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Renesas R5F101FJAFP#V0
- Part No.:
- R5F101FJAFP#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F101FJAFP#V0.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,626
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Product details
Overview
R5F101FJAFP#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 ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD mode), designed for battery-powered industrial sensors and smart metering endpoints.
For engineers reviewing the R5F101FJAFP#V0 datasheet, R5F101FJAFP#V0 pinout, R5F101FJAFP#V0 application, or R5F101FJAFP#V0 equivalent, key selection criteria include its 1.6–5.5 V supply range, integrated 10-bit 26-channel ADC, real-time clock with calendar/alarm, and support for UART/LIN, I²C, and CSI interfaces in compact industrial-grade packaging.
Technical Context
The R5F101FJAFP#V0 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock), and features on-chip debug, self-programming flash with boot swap, and background operation during data flash rewriting.
It integrates a 16-bit timer array (12 channels), 12-bit interval timer, watchdog timer, DMA controller (4 channels), 16×16/32÷32 multiplier/divider, and analog peripherals including internal 1.45 V reference and temperature sensor - all operating across -40°C to +85°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time control at low power |
| Max Clock | 32 MHz via high-accuracy ±1.0% on-chip oscillator; eliminates external crystal for cost-sensitive designs |
| Flash / Data Flash / RAM | 96 KB code flash / 8 KB data flash / 8 KB RAM; supports firmware updates and parameter storage without external EEPROM |
| ADC | 10-bit resolution, 26 input channels, internal 1.45 V reference; suitable for multi-sensor analog acquisition in metering |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA), SNOOZE; extends battery life in intermittent-sampling applications |
| Operating Voltage | 1.6 V to 5.5 V single supply; interoperable with 1.8 V, 2.5 V, and 3.3 V peripherals without level shifters |
| Package | 44-pin LQFP (10 × 10 mm, 0.8 mm pitch); compatible with standard reflow processes and industrial PCB layouts |
Pinout & Package
44-pin plastic LQFP (10 × 10 mm, 0.8-mm pitch), RoHS-compliant, tray-packaged (#V0).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI clock / I²C clock | Shared pin supports dual synchronous serial protocols; requires software-configurable peripheral routing |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI input / UART receive / debug RX / I²C data | Multi-function I/O enables flexible interface assignment but requires careful pin-mux planning |
| P20/ANI0/AVREFP | Analog input 0 / ADC reference positive | Dual-role pin allows external reference or analog sensing; AVREFP must be stable for ADC accuracy |
| P21/ANI1/AVREFM | Analog input 1 / ADC reference negative | Enables differential ADC measurements when used with AVREFP; critical for precision sensor front-ends |
| P22/ANI2 | Analog input 2 | Third dedicated analog channel; supports temperature sensor or auxiliary voltage monitoring |
| VDD, VSS | Power supply and ground | Multiple VDD/VSS pairs ensure noise immunity and stable operation under dynamic load conditions |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power HALT/STOP modes | Reduces system standby current to sub-μA levels while retaining RTC and LVD functionality |
| On-chip data flash (8 KB) | Enables field-upgradable calibration tables and device configuration without external nonvolatile memory |
| Background operation (BGO) | Permits concurrent program execution and data flash rewrite - essential for seamless firmware updates |
| Integrated LIN-capable UART | Supports automotive and industrial bus communication without external transceiver in basic implementations |
| Real-time clock with calendar | Provides accurate timekeeping over 99 years with alarm and auto-correction; eliminates external RTC IC |
| Hardware multiplier/divider | Accelerates math-intensive tasks like PID control or sensor linearization in real-time without software overhead |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
|
Use Scenario: Residential electricity meter with pulse counting, tariff switching, and tamper detection. IC Role / Device Role / Timing Role: Main controller executing metrology algorithms, managing LCD display, and logging consumption data to on-chip data flash. Use Value: 10-bit 26-channel ADC captures multiple voltage/current inputs simultaneously; RTC maintains billing timestamps across power cycles. |
Use Scenario: Wireless temperature/humidity node in factory HVAC monitoring with 10-year battery life. IC Role / Device Role / Timing Role: Low-power sensor aggregator sampling analog sensors, performing local compensation, and triggering BLE transmission. Use Value: 0.57 μA STOP mode with RTC wake-up enables precise periodic sampling; integrated temperature sensor reduces BOM count. |
| Home Appliance Control | Building Automation Panel |
|
Use Scenario: Washing machine main board managing motor drive, water valves, user interface, and safety interlocks. IC Role / Device Role / Timing Role: Real-time sequencer coordinating PWM outputs, reading buttons/encoders, and driving segmented LCD. Use Value: 16-bit timer array provides independent timing for motor commutation and UI refresh; N-ch open-drain I/O directly drives LEDs and relays. |
Use Scenario: DIN-rail mounted HVAC controller with Modbus RTU over RS-485 and local keypad interface. IC Role / Device Role / Timing Role: Protocol handler and human-machine interface processor interfacing with external transceivers and touch keys. Use Value: UART with LIN support simplifies RS-485 transceiver integration; on-chip key interrupt reduces polling overhead for keypad scanning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100FJAFP#V0 | Same package and pinout, but includes 8 KB data flash (vs. none in R5F101FJAFP#V0); identical code flash (96 KB) and RAM (8 KB) | Required where persistent parameter storage beyond code flash is needed (e.g., calibration history, event logs) | Select R5F100FJAFP#V0 if data flash usage is confirmed; otherwise R5F101FJAFP#V0 reduces cost and simplifies flash management |
| RL78/G14 R5F104GJAFP#V0 | Successor family with 128 KB flash, 12 KB RAM, enhanced ADC (12-bit, 32 ch), and additional UART/I²C channels | Targeted at next-gen designs requiring higher memory, precision, or interface count - not drop-in compatible | Choose R5F104GJAFP#V0 only for new designs needing scalability; R5F101FJAFP#V0 remains optimal for cost- and power-constrained legacy-compatible systems |
Compared with R5F100FJAFP#V0, the R5F101FJAFP#V0 eliminates data flash to reduce unit cost and simplify firmware architecture, while maintaining identical performance, peripherals, and footprint - making it ideal for fixed-function applications without runtime parameter updates.
Availability
R5F101FJAFP#V0 is available at Aetrix Electronics and suitable for smart energy metering, industrial sensor nodes, home appliance control, and building automation panels requiring stable component supply and long-term industrial lifecycle support.
Supply support for R5F101FJAFP#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 industrial, automotive, and IoT markets.
The RL78/G13 family delivers ultra-low-power 16-bit MCU performance for cost-sensitive general-purpose applications, emphasizing energy efficiency, integrated peripherals, and ease of migration within the RL78 ecosystem.
FAQ
What is the maximum operating frequency of the R5F101FJAFP#V0?
The R5F101FJAFP#V0 operates at up to 32 MHz using its high-accuracy on-chip oscillator (±1.0% over -20°C to +85°C). This frequency is achievable with the high-speed main clock mode and supports 41 DMIPS performance, enabling responsive real-time control in resource-constrained systems.
Does the R5F101FJAFP#V0 include data flash memory?
No, the R5F101FJAFP#V0 does not include data flash memory. Per Renesas part numbering convention, the "101" prefix indicates no data flash, distinguishing it from "100"-series variants like R5F100FJAFP#V0 which provide 8 KB of data flash. Code flash remains 96 KB in both cases.
What package type and pin count does the R5F101FJAFP#V0 use?
The R5F101FJAFP#V0 uses a 44-pin plastic LQFP package (10 × 10 mm, 0.8-mm pitch), identified by the "FP" suffix and "#V0" tray packaging code. It is pin-compatible with other RL78/G13 44-pin LQFP variants such as R5F100FJAFP#V0, enabling shared PCB layout where functional requirements align.
Can the R5F101FJAFP#V0 operate from a 1.8 V supply?
Yes, the R5F101FJAFP#V0 supports a wide operating voltage range of 1.6 V to 5.5 V, fully including 1.8 V. At 1.8 V, it can run at reduced maximum frequency (typically ≤ 16 MHz per datasheet derating), maintaining full peripheral functionality including ADC, timers, and serial interfaces.
What debug interface does the R5F101FJAFP#V0 support?
The R5F101FJAFP#V0 supports on-chip debugging via the single-wire debug (SWD)-compatible interface using the TOOLRxD/TOOLTxD pins (P11/P12), compatible with Renesas E2 emulator and standard JTAG/SWD debug tools. No external debug header is required - debug signals share functional I/O pins.
R5F101FJAFP#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:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 20K 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:
R5F101FJAFP#V0 FAQ
1.How can I place an order for R5F101FJAFP#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101FJAFP#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 R5F101FJAFP#V0 reliable?
The price and inventory of R5F101FJAFP#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101FJAFP#V0 is usually 5 days.
3.What payment methods are accepted for R5F101FJAFP#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101FJAFP#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101FJAFP#V0?
R5F101FJAFP#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101FJAFP#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 R5F101FJAFP#V0?
For technical support, including R5F101FJAFP#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101FJAFP#V0 requirements.
6.How does Aetrix verify that R5F101FJAFP#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101FJAFP#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 R5F101FJAFP#V0 meets industry standards.
7.What is the process for return or replacement of R5F101FJAFP#V0?
All R5F101FJAFP#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101FJAFP#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 R5F101FJAFP#V0 part is unused and in its original packaging.
Return procedure for R5F101FJAFP#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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