Renesas R5F101MKAFA#30
- Part No.:
- R5F101MKAFA#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F101MKAFA#30.pdf
- Description:
- IC MCU 16BIT 384KB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,262
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Product details
Overview
R5F101MKAFA#30 from Renesas is an RL78/G13 80-pin LQFP-0.65mm microcontroller with no data flash, 384 KB code flash, 24 KB RAM, and industrial-grade operation from −40°C to +85°C. It delivers 41 DMIPS at 32 MHz, consumes 66 μA/MHz active and 0.57 μA in RTC+LVD mode, and integrates 16-bit timers, 10-bit ADC (26 channels), UART/LIN, I²C, CSI, RTC, and DMA for embedded control in power-constrained systems.
For engineers reviewing the R5F101MKAFA#30 datasheet, R5F101MKAFA#30 pinout, R5F101MKAFA#30 application, or R5F101MKAFA#30 equivalent, key selection considerations include its 80-pin LQFP package, absence of on-chip data flash, −40°C to +85°C industrial temperature rating, 384 KB/24 KB memory configuration, and support for LIN bus communication and background data flash programming via external library.
Technical Context
The R5F101MKAFA#30 implements the RL78 CPU core-a CISC architecture with 3-stage pipeline-enabling instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz ultra-low-power mode). It supports multiple low-power modes including HALT, STOP, and SNOOZE, with dedicated low-speed on-chip oscillator for watchdog and RTC operation.
It integrates a 10-bit A/D converter with up to 26 input channels, internal 1.45 V reference voltage, and temperature sensor; dual serial interfaces (CSI and UART/LIN) with up to 4 UART channels supporting LIN protocol; and a real-time clock with calendar, alarm, and clock correction functions-all operating independently during STOP mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline, 41 DMIPS @ 32 MHz |
| Flash Memory | 384 KB code flash, 1 KB block size, self-programming with boot swap |
| RAM | 24 KB on-chip RAM, used by flash library starting at FAF00H |
| Power Consumption | 66 μA/MHz active current; 0.57 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit A/D converter with 26 channels, internal 1.45 V reference, temperature sensor |
| Timers & Clock | 16-bit timer × 16 channels, 12-bit interval timer, calendar RTC, watchdog timer |
| Serial Interfaces | CSI (SPI-like) × 2–8, UART/LIN × 2–4, I²C/Simplified I²C × 3–10 |
Pinout & Package
Package: 80-pin LQFP, 14 × 14 mm body, 0.65 mm pitch, plastic, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Serial clock input/output | Shared SPI clock (CSI) and I²C clock (SCL); bidirectional, open-drain capable |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Serial data input / UART receive | Multi-function pin supporting CSI data-in, UART0 RX, debug TOOLRxD, and I²C data (SDA) |
| P12/SO00/TxD0/TOOLTxD | Serial data output / UART transmit | Supports CSI data-out, UART0 TX, and debug TOOLTxD; push-pull or open-drain configurable |
| P13/INTP0/TOOLCLK | External interrupt / debug clock | Dedicated external interrupt input (INTP0) and SWD/JTAG clock (TOOLCLK) for debugging |
| P20/ANI0/AVREFP | Analog input / ADC reference positive | Primary analog input channel 0 and selectable positive reference for ADC |
| P21/ANI1/AVREFM | Analog input / ADC reference negative | Analog input channel 1 and selectable negative reference (AVREFM) for differential ADC mode |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.57 μA STOP mode with RTC + LVD enables battery-backed timekeeping for >10 years on coin cell |
| Self-programmable flash | Boot swap and flash shield window allow safe firmware updates without external programmer |
| Background data rewriting | Not applicable - R5F101MKAFA#30 has no data flash; only code flash self-programming supported |
| LIN bus compliance | UART peripheral supports LIN 2.2 physical layer timing and checksum generation in hardware |
| Different-potential interface | I/O pins tolerate 1.8 V, 2.5 V, and 3 V logic levels, enabling direct interfacing with mixed-voltage peripherals |
Applications
| Home Appliance Control | Industrial Sensor Node |
|---|---|
|
Use Scenario: Smart washing machine main controller managing motor drive, water level sensing, display, and user interface. IC Role / Device Role / Timing Role: Primary system MCU executing real-time motor control loops, reading 10-bit ADC channels for pressure/temperature, and driving segmented LCD via on-chip controller. Use Value: 384 KB flash accommodates complex UI and motor algorithms; ultra-low STOP current extends standby battery life for door-open detection. |
Use Scenario: Wireless temperature/humidity node with RS-485 backhaul and local LED status indication. IC Role / Device Role / Timing Role: Sensor fusion MCU acquiring analog inputs, performing calibration, formatting Modbus RTU frames, and managing RS-485 transceiver enable timing. Use Value: Integrated UART with LIN timing capability simplifies RS-485 half-duplex control; 24 KB RAM buffers sensor logs during RF transmission gaps. |
| Building Automation Panel | Medical Diagnostic Device |
|
Use Scenario: HVAC zone controller with keypad, ambient light sensing, relay outputs, and BACnet MS/TP over RS-485. IC Role / Device Role / Timing Role: Real-time coordinator handling button debouncing, PWM fan control, 16-bit timer-based RS-485 bit timing, and RTC-scheduled ventilation cycles. Use Value: Calendar RTC maintains accurate scheduling across power cycles; 26-channel ADC supports multi-sensor thermal mapping without external mux. |
Use Scenario: Portable blood glucose meter requiring precise analog measurement, low-power sleep between tests, and USB-CDC or BLE host interface. IC Role / Device Role / Timing Role: Precision analog front-end MCU digitizing electrochemical sensor output via 10-bit ADC with internal 1.45 V reference and temperature compensation. Use Value: On-chip temperature sensor enables automatic gain/offset correction; 0.57 μA RTC+LVD mode ensures >5-year shelf life with backup capacitor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100MKAFA#30 | Includes 8 KB data flash; identical pinout, package, and code flash size | Enables EEPROM-like parameter storage without external IC; suitable where field-updatable calibration data is required | Select when nonvolatile parameter retention is needed; requires flash library integration for data flash access |
| R5F101MLAFA#30 | Same family, 80-pin LQFP, but with 512 KB code flash and 32 KB RAM | Targets more complex firmware (e.g., OTA stack, GUI engine); higher memory headroom for future feature expansion | Choose for long-lifecycle designs requiring firmware scalability; same PCB layout, no redesign needed |
Compared with R5F100MKAFA#30, the R5F101MKAFA#30 eliminates data flash overhead and reduces cost for fixed-parameter systems; compared with R5F101MLAFA#30, it trades memory headroom for lower unit cost and smaller flash programming footprint in volume production.
Availability
R5F101MKAFA#30 is available at Aetrix Electronics and suitable for industrial automation controllers, building management systems, and portable medical devices requiring stable component supply, extended lifecycle support, and guaranteed traceability.
Supply support for R5F101MKAFA#30 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 product line targets cost-sensitive, ultra-low-power general-purpose embedded applications-designed to replace legacy 8/16-bit MCUs while delivering 32-bit-class performance per watt.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F101MKAFA#30?
The R5F101MKAFA#30 operates at up to 32 MHz using its high-speed on-chip oscillator and achieves 41 DMIPS (Dhrystone MIPS) at that frequency. Its minimum instruction execution time is 0.03125 μs under these conditions, verified per Renesas R01DS0131EJ0380 datasheet Section 1.1.
Does the R5F101MKAFA#30 include on-chip data flash memory?
No, the R5F101MKAFA#30 does not include on-chip data flash memory. The "101" in the part number explicitly denotes absence of data flash, unlike "100" variants (e.g., R5F100MKAFA#30) which integrate 8 KB. Code flash remains fully self-programmable with boot swap functionality.
What is the operating temperature range specified for the R5F101MKAFA#30?
The R5F101MKAFA#30 is rated for industrial operation from −40°C to +85°C, indicated by the "D" suffix in its full ordering code structure. This is confirmed in Table 1-1 (Page 11) and Section 1.1 of the R01DS0131EJ0380 datasheet, where "D: Industrial applications, TA = −40 to +85°C" applies.
Which serial communication protocols does the R5F101MKAFA#30 support natively in hardware?
The R5F101MKAFA#30 supports CSI (SPI-compatible), UART/LIN (with LIN 2.2 timing and checksum generation), and I²C/Simplified I²C-all implemented in dedicated hardware peripherals. Up to 4 UART channels can be configured, with at least one supporting full LIN physical layer compliance without software bit-banging.
What package type and pin count does the R5F101MKAFA#30 use?
The R5F101MKAFA#30 uses an 80-pin LQFP package with 14 × 14 mm body and 0.65 mm pitch, identified by the "FA" suffix per Renesas' package coding (Section 1.2, Page 3). This matches PLQP0080JB-E packaging specification and is compatible with standard 0.65 mm pitch reflow profiles.
R5F101MKAFA#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- 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:
- 64
- 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 17x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F101MKAFA#30 FAQ
1.How can I place an order for R5F101MKAFA#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101MKAFA#30 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 R5F101MKAFA#30 reliable?
The price and inventory of R5F101MKAFA#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101MKAFA#30 is usually 5 days.
3.What payment methods are accepted for R5F101MKAFA#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101MKAFA#30 transactions.
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4.How is shipping managed for R5F101MKAFA#30?
R5F101MKAFA#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101MKAFA#30 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 R5F101MKAFA#30?
For technical support, including R5F101MKAFA#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101MKAFA#30 requirements.
6.How does Aetrix verify that R5F101MKAFA#30 is sourced from the original manufacturer or authorized distributors?
All R5F101MKAFA#30 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 R5F101MKAFA#30 meets industry standards.
7.What is the process for return or replacement of R5F101MKAFA#30?
All R5F101MKAFA#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101MKAFA#30, 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 R5F101MKAFA#30 part is unused and in its original packaging.
Return procedure for R5F101MKAFA#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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