Renesas R5F100GKAFB#10
- Part No.:
- R5F100GKAFB#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F100GKAFB#10.pdf
- Description:
- IC MCU 16BIT 384KB FLASH 48LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,000
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F100GKAFB#10 from Renesas is a 48-pin LFQFP-0.5mm-pitch 16-bit RL78/G13 microcontroller with 256 KB flash, 8 KB data flash, 20 KB RAM, and industrial-grade operation up to +105°C. It integrates a real-time clock, 10-bit ADC (26 channels), UART/LIN, I²C, CSI, 16-bit timers, DMA, and ultra-low-power modes (0.57 μA in RTC+LVD mode) for embedded control in HVAC, motor drives, and smart sensors.
For engineers reviewing the R5F100GKAFB#10 datasheet, R5F100GKAFB#10 pinout, R5F100GKAFB#10 application, or R5F100GKAFB#10 equivalent, key selection criteria include its 48-pin LFQFP package, G-grade temperature range (−40°C to +105°C), integrated LIN support, background data flash rewriting capability, and RL78 CPU core delivering 41 DMIPS at 32 MHz.
Technical Context
The R5F100GKAFB#10 implements the RL78 CPU core with a 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). It features dual power domains enabling independent peripheral clock gating and HALT/STOP/SNOOZE low-power states.
Its memory subsystem includes 256 KB on-chip code flash (1 KB block size, security lockable), 8 KB data flash with background operation (BGO) and 1M rewrite endurance, and 20 KB SRAM - with flash library RAM usage starting at address FAF00H per device configuration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline, 41 DMIPS @ 32 MHz |
| Flash Memory | 256 KB code flash with 1 KB erase blocks, self-programming and boot swap support |
| Data Flash | 8 KB with background operation (BGO), 1,000,000 write cycles, VDD = 1.8–5.5 V |
| RAM | 20 KB on-chip SRAM; flash library uses fixed RAM area starting at FAF00H |
| Operating Temp | −40°C to +105°C (G-grade industrial), single 1.6–5.5 V supply |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE |
| Peripherals | 26-channel 10-bit ADC, RTC with calendar/alarm, 3× I²C, 4× UART/LIN, 8× CSI, 16× 16-bit timers, 4-channel DMA |
Pinout & Package
Package: 48-pin LFQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core/peripheral rail decoupling; supports 1.6–5.5 V operation |
| P00–P07, P10–P17, P20–P27, P30–P37, P40–P47, P50–P57 | General-purpose I/O | Up to 41 programmable ports with N-ch open-drain, TTL input, pull-up options; supports 1.8/2.5/3.0 V interface |
| P10/P11 | SPI/I²C/UART multiplexed pins | Configurable as SCK00/SCL00 or SI00/RxD0/TOOLRxD/SDA00 - enables shared debug and communication interfaces |
| P20/P21 | Analog inputs / reference | ANI0/AVREFP and ANI1/AVREFM - dedicated analog voltage reference inputs for ADC accuracy |
| RESET | Active-low reset input | Accepts external reset signal; internally tied to on-chip POR and LVD circuits |
| CLKP/CLKM | Crystal oscillator terminals | Supports 32.768 kHz crystal for RTC; internal high-speed oscillator selectable from 1–32 MHz ±1.0% |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.57 μA in STOP mode with RTC + LVD active - enables battery-powered operation for >10 years |
| Background data flash rewrite | Execute code from flash while rewriting data flash - no interrupt latency or firmware stall during updates |
| Integrated LIN transceiver support | UART peripherals include LIN bus protocol timing and sync-break detection - eliminates need for external LIN PHY in cost-sensitive nodes |
| On-chip debug & security | Fully functional on-chip debug interface with flash shield window and block erase prohibition - protects IP during field deployment |
| Temperature sensor & VREF | Integrated bandgap temperature sensor and 1.45 V internal reference - enables calibration-free thermal monitoring and precise ADC measurements |
Applications
| Smart Thermostats | HVAC Control Units |
|---|---|
Use Scenario: Local temperature/humidity sensing, display driving, wireless comms, and valve actuation in residential and commercial thermostats. IC Role / Device Role / Timing Role: Main system controller managing sensor acquisition, UI rendering, RF stack timing, and PWM fan/motor control. Use Value: Integrated 10-bit ADC (26 ch), RTC calendar, and ultra-low STOP-mode current (0.57 μA) extend battery life while maintaining accurate timekeeping and event scheduling. | Use Scenario: Centralized air handling unit control with multi-zone damper positioning, CO₂ monitoring, and energy optimization algorithms. IC Role / Device Role / Timing Role: Real-time deterministic controller coordinating analog sensor fusion, PID loop execution, and LIN-connected zone actuators. Use Value: 41 DMIPS performance at 32 MHz, 256 KB flash for complex control logic, and LIN-capable UARTs reduce BOM count and wiring complexity. |
| Industrial Motor Drives | Smart Sensor Nodes |
Use Scenario: BLDC motor commutation, current sensing, fault protection, and CAN/LIN gateway functions in pump/compressor systems. IC Role / Device Role / Timing Role: Dedicated motor control MCU handling ADC-sampled current loops, timer-based PWM generation, and safety-critical watchdog supervision. Use Value: 16-bit timers with complementary output, 10-bit ADC with hardware averaging, and −40°C to +105°C G-grade rating ensure robustness in harsh mechanical environments. | Use Scenario: Battery-powered environmental monitors (temp, humidity, pressure, VOC) transmitting data via BLE or sub-GHz RF to gateways. IC Role / Device Role / Timing Role: Low-power sensor hub aggregating and preprocessing analog/digital sensor data before transmission. Use Value: 0.57 μA STOP mode with RTC wake-up, integrated temperature sensor, and 8 KB data flash for logging enable multi-year deployments without maintenance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101GKAFB#10 | No data flash (0 KB); otherwise identical pinout, peripherals, and G-grade temp range | Suitable where firmware updates do not require nonvolatile parameter storage | Select when data logging or field-updatable calibration tables are unnecessary |
| RL78/G14 R5F104GKAFB#10 | Enhanced RL78/G14 core: higher max frequency (48 MHz), larger RAM (32 KB), added USB and capacitive touch support | Better suited for USB-connected HMI or touch-enabled devices requiring more processing headroom | Choose for future-proofing or when USB connectivity or advanced HMI features are required |
Compared with R5F101GKAFB#10, the R5F100GKAFB#10 provides essential nonvolatile data storage for calibration and runtime parameters; versus RL78/G14 R5F104GKAFB#10, it offers lower cost and power for established designs where USB or extra RAM is unused.
Availability
R5F100GKAFB#10 is available at Aetrix Electronics and suitable for HVAC control units, industrial motor drives, smart thermostats, and battery-powered sensor nodes requiring stable component supply across extended product lifecycles.
Supply support for R5F100GKAFB#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/G13 family is designed for cost-sensitive, ultra-low-power general-purpose embedded applications - balancing performance, integration, and energy efficiency in industrial controls and consumer appliances.
FAQ
What is the maximum operating frequency and DMIPS rating of the R5F100GKAFB#10?
The R5F100GKAFB#10 operates at up to 32 MHz with an RL78 CPU core delivering 41 DMIPS. Its high-speed on-chip oscillator supports selectable frequencies from 1 MHz to 32 MHz with ±1.0% accuracy across −20°C to +85°C, and the core's 3-stage pipeline ensures deterministic timing for real-time control tasks in the R5F100GKAFB#10.
Does the R5F100GKAFB#10 support LIN bus communication natively?
Yes, the R5F100GKAFB#10 supports LIN bus communication through its UART peripherals, which include built-in LIN-specific features such as sync-break detection and timing control compliant with LIN 2.x specifications. No external LIN transceiver is required for basic node functionality, reducing system cost and board space in the R5F100GKAFB#10 design.
What are the memory resources allocated to the R5F100GKAFB#10?
The R5F100GKAFB#10 integrates 256 KB of code flash memory (1 KB erase blocks), 8 KB of data flash memory with background operation (BGO) and 1,000,000 write-cycle endurance, and 20 KB of on-chip SRAM. The flash library reserves RAM starting at address FAF00H, as confirmed in the RL78/G13 datasheet for R5F100xJ-series devices like the R5F100GKAFB#10.
What low-power modes does the R5F100GKAFB#10 support, and what is its lowest current consumption?
The R5F100GKAFB#10 supports HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it consumes just 0.57 μA - enabling decade-long battery operation in metering and sensor applications. Its 66 μA/MHz active-mode efficiency further optimizes energy use across dynamic workloads in the R5F100GKAFB#10.
Is the R5F100GKAFB#10 pin-compatible with other RL78/G13 variants in the same package?
Yes, the R5F100GKAFB#10 is pin-compatible with all 48-pin LFQFP RL78/G13 variants sharing the FB suffix (e.g., R5F100FKAFB#10, R5F100JKAFB#10), as confirmed by Renesas' standardized pin configuration for this package. Peripheral mapping and power/ground pin locations remain consistent, allowing layout reuse across memory- and feature-scaled versions of the R5F100GKAFB#10.
R5F100GKAFB#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RL78/G13
- 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:
- 24K 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:
R5F100GKAFB#10 FAQ
1.How can I place an order for R5F100GKAFB#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100GKAFB#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 R5F100GKAFB#10 reliable?
The price and inventory of R5F100GKAFB#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100GKAFB#10 is usually 5 days.
3.What payment methods are accepted for R5F100GKAFB#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100GKAFB#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100GKAFB#10?
R5F100GKAFB#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100GKAFB#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 R5F100GKAFB#10?
For technical support, including R5F100GKAFB#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100GKAFB#10 requirements.
6.How does Aetrix verify that R5F100GKAFB#10 is sourced from the original manufacturer or authorized distributors?
All R5F100GKAFB#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 R5F100GKAFB#10 meets industry standards.
7.What is the process for return or replacement of R5F100GKAFB#10?
All R5F100GKAFB#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100GKAFB#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 R5F100GKAFB#10 part is unused and in its original packaging.
Return procedure for R5F100GKAFB#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F100GKAFB#10 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

