Renesas R5F100GCAFB#10
- Part No.:
- R5F100GCAFB#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F100GCAFB#10.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 48LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,459
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Product details
Overview
R5F100GCAFB#10 from Renesas is a 48-pin LFQFP-packaged 16-bit RL78/G13 microcontroller with 128 KB flash, 8 KB data flash, and 12 KB RAM, operating from 1.6 V to 5.5 V. It delivers 41 DMIPS at 32 MHz, features ultra-low power consumption (66 μA/MHz active, 0.57 μA RTC+LVD), and integrates 10-bit ADC (24 channels), RTC, UART/SPI/I²C interfaces, and 16-bit timers - deployed in industrial sensor nodes and battery-powered control modules.
For engineers reviewing the R5F100GCAFB#10 datasheet, R5F100GCAFB#10 pinout, R5F100GCAFB#10 application, or R5F100GCAFB#10 equivalent, key selection criteria include its industrial-grade temperature range (−40°C to +105°C), on-chip debug support, self-programming flash with boot swap, and compatibility with Renesas' CS+ and e² studio toolchains.
Technical Context
The R5F100GCAFB#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 includes a 2-channel DMA controller, 16×16-bit multiplier/32-bit divider, and background operation for data flash rewriting while executing program code.
Its power management comprises HALT, STOP, and SNOOZE low-power modes, an on-chip POR circuit, and a 14-level LVD with selectable interrupt/reset behavior. The real-time clock supports calendar functions up to 99 years, alarm, and clock correction - all operable during STOP mode with only RTC and LVD active.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic timing and compact code size for resource-constrained embedded control. |
| Max Operating Frequency | 32 MHz; achieves 41 DMIPS performance suitable for real-time motor control and protocol stack handling. |
| Flash Memory | 128 KB code flash + 8 KB data flash; supports self-programming with boot swap and flash shield window for firmware security. |
| RAM | 12 KB on-chip RAM; sufficient for RTOS stacks, communication buffers, and sensor data processing in standalone nodes. |
| ADC Resolution & Channels | 10-bit resolution with up to 24 analog inputs; enables simultaneous monitoring of multiple sensors without external multiplexers. |
| Operating Temperature | −40°C to +105°C (Industrial G-grade); qualified for under-hood automotive ECUs and factory-floor PLC I/O modules. |
| Supply Voltage Range | 1.6 V to 5.5 V; allows direct interface with Li-ion batteries, 3.3 V logic, and legacy 5 V peripherals without level-shifting. |
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 and I/O domain operation; decoupling required per Renesas layout guidelines. |
| P00–P07, P10–P17, P20–P27, P30–P37, P40–P47 | General-purpose I/O ports | 48 total I/O pins; configurable as N-ch open drain (6 V tolerant), TTL input, or with internal pull-up; supports different-potential interfacing (1.8/2.5/3 V). |
| P10/P11 | SPI0 clock/data (SCK00/SI00) | Hardware SPI master/slave interface; usable for sensor communication or flash memory expansion. |
| P12/P13 | UART0 TX/RX (TxD0/RxD0) | Full-duplex asynchronous serial interface; supports LIN bus physical layer via software configuration. |
| P20–P27 | ADC input channels ANI0–ANI7 | Eight dedicated analog inputs; additional channels available on other port pins (up to ANI24), enabling multi-sensor analog acquisition. |
| RESET | Active-low reset input | Accepts external reset signal; internally tied to on-chip POR and LVD circuits for robust system initialization. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power modes | HALT (0.23 μA), STOP (0.57 μA with RTC+LVD), and SNOOZE enable >10-year battery life in metering applications. |
| On-chip debug interface | Fully integrated on-chip debug circuit eliminates need for external JTAG emulator; supports flash programming and real-time trace. |
| Data flash BGO | Background operation allows concurrent program execution and data logging - critical for black-box recorder functionality. |
| High-accuracy oscillator | ±1.0% tolerance over −20°C to +85°C at 32 MHz; eliminates external crystal for cost-sensitive designs requiring moderate timing precision. |
| Peripheral independence | Timers, UART, and ADC operate independently of CPU clock; permits mixed-speed peripheral operation without software overhead. |
Applications
| Smart Energy Metering | Industrial Motor Control |
|---|---|
Use Scenario: Three-phase electricity meter with tariff switching, tamper detection, and wireless data upload. IC Role / Device Role / Timing Role: Main controller managing ADC sampling, RTC-based billing cycles, secure flash storage of usage logs, and UART-to-PLC communication. Use Value: Integrated 10-bit ADC (24 ch), RTC calendar, and 8 KB data flash enable local data retention and time-stamped event logging without external components. | Use Scenario: Brushless DC motor drive in HVAC blower systems with thermal protection and speed feedback. IC Role / Device Role / Timing Role: Real-time motion controller coordinating PWM generation, current sensing, and fault response within <10 μs latency. Use Value: 16-bit timer with complementary PWM outputs, 12 KB RAM for FOC algorithm variables, and 32 MHz deterministic execution ensure precise commutation timing. |
| Wireless Sensor Node | Automotive Body Control Module |
Use Scenario: Battery-powered environmental sensor node transmitting temperature/humidity via sub-GHz RF transceiver. IC Role / Device Role / Timing Role: Low-power host MCU managing sleep/wake cycles, sensor polling, data preprocessing, and SPI-based RF IC control. Use Value: 0.57 μA STOP mode with RTC wake-up and 24-channel ADC reduce average current to <5 μA, extending coin-cell life beyond 5 years. | Use Scenario: Door module controlling window lift, mirror fold, and interior lighting with LIN communication to central ECU. IC Role / Device Role / Timing Role: LIN slave node executing position sensing, PWM dimming, and diagnostic reporting using on-chip peripherals. Use Value: Built-in LIN-capable UART, −40°C to +105°C rating, and 128 KB flash for A/B firmware updates meet automotive ASIL-B functional safety requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100GDAFB#10 | Same package and pinout; differs in flash/RAM: 128 KB flash, 8 KB data flash, but 12 KB RAM → 16 KB RAM. | Higher RAM supports larger protocol stacks (e.g., BLE mesh or MQTT-SN) and more complex state machines. | Select when application requires >12 KB RAM for RTOS heap or large communication buffers. |
| R5F101GCAFB#10 | Identical package, pinout, and memory map; lacks on-chip data flash (0 KB vs. 8 KB). | Requires external EEPROM or FRAM for nonvolatile parameter storage; unsuitable for field-upgradable calibration data. | Select only if data logging or firmware parameter persistence is handled externally or not required. |
Compared with R5F100GCAFB#10, R5F100GDAFB#10 offers expanded RAM for scalable firmware, while R5F101GCAFB#10 trades data flash for lower cost where persistent storage is offloaded - both retain identical peripheral sets and industrial temperature qualification.
Availability
R5F100GCAFB#10 is available at Aetrix Electronics and suitable for industrial motor drives, smart metering systems, and automotive body electronics requiring stable component supply across extended product lifecycles.
Supply support for R5F100GCAFB#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, and power devices for automotive, industrial, and IoT markets.
The RL78/G13 family targets cost-sensitive, ultra-low-power general-purpose applications - designed to replace legacy 8-bit MCUs while delivering 16-bit performance, integrated peripherals, and simplified development through unified toolchains.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100GCAFB#10?
The R5F100GCAFB#10 operates at up to 32 MHz and delivers 41 DMIPS of processing performance. This is achieved using the RL78 CPU core's 3-stage pipeline and high-speed on-chip oscillator. Its minimum instruction execution time is 0.03125 μs at 32 MHz, making it suitable for real-time control tasks such as motor commutation and protocol parsing. The R5F100GCAFB#10 maintains this performance across its full industrial temperature range (−40°C to +105°C).
Does the R5F100GCAFB#10 support in-system programming and secure firmware updates?
Yes, the R5F100GCAFB#10 supports full in-system programming via its on-chip debug interface and self-programming flash controller. It includes boot swap functionality for safe dual-bank firmware updates and a flash shield window to prevent unauthorized access to protected code regions. These features enable field firmware upgrades without requiring external programmers. The R5F100GCAFB#10 also supports block erase prohibition for enhanced IP protection.
What analog capabilities does the R5F100GCAFB#10 provide for sensor interfacing?
The R5F100GCAFB#10 integrates a 10-bit successive-approximation ADC with up to 24 input channels, internal 1.45 V reference voltage, and a built-in temperature sensor. It supports scan mode, hardware-triggered conversions, and result alignment options. The ADC operates across the full 1.6 V to 5.5 V supply range, allowing direct connection to resistive sensors, thermistors, and bridge circuits. The R5F100GCAFB#10 also provides dedicated analog input pins with AVREFP/AVREFM for precision measurements.
How does the R5F100GCAFB#10 manage power in battery-operated applications?
The R5F100GCAFB#10 employs multiple low-power modes: HALT (0.23 μA), STOP (0.57 μA with RTC + LVD active), and SNOOZE (fast wake-up with selected peripherals running). Its 66 μA/MHz active current and ability to run the RTC and voltage detector independently in STOP mode enable multi-year operation on coin cells. The R5F100GCAFB#10 also supports automatic wake-up via key interrupt, timer, or peripheral event - essential for intermittent-sensing applications.
Is the R5F100GCAFB#10 pin-compatible with other RL78/G13 variants in the same package?
Yes, the R5F100GCAFB#10 is pin-compatible with all 48-pin LFQFP variants of the RL78/G13 family, including R5F100GDAFB#10, R5F100GEAFB#10, and R5F100GFAFB#10. All share identical pin functions, electrical characteristics, and mechanical footprint. Firmware portability is further ensured by consistent memory mapping and peripheral register layout across the family - simplifying design reuse and variant management for the R5F100GCAFB#10.
R5F100GCAFB#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:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 2K 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:
R5F100GCAFB#10 FAQ
1.How can I place an order for R5F100GCAFB#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100GCAFB#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 R5F100GCAFB#10 reliable?
The price and inventory of R5F100GCAFB#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100GCAFB#10 is usually 5 days.
3.What payment methods are accepted for R5F100GCAFB#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100GCAFB#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100GCAFB#10?
R5F100GCAFB#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100GCAFB#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 R5F100GCAFB#10?
For technical support, including R5F100GCAFB#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100GCAFB#10 requirements.
6.How does Aetrix verify that R5F100GCAFB#10 is sourced from the original manufacturer or authorized distributors?
All R5F100GCAFB#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 R5F100GCAFB#10 meets industry standards.
7.What is the process for return or replacement of R5F100GCAFB#10?
All R5F100GCAFB#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100GCAFB#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 R5F100GCAFB#10 part is unused and in its original packaging.
Return procedure for R5F100GCAFB#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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