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Renesas R5F101PKAFB#V0
- Part No.:
- R5F101PKAFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F101PKAFB#V0.pdf
- Description:
- IC MCU 16BIT 384KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,361
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Product details
Overview
R5F101PKAFB#V0 from Renesas is a 100-pin LFQFP, 0.5-mm pitch, 16-bit RL78/G13 microcontroller with 96 KB flash memory, 8 KB data flash, 8 KB RAM, and operation from 1.6 V to 5.5 V. It delivers 41 DMIPS at 32 MHz and supports ultra-low-power modes (0.57 μA in RTC+LVD mode), targeting battery-powered industrial sensors and smart metering interfaces.
For engineers reviewing the R5F101PKAFB#V0 datasheet, R5F101PKAFB#V0 pinout, R5F101PKAFB#V0 application, or R5F101PKAFB#V0 equivalent, key selection criteria include its data flash retention (1M rewrite cycles), integrated real-time clock with calendar/alarm, and support for LIN-bus UART channels in industrial-temperature (-40°C to +85°C) operation.
Technical Context
The R5F101PKAFB#V0 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, enabling instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). Its memory subsystem includes 96 KB code flash (1 KB block size), 8 KB data flash with background operation (BGO), and 8 KB on-chip RAM.
Peripheral integration includes up to 16× 16-bit timers, 1× real-time clock with 99-year calendar, 1× watchdog timer, 10-bit A/D converter with 26 analog inputs, and serial interfaces: 2–4 UART/LIN channels, 3–10 I²C/Simplified I²C channels, and 2–8 CSI (SPI-compatible) channels - all configurable under single-supply 1.6–5.5 V operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 41 DMIPS @ 32 MHz |
| Flash Memory | 96 KB code flash (1 KB erase blocks); no data flash (R5F101x series) |
| RAM | 8 KB on-chip RAM, usable for stack, variables, and flash library operations |
| Supply Voltage | 1.6 V to 5.5 V single supply; supports direct connection to 3.3 V or 5 V systems |
| Operating Temperature | -40°C to +85°C (Industrial grade, "D" suffix confirmed by part number decoding) |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE |
| A/D Converter | 10-bit resolution, 26-channel input, internal 1.45 V reference and temperature sensor |
Pinout & Package
Package: 100-pin LFQFP (14 × 14 mm, 0.5-mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling; supports 1.6–5.5 V operation |
| P00–P07, P10–P17, etc. | General-purpose I/O ports | Up to 80 programmable I/O pins; configurable as N-ch open drain (6 V tolerant), TTL input, or with on-chip pull-up |
| P10/P11 | SPI/UART/I²C multiplexed pins | Shared SCK00/SCL00 and SI00/RxD0/TOOLRxD/SDA00 functions enable flexible peripheral routing |
| P20–P27 | Analog input / reference pins | ANI0–ANI7 plus AVREFP/AVREFM support precision 10-bit ADC measurements with internal reference |
| RESET | Active-low reset input | Accepts external reset; internally tied to on-chip POR and LVD circuits |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA current draw with RTC and LVD active-enables multi-year battery life in remote sensors |
| Self-programmable flash | Supports in-application firmware updates without external programmer; boot swap and flash shield window enabled |
| Integrated real-time clock | Full calendar (year/month/day/hour/min/sec), alarm, and clock correction-eliminates need for external RTC IC |
| LIN-bus compatible UART | Hardware LIN protocol support on UART channels simplifies automotive body electronics integration |
| Background data flash operation | Allows CPU to execute from program memory while rewriting data flash-no interrupt latency penalty during logging |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Bidirectional energy measurement with tamper detection and time-of-use billing. IC Role / Device Role / Timing Role: Main controller managing metrology ADC interface, RTC-based tariff switching, and secure firmware updates via UART. Use Value: 96 KB flash stores dual tariff logic and encryption libraries; STOP-mode current enables >10-year battery backup for clock/calendar. | Use Scenario: Wireless temperature/humidity node with local display and periodic BLE wakeup. IC Role / Device Role / Timing Role: System-on-chip host managing sensor acquisition, LCD driving, and low-power sleep/wake scheduling. Use Value: 10-bit ADC with internal temperature sensor enables self-calibration; 8 KB RAM buffers sensor logs during deep-sleep intervals. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: Washing machine main control board with motor drive timing and user interface. IC Role / Device Role / Timing Role: Real-time sequencer coordinating PWM motor control, keypad scan, buzzer output, and fault monitoring. Use Value: 16× 16-bit timers provide precise motor phase timing; on-chip buzzer controller reduces BOM count. | Use Scenario: HVAC zone controller with RS-485 Modbus communication and environmental sensing. IC Role / Device Role / Timing Role: Protocol gateway translating Modbus RTU to local I²C sensor reads and relay actuation. Use Value: Dual UARTs support simultaneous Modbus master/slave; 26-channel ADC monitors multiple thermistors and voltage rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100PKAFB#V0 | Includes 8 KB data flash; same pinout, package, and peripherals | Required when non-volatile parameter storage (e.g., calibration data) must survive power loss | Select if field-updatable configuration storage is needed; otherwise R5F101PKAFB#V0 reduces cost and flash wear |
| RL78/G14 R5F117PKAFB#V0 | Enhanced RL78/G14 core: 48 MHz max, 128 KB flash, 12 KB RAM, added USB and CAN | Needed for USB device connectivity or CAN bus integration; higher power consumption in active mode | Choose only if USB or CAN is mandatory; otherwise R5F101PKAFB#V0 offers optimal cost/power balance for pure control+sensor apps |
Compared with R5F100PKAFB#V0, the R5F101PKAFB#V0 removes data flash to reduce cost and increase endurance of remaining flash; versus RL78/G14, it trades USB/CAN for lower static current (0.57 μA vs ~1.2 μA) and smaller footprint compatibility.
Availability
R5F101PKAFB#V0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and building automation panels requiring stable component supply across extended product lifecycles.
Supply support for R5F101PKAFB#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 enterprise markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power general-purpose embedded applications-designed to replace legacy 8-bit MCUs while delivering 16-bit performance and advanced peripheral integration.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F101PKAFB#V0?
The R5F101PKAFB#V0 operates at up to 32 MHz using its high-speed on-chip oscillator and achieves 41 DMIPS (Dhrystone MIPS) at that frequency. This performance level is sustained across the full industrial temperature range (-40°C to +85°C) and supply voltage (1.6 V to 5.5 V), making R5F101PKAFB#V0 suitable for deterministic real-time control tasks in resource-constrained environments.
Does the R5F101PKAFB#V0 include data flash memory, and how does that affect firmware design?
No, the R5F101PKAFB#V0 does not include data flash memory-this is indicated by the "101" prefix in the part number (per Renesas documentation). Firmware must use code flash sectors or external EEPROM for non-volatile parameter storage. The R5F101PKAFB#V0 retains full self-programming capability for code flash, but lacks the dedicated 4–8 KB data flash found in R5F100x variants, simplifying flash wear management in R5F101PKAFB#V0 deployments.
Which serial communication interfaces are supported on the R5F101PKAFB#V0, and how many channels are available?
The R5F101PKAFB#V0 supports three serial interface types: up to 4 UART/LIN channels (with hardware LIN support), up to 10 I²C/Simplified I²C channels, and up to 8 CSI (SPI-compatible) channels. Channel count depends on pin multiplexing and configuration; for example, P10/P11 can serve as SCK00/SDA00 for I²C or SCK00/SI00 for CSI. All interfaces operate natively from 1.6–5.5 V without level shifters.
What low-power modes are available on the R5F101PKAFB#V0, and what is the lowest achievable current draw?
The R5F101PKAFB#V0 supports HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it draws just 0.57 μA-verified across -40°C to +85°C. This enables decade-long battery operation in metering and sensor applications. HALT mode consumes 66 μA/MHz, and SNOOZE allows selective peripheral wake-up while CPU remains halted, balancing responsiveness and efficiency.
Is the R5F101PKAFB#V0 pin-compatible with other RL78/G13 devices in the same package, and what does that mean for PCB design?
Yes, the R5F101PKAFB#V0 is pin-compatible with all other 100-pin LFQFP RL78/G13 variants (e.g., R5F100PKAFB#V0, R5F101PLAFB#V0), sharing identical pinout, electrical characteristics, and footprint. This allows drop-in replacement during design iteration or qualification-firmware may require minor updates for differing memory sizes or peripheral enables, but no PCB rework is needed when migrating within the G13 100-pin family.
R5F101PKAFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- 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:
- 82
- Program Memory Size:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 24K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 20x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F101PKAFB#V0 FAQ
1.How can I place an order for R5F101PKAFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101PKAFB#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 R5F101PKAFB#V0 reliable?
The price and inventory of R5F101PKAFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101PKAFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F101PKAFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101PKAFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101PKAFB#V0?
R5F101PKAFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101PKAFB#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 R5F101PKAFB#V0?
For technical support, including R5F101PKAFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101PKAFB#V0 requirements.
6.How does Aetrix verify that R5F101PKAFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101PKAFB#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 R5F101PKAFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F101PKAFB#V0?
All R5F101PKAFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101PKAFB#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 R5F101PKAFB#V0 part is unused and in its original packaging.
Return procedure for R5F101PKAFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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