F100FLDFP#V0 | Includes 4 KB data flash (vs. 8 KB) and lacks data flash BGO; otherwise identical core, peripherals, and package | Suitable for cost-sensitive applications where background rewriting is unnecessary and 4 KB data storage suffices | Choose R5F100FLDFP#V0 when firmware update frequency is low and data logging volume is minimal |
Compared with R5F101FLDFP#V0, R5F101FLAFP#V0 offers identical functionality in a denser LQFP variant requiring layout adaptation, while R5F100FLDFP#V0 trades 4 KB less data flash and no BGO for lower unit cost - making it viable only where background rewrites and extended data retention are non-critical.
Availability
R5F101FLDFP#V0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and building automation systems requiring stable component supply, long-term lifecycle assurance, and industrial temperature grade (-40°C to +85°C).
Supply support for R5F101FLDFP#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 delivers ultra-low-power 16-bit MCU performance for cost-sensitive, battery-operated, and industrial control applications - emphasizing energy efficiency, integrated peripherals, and robust development tooling.
FAQ
What is the maximum operating frequency and corresponding power consumption of the R5F101FLDFP#V0?
The R5F101FLDFP#V0 operates up to 32 MHz using its high-accuracy on-chip oscillator (±1.0% over -20°C to +85°C). At this speed, it consumes 66 μA per MHz in active mode. In STOP mode with only RTC and LVD enabled, current drops to 0.57 μA - enabling decade-long battery operation in intermittent-sensing applications. The R5F101FLDFP#V0 achieves this via optimized RL78 core architecture and fine-grained peripheral clock gating.
Does the R5F101FLDFP#V0 support in-system programming and secure firmware updates?
Yes, the R5F101FLDFP#V0 supports full in-system programming via its on-chip debug interface and self-programming capability. It includes boot swap functionality for safe dual-bank firmware updates and a flash shield window to prevent unauthorized access to critical code sections. These features allow field-upgradable firmware with rollback protection - essential for deployed R5F101FLDFP#V0-based meters and controllers.
How many serial communication interfaces does the R5F101FLDFP#V0 provide, and which protocols are supported?
The R5F101FLDFP#V0 provides up to two UART/LIN channels (supporting LIN 2.1/2.2), three to ten I²C/Simplified I²C interfaces, and two to eight CSI (SPI-compatible) channels. This enables concurrent communication with multiple sensors, displays, and modems - for example, one UART for RF module control, one LIN for automotive subsystems, and four I²C ports for environmental sensors - all without external protocol translators.
What analog capabilities does the R5F101FLDFP#V0 offer for sensor interfacing?
The R5F101FLDFP#V0 integrates a 10-bit successive-approximation ADC with up to 26 input channels, selectable reference sources (VDD, AVREFP/AVREFM, or internal 1.45 V), and an on-die temperature sensor. It supports scan mode with automatic channel sequencing and conversion completion interrupts - allowing precise, low-overhead acquisition of thermistor, pressure, and humidity sensor signals directly into RAM via DMA.
Is the R5F101FLDFP#V0 qualified for industrial temperature operation, and what packaging options are available?
Yes, the R5F101FLDFP#V0 is rated for industrial operation from -40°C to +85°C (D-grade marking). It is supplied in a 44-pin LQFP package with 0.8-mm pitch (FP suffix) and tray packaging (#V0). This package meets JEDEC standards for moisture sensitivity level 3 and supports standard reflow profiles - ensuring reliable assembly in high-volume industrial manufacturing environments.
R5F101FLDFP#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:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K 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:
R5F101FLDFP#V0 FAQ
1.How can I place an order for R5F101FLDFP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101FLDFP#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 R5F101FLDFP#V0 reliable?
The price and inventory of R5F101FLDFP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101FLDFP#V0 is usually 5 days.
3.What payment methods are accepted for R5F101FLDFP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101FLDFP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101FLDFP#V0?
R5F101FLDFP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101FLDFP#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 R5F101FLDFP#V0?
For technical support, including R5F101FLDFP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101FLDFP#V0 requirements.
6.How does Aetrix verify that R5F101FLDFP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101FLDFP#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 R5F101FLDFP#V0 meets industry standards.
7.What is the process for return or replacement of R5F101FLDFP#V0?
All R5F101FLDFP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101FLDFP#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 R5F101FLDFP#V0 part is unused and in its original packaging.
Return procedure for R5F101FLDFP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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