Renesas R5F104MKAFB#30
- Part No.:
- R5F104MKAFB#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F104MKAFB#30.pdf
- Description:
- IC MCU 16BIT 384KB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:971
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Product details
Overview
R5F104MKAFB#30 from Renesas is an RL78/G14 16-bit low-power MCU with 256 KB flash, 24 KB RAM, and 80-pin LFQFP (0.5 mm pitch) package, operating from 1.6–5.5 V at -40 to +105°C (industrial G-grade). It delivers 44 DMIPS at 32 MHz, features a 12-bit RTC, 10-bit ADC (20 ch), UART/LIN, I²C, and ultra-low power modes (0.60 μA in RTC+LVD mode), targeting industrial control panels and smart sensors.
For engineers reviewing the R5F104MKAFB#30 datasheet, R5F104MKAFB#30 pinout, R5F104MKAFB#30 application, or R5F104MKAFB#30 equivalent, key selection criteria include its G-grade temperature rating, 80-pin LFQFP footprint, integrated data flash (8 KB), event link controller (ELC), and support for background data flash rewriting during program execution.
Technical Context
The R5F104MKAFB#30 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 µs @ 32 MHz to 30.5 µs @ 32.768 kHz). It integrates a Data Transfer Controller (DTC) supporting chain transfer and block/normal/repeat modes triggered by 19–26 event sources via the Event Link Controller (ELC).
Its analog subsystem includes a 10-bit A/D converter with up to 20 input channels, internal 1.45 V reference, and temperature sensor; an 8-bit D/A converter (up to 2 channels); and two comparators with selectable internal/external reference and window mode operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and multiply/divide/accumulate instructions |
| Flash Memory | 256 KB code flash with 1 KB block size, self-programming, boot swapping, and flash shield window |
| Data Flash | 8 KB with background operation (BGO), 1M rewrite cycles (TYP.), programmable at 1.8–5.5 V |
| RAM | 24 KB on-chip SRAM, including dedicated areas for flash library use (start address F9F00H) |
| Operating Voltage | 1.6–5.5 V supply range enables single-supply operation across battery and industrial rails |
| Temperature Range | -40 to +105°C (G-grade), qualified for industrial applications requiring extended thermal stability |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.60 μA with RTC+LVD active), SNOOZE for selective peripheral wake-up |
Pinout & Package
Package: 80-pin LFQFP, 12 × 12 mm body, 0.5 mm pitch, exposed pad not present (LFQFP, not HWQFN).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121/X1 | Crystal oscillator input | Connects to 32.768 kHz crystal for RTC and low-speed clock source |
| P122/X2/EXCLK | Crystal oscillator output / external clock input | Drives 32.768 kHz crystal; alternatively accepts external clock signal |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; debounced externally recommended |
| VDD / VSS | Power supply / ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling; REGC requires 0.47–1 µF capacitor to VSS |
| P00 / P01 | General-purpose I/O with analog functions | Support TI00/TxD1/TRGCLKA and TO00/RxD1/TRGCLKB - dual UART/Timer roles with trace clock capability |
| P147 / P120 | Analog input with VCOUT function | ANI18/VCOUT1 and ANI19/VCOUT0 provide voltage-controlled output for DAC-like analog generation |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Links 19–26 peripheral events without CPU intervention, reducing latency and ISR overhead in real-time control loops |
| Data Transfer Controller (DTC) | Enables zero-CPU-load memory transfers using normal, repeat, or block modes - ideal for ADC-to-memory or UART DMA |
| Background Data Flash Rewrite | Executes code from flash while rewriting data flash, enabling firmware updates and parameter storage without halting operation |
| Real-Time Clock (RTC) | Calendar-based RTC with alarm, clock correction, and 99-year date range - operates independently in STOP mode at 0.60 μA |
| Peripheral I/O Redirection | PIOR0/PIOR1 registers allow dynamic remapping of serial interfaces (UART/I²C/CSI) to alternate pins, simplifying PCB layout reuse |
Applications
| Industrial HMI Panel | Smart Temperature Sensor Node |
|---|---|
Use Scenario: Standalone control panel with LCD, keypad, and relay outputs in factory automation cabinets. IC Role / Device Role / Timing Role: Main system controller managing display refresh, button scan, relay timing, and communication with PLC via UART/LIN. Use Value: G-grade temperature range (-40 to +105°C), 256 KB flash for UI assets + firmware, and ELC-driven timer-peripheral chaining enable deterministic response under thermal stress. | Use Scenario: Battery-powered wireless node measuring ambient temperature and humidity, transmitting data via UART to gateway. IC Role / Device Role / Timing Role: Sensor hub integrating 10-bit ADC (temperature sensor), RTC for scheduled wake-up, and UART for low-power burst transmission. Use Value: 0.60 μA STOP mode with RTC active extends battery life; internal 1.45 V reference ensures ADC accuracy across voltage drop; data flash stores calibration offsets. |
| Programmable Logic Controller (PLC) I/O Module | Energy Metering Front-End |
Use Scenario: DIN-rail mounted digital I/O expansion module with 16-channel isolated inputs and 8-channel relay outputs. IC Role / Device Role / Timing Role: Real-time I/O coordinator using DTC for high-speed GPIO capture and ELC-triggered PWM for status LED control. Use Value: 80-pin package supports full I/O count; HALT mode (66 μA/MHz) minimizes heat in enclosed enclosures; on-chip LVD monitors supply integrity during brown-out conditions. | Use Scenario: Residential electricity meter front-end acquiring voltage/current samples via shunt/sensor, computing RMS and energy totals. IC Role / Device Role / Timing Role: Precision analog acquisition engine with 10-bit ADC (20 ch), internal temperature sensor for drift compensation, and RTC for time-stamped billing data. Use Value: 24 KB RAM buffers multi-cycle sampling; data flash (8 KB) stores tariff tables and historical kWh logs; BGO allows logging during active measurement. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104MLAFB#30 | Same 80-pin LFQFP package, identical G-grade temp range, but 384 KB flash and 32 KB RAM | Suitable where larger firmware image or more runtime variables are required | Select when future firmware growth or complex RTOS usage demands >256 KB flash |
| R5F104MJAFB#30 | Same 80-pin LFQFP, G-grade, but reduced 192 KB flash and 20 KB RAM | Appropriate for cost-sensitive designs with smaller code footprint and fewer peripherals enabled | Choose when application fits within 192 KB flash and does not require full 24 KB RAM allocation |
Compared with R5F104MLAFB#30 and R5F104MJAFB#30, the R5F104MKAFB#30 provides optimal balance of flash capacity (256 KB), RAM (24 KB), and industrial temperature resilience - avoiding over-provisioning while ensuring headroom for field firmware updates and real-time data buffering.
Availability
R5F104MKAFB#30 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, PLC I/O modules, and energy metering front-ends requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F104MKAFB#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, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G14 product line delivers true low-power performance (66 μA/MHz, 0.60 μA STOP) with rich analog integration and flexible peripherals - designed specifically for cost-sensitive, thermally demanding industrial control and sensing applications.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F104MKAFB#30?
The R5F104MKAFB#30 operates up to 32 MHz with a high-speed on-chip oscillator (±1.0% accuracy), delivering 44 DMIPS. Its RL78 core supports configurable instruction timing - from 0.03125 µs at 32 MHz to 30.5 µs at 32.768 kHz - enabling precise trade-offs between speed and ultra-low power in applications like battery-operated sensors.
Does the R5F104MKAFB#30 support in-system programming and secure firmware updates?
Yes, the R5F104MKAFB#30 supports full in-system programming via on-chip debug interface and includes flash security features: block erase/write prohibition, boot swapping, and flash shield window. These capabilities enable secure field firmware updates and IP protection without requiring external programmers during production or maintenance.
How many serial communication interfaces does the R5F104MKAFB#30 integrate, and what protocols are supported?
The R5F104MKAFB#30 integrates up to 10 serial channels: 3–4 UART/LIN interfaces (including LIN bus support), 4–10 I²C/simplified I²C channels, and 3–8 CSI (SPI-compatible) channels. All are configurable via peripheral I/O redirection registers, allowing flexible pin assignment for routing constraints in dense industrial PCB layouts.
What analog peripherals are included in the R5F104MKAFB#30, and how are they calibrated?
The R5F104MKAFB#30 includes a 10-bit A/D converter (20 channels), 8-bit D/A converter (2 channels), two comparators, and an on-chip temperature sensor. The ADC uses an internal 1.45 V reference voltage; calibration data is factory-trimmed and stored in ROM, accessible via system registers to correct for offset/gain drift across voltage and temperature.
Is the R5F104MKAFB#30 pin-compatible with other RL78/G14 variants in the same package?
Yes - all RL78/G14 devices in the 80-pin LFQFP package (e.g., R5F104MLAFB#30, R5F104MJAFB#30) share identical pinouts and electrical characteristics. This enables hardware reuse across firmware variants, simplifying design scaling and migration paths within the same industrial temperature grade and package footprint.
R5F104MKAFB#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G14
- 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:
- 8K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 17x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104MKAFB#30 FAQ
1.How can I place an order for R5F104MKAFB#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104MKAFB#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 R5F104MKAFB#30 reliable?
The price and inventory of R5F104MKAFB#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104MKAFB#30 is usually 5 days.
3.What payment methods are accepted for R5F104MKAFB#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104MKAFB#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104MKAFB#30?
R5F104MKAFB#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104MKAFB#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 R5F104MKAFB#30?
For technical support, including R5F104MKAFB#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104MKAFB#30 requirements.
6.How does Aetrix verify that R5F104MKAFB#30 is sourced from the original manufacturer or authorized distributors?
All R5F104MKAFB#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 R5F104MKAFB#30 meets industry standards.
7.What is the process for return or replacement of R5F104MKAFB#30?
All R5F104MKAFB#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104MKAFB#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 R5F104MKAFB#30 part is unused and in its original packaging.
Return procedure for R5F104MKAFB#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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