Renesas R5F104GKAFB#10
- Part No.:
- R5F104GKAFB#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F104GKAFB#10.pdf
- Description:
- IC MCU 16BIT 384KB FLASH 48LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,997
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Product details
Overview
R5F104GKAFB#10 from Renesas is a 48-pin LFQFP, 384 KB flash, 8 KB data flash, 24 KB RAM RL78/G14 16-bit MCU operating from 1.6–5.5 V, delivering 44 DMIPS at 32 MHz with ultra-low power consumption (66 μA/MHz active, 0.60 μA RTC+LVD mode), used in industrial control and sensor interface applications.
For engineers reviewing the R5F104GKAFB#10 datasheet, R5F104GKAFB#10 pinout, R5F104GKAFB#10 application, or R5F104GKAFB#10 equivalent, key selection criteria include its -40°C to +105°C industrial temperature grade (G), 48-pin 0.5 mm pitch LFQFP package, integrated RTC with calendar/alarm, 12-bit interval timer, and dual-channel 8-bit D/A converter supporting real-time analog output.
Technical Context
The R5F104GKAFB#10 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction execution time (0.03125 µs @ 32 MHz to 30.5 µs @ 32.768 kHz). It integrates an Event Link Controller (ELC) enabling hardware-triggered peripheral chaining without CPU intervention.
Its power management includes HALT, STOP, and SNOOZE modes, on-chip POR and LVD (14-level selectable), and a high-accuracy ±1.0% on-chip oscillator (64–1 MHz). The device supports background operation for data flash rewriting while executing code from program memory.
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 | 384 KB code flash with 1 KB block size, self-programming, boot swapping, and flash shield window |
| Data Flash | 8 KB data flash with background operation (BGO), 1,000,000 rewrite cycles, 1.8–5.5 V programming voltage |
| RAM | 24 KB on-chip RAM, including dedicated areas for flash library use (start address F9F00H) |
| Operating Voltage | 1.6–5.5 V supply range, enabling direct interface with 1.8/2.5/3.0 V logic systems |
| Temperature Range | -40°C to +105°C (industrial grade G), qualified for harsh ambient environments |
| Power Consumption | 66 μA/MHz active current; 0.60 μA in STOP mode with RTC and LVD enabled |
Pinout & Package
Package: 48-pin LFQFP (7 × 7 mm, 0.5 mm pitch), RoHS-compliant, with exposed thermal pad recommended to be connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121/X1 | Crystal input | Connects to low-speed 32.768 kHz crystal for RTC operation and clock source selection |
| P122/X2/EXCLK | Crystal output / external clock input | Drives crystal resonator or accepts external clock up to 20 MHz for precise timing |
| RESET | Active-low reset input | Asynchronous reset pin with internal pull-up; asserted low resets CPU and peripherals |
| REGC | Regulator capacitor terminal | Requires 0.47–1 µF capacitor to VSS for internal voltage regulator stability |
| P147/ANI18/VCOUT1 | Analog input / VCUT output | Supports analog sensing or voltage-controlled output for precision monitoring circuits |
| P60/SCLA0 | I²C serial clock line | Primary I²C bus clock pin for up to 10-channel I²C/simplified I²C interface |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Enables 19–26 event signals to trigger peripheral functions directly, eliminating CPU polling overhead and reducing latency |
| Real-time D/A output | Two 8-bit DAC channels support continuous analog waveform generation without CPU intervention during output |
| Background data flash rewrite | Allows full program execution from flash while simultaneously updating data flash-critical for firmware-over-the-air and logging |
| Multi-voltage I/O interface | Configurable I/O ports support 1.8/2.5/3.0 V logic levels, enabling direct connection to mixed-voltage subsystems |
| On-chip RTC with calendar | Full 99-year calendar, alarm, and clock correction functions operate independently in STOP mode with only 0.60 μA draw |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC blowers and factory automation drives. IC Role / Device Role / Timing Role: Main controller executing FOC algorithms, managing PWM timers (TAU, RD, RG), ADC sampling, and UART/LIN communication. Use Value: 44 DMIPS performance and 12-bit interval timer enable precise 10–20 kHz PWM generation with sub-microsecond jitter control. | Use Scenario: Battery-powered environmental sensor hub collecting temperature, humidity, and gas readings for predictive maintenance. IC Role / Device Role / Timing Role: Low-power system manager handling sensor interfacing (I²C, SPI), RTC-timed wake-up, data logging to data flash, and BLE host interface. Use Value: 0.60 μA STOP mode with RTC + LVD enables multi-year battery life; BGO allows sensor data storage without interrupting measurement cycles. |
| Energy Metering Interface | Home Appliance UI Controller |
Use Scenario: Isolated metering front-end communicating with metrology ICs and reporting via RS-485 or PLC. IC Role / Device Role / Timing Role: Secure communication bridge with LIN/UART for metrology IC handshake, AES-protected data framing, and tamper detection. Use Value: On-chip security features (flash block protection, boot swapping) prevent unauthorized firmware modification in revenue-critical devices. | Use Scenario: Touchless UI controller for microwave ovens and washing machines using capacitive touch and buzzer feedback. IC Role / Device Role / Timing Role: Dedicated UI processor managing capacitive sensing (via comparator), buzzer output (PCLBUZ), LED drivers, and button scan via KR pins. Use Value: Integrated PCLBUZ0/PCLBUZ1 and KR0–KR5 keys simplify mechanical-free HMI design with minimal external components. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F104GLAFB#10 | Same 48-pin LFQFP package, identical 384 KB flash/8 KB data flash/24 KB RAM, but rated for -40°C to +85°C (D grade) | Suitable for consumer or lower-ambient industrial environments where extended temperature is not required | Select when cost sensitivity outweighs need for +105°C operation; shares identical pinout and firmware compatibility |
| R5F104LKAFB#10 | 64-pin LFQFP, 512 KB flash/8 KB data flash/48 KB RAM, same G-grade temperature rating | Required when additional I/O (up to 92 pins), larger code space, or extra peripherals (e.g., more UART/CSI channels) are needed | Choose for scalability path-pin-compatible footprint upgrade with no PCB redesign, but requires layout revision for 64-pin variant |
Compared with R5F104GKAFB#10, R5F104GLAFB#10 offers identical functionality at lower temperature grade for cost-sensitive designs, while R5F104LKAFB#10 provides headroom in memory, I/O count, and peripheral density-enabling future feature expansion without architectural change.
Availability
R5F104GKAFB#10 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, energy metering interfaces, and home appliance UI controllers requiring stable component supply across long production lifecycles.
Supply support for R5F104GKAFB#10 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 16-bit MCUs optimized for cost-sensitive industrial and consumer applications demanding robust timing, analog integration, and secure firmware execution.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for the R5F104GKAFB#10?
The R5F104GKAFB#10 operates at up to 32 MHz with a measured performance of 44 DMIPS. This benchmark reflects its RL78 CPU core efficiency under typical code execution conditions, validated per EEMBC CoreMark methodology. The device achieves this while maintaining ultra-low power consumption-66 μA per MHz-making it suitable for high-throughput, battery-constrained applications.
Does the R5F104GKAFB#10 support hardware-based cryptographic operations?
The R5F104GKAFB#10 does not integrate dedicated cryptographic accelerators (e.g., AES, SHA, RSA). Its security features are focused on firmware protection: flash block erase/write prohibition, boot swapping, and flash shield window. For applications requiring hardware crypto, Renesas' RA-family or Trusted Secure IP-enabled RL78 variants should be evaluated instead of the R5F104GKAFB#10.
How many analog-to-digital converter (ADC) channels does the R5F104GKAFB#10 support, and what is the resolution?
The R5F104GKAFB#10 integrates an 8/10-bit resolution successive approximation register (SAR) ADC with up to 20 analog input channels. Resolution is software-selectable per conversion, and the ADC operates across the full 1.6–5.5 V supply range. Internal reference (1.45 V) and temperature sensor are included, enabling accurate sensor measurements without external references.
Is the R5F104GKAFB#10 pin-compatible with other RL78/G14 variants in the 48-pin LFQFP package?
Yes-the R5F104GKAFB#10 shares identical pinout and electrical characteristics with all other 48-pin LFQFP RL78/G14 devices (e.g., R5F104GLAFB#10, R5F104GJAFB#10), regardless of flash/RAM configuration. Pin assignments, I/O functions, and power/ground locations are fully consistent, enabling drop-in replacement within the same package family.
What debug and programming interfaces are supported by the R5F104GKAFB#10?
The R5F104GKAFB#10 supports on-chip debugging via the single-wire debug (SWD) interface using the TOOL0/TOOLRxD/TOOLTxD pins (P40, P50, P51). It is compatible with Renesas E2 emulator and CS+ IDE. No JTAG interface is provided; SWD enables full breakpoint, trace, and flash programming capabilities with minimal pin count overhead.
R5F104GKAFB#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RL78/G14
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- 34
- 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 10x8/10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F104GKAFB#10 FAQ
1.How can I place an order for R5F104GKAFB#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F104GKAFB#10 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 R5F104GKAFB#10 reliable?
The price and inventory of R5F104GKAFB#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F104GKAFB#10 is usually 5 days.
3.What payment methods are accepted for R5F104GKAFB#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F104GKAFB#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F104GKAFB#10?
R5F104GKAFB#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F104GKAFB#10 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 R5F104GKAFB#10?
For technical support, including R5F104GKAFB#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F104GKAFB#10 requirements.
6.How does Aetrix verify that R5F104GKAFB#10 is sourced from the original manufacturer or authorized distributors?
All R5F104GKAFB#10 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 R5F104GKAFB#10 meets industry standards.
7.What is the process for return or replacement of R5F104GKAFB#10?
All R5F104GKAFB#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F104GKAFB#10, 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 R5F104GKAFB#10 part is unused and in its original packaging.
Return procedure for R5F104GKAFB#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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