Renesas R7F100GBF3CFP#AA0
- Part No.:
- R7F100GBF3CFP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R7F100GBF3CFP#AA0.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 32LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,000
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Product details
Overview
R7F100GBF3CFP#AA0 from Renesas is a 32-pin LQFP-packaged RL78/G23 16-bit microcontroller with 128 KB code flash, 8 KB data flash, and 16 KB RAM, operating from 1.6–5.5 V. It delivers ultra-low power consumption (41 µA/MHz active, 210 nA data retention), integrated capacitive touch sensing (CTSU2L), and dual-clock domain operation for industrial control, sensor nodes, and battery-powered HMI applications.
For engineers reviewing the R7F100GBF3CFP#AA0 datasheet, R7F100GBF3CFP#AA0 pinout, R7F100GBF3CFP#AA0 application, or R7F100GBF3CFP#AA0 equivalent, key selection criteria include its 32-pin LQFP-0.8 mm package, -40°C to +105°C industrial temperature grade (C-suffix), 128 KB flash/16 KB RAM memory configuration, and support for SNOOZE mode sequencer, ELCL event linking, and hardware CRC.
Technical Context
The R7F100GBF3CFP#AA0 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting instruction execution times from 0.03125 µs (32 MHz high-speed oscillator) to 30.5 µs (32.768 kHz subsystem clock). It integrates a dedicated SNOOZE mode sequencer (SMS) enabling up to 32 low-power autonomous operations without CPU wake-up.
Its peripheral set includes 8-channel 12-bit A/D converter (26 inputs), 2-channel 8-bit D/A converter, 2 comparators with selectable internal/external reference, 16-bit timer array (TAU) with up to 16 channels, RTC with alarm and correction, and flexible serial interfaces: up to 6 UARTA (LIN-capable), 10 IICA, and 8 CSI channels - all configurable via peripheral I/O redirection register (PIOR).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time response in resource-constrained embedded systems. |
| Flash/RAM Capacity | 128 KB code flash + 8 KB data flash + 16 KB RAM; supports firmware updates with background operation and boot swapping. |
| Power Consumption | 41 µA/MHz active current; 210 nA data retention; enables multi-year battery life in always-on sensor endpoints. |
| Operating Voltage | 1.6–5.5 V single supply; eliminates need for external voltage regulators in mixed-voltage designs (e.g., 3.3 V MCU + 1.8 V sensors). |
| Temperature Range | -40°C to +105°C (industrial grade); qualified for under-hood automotive body electronics and factory automation controllers. |
| Capacitive Sensing | CTSU2L unit supporting self-capacitance (up to 32 keys) or mutual-capacitance (8×8 matrix); enables robust touch UI without external ICs. |
| Clock Sources | High-speed on-chip oscillator (±1.0% accuracy at 32 MHz), middle-speed (adjustable 1–4 MHz), and low-speed 32.768 kHz; reduces BOM cost and board space vs. crystal-based solutions. |
Pinout & Package
Package: 32-pin LQFP (7 × 7 mm, 0.80-mm pitch), lead-free, RoHS-compliant, industrial temperature grade (C-suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | A/D input / UARTA TX | Analog input channel ANI17 or TxD1 output; supports simultaneous analog monitoring and serial telemetry in sensor fusion designs. |
| P01 | A/D input / UARTA RX | Analog input channel ANI16 or RxD1 input; enables dual-role pin for compact UART debug interface with analog calibration feedback. |
| P10–P17 | Serial interface I/O | Configurable SCK00/SI00/SO00 (CSI), SDA00/SCL00 (IICA), or TxD0/RxD0 (UARTA); allows multiprotocol communication on shared pins via software reconfiguration. |
| P30 | TSCAP / RTC output | Capacitive sensing input (TSCAP) and RTC 1 Hz output (RTC1HZ); supports low-power touch wake-up with precise time-stamped event logging. |
| P50/P51 | A/D input / Serial I/O | ANI0/ANI16 analog inputs and SI11/SO11 (SAU) or SDA11 (IICA); enables synchronized analog acquisition and I²C sensor data aggregation. |
| RESET | Active-low reset input | Asynchronous reset with built-in POR and dual LVDs (LVD0/LVD1); ensures reliable startup and brown-out recovery in noisy industrial environments. |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 autonomous low-power operations (e.g., ADC sampling → compare → GPIO toggle) without CPU, flash, or RAM activation - cuts average system power by >90% in periodic sensing. |
| Event Link Controller (ELCL) | Hardware routing of 21 event signals between peripherals (e.g., timer overflow → ADC trigger → DMA transfer); eliminates CPU polling and reduces interrupt latency to sub-microsecond levels. |
| Background Operation (BGO) | Enables full CPU execution from code flash while rewriting data flash; supports over-the-air firmware updates without service interruption in field-deployed equipment. |
| Peripheral I/O Redirection (PIOR) | Dynamic remapping of up to 128 peripheral functions to alternate pins at runtime; simplifies PCB layout reuse across variants and enables late-stage design changes without mask revision. |
| Capacitive Touch Unit (CTSU2L) | Self- and mutual-capacitance modes with built-in noise cancellation; achieves >80 dB common-mode rejection in EMI-heavy factory settings without shielded cables or guard traces. |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Compact BLDC motor driver with hall-effect feedback, thermal monitoring, and CAN bus telemetry. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing PWM timers (TAU), reading 12-bit ADC (motor current, temp), and communicating via UARTA (LIN) to master node. Use Value: 41 µA/MHz active current extends runtime in fan-cooled enclosures; SNOOZE mode handles periodic temperature checks without waking CPU, reducing average power by 65%. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ in HVAC ducts. IC Role / Device Role / Timing Role: System-on-chip integrating sensor interface (IICA), ADC (temp/humidity), RTC (time-stamped logs), and low-power wireless UART bridge. Use Value: 210 nA data retention preserves 16 KB RAM state for 10+ years on coin cell; CTSU2L enables touch-activated diagnostics without mechanical buttons. |
| Human-Machine Interface | Factory Automation PLC Module |
Use Scenario: Touch-enabled control panel for packaging machinery with backlight dimming and button feedback. IC Role / Device Role / Timing Role: Capacitive touch processor (CTSU2L), PWM generator (PCLBUZ0/1) for buzzer/audio, and UARTA for HMI-to-PLC command relay. Use Value: Mutual-capacitance matrix (8×8) supports 64-key overlay with waterproof overlay; ±1.0% oscillator accuracy ensures stable PWM dimming across temperature. | Use Scenario: DIN-rail mounted I/O expansion module with digital input debouncing, analog input scaling, and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Real-time I/O manager using ELCL to chain timer → ADC → DTC → UARTA transfers, minimizing CPU load during high-speed scanning. Use Value: Dual LVDs (LVD0/LVD1) provide programmable brown-out detection at 2.7 V and 2.2 V; -40°C to +105°C rating ensures reliability in unconditioned control cabinets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GBG3CFP#AA0 | Same package and pinout; 128 KB flash, 8 KB data flash, but 24 KB RAM instead of 16 KB. | Better suited for applications requiring larger buffer space (e.g., protocol stacks with deep packet queues). | Select when additional RAM is needed without changing PCB layout or firmware abstraction layer. |
| R7F100GCF3CLA#AC0 | 36-pin WFLGA (4×4 mm), same 128 KB/16 KB memory; lacks exposed die pad and has different pin mapping. | Targeted at space-constrained designs where footprint reduction outweighs manual soldering complexity. | Choose only if board area savings justify requalification of thermal performance and assembly process. |
Compared with R7F100GBF3CFP#AA0, R7F100GBG3CFP#AA0 offers +8 KB RAM for enhanced multitasking without layout change, while R7F100GCF3CLA#AC0 reduces footprint by 44% but requires new thermal validation and eliminates LQFP reworkability - making the original part optimal for industrial designs prioritizing serviceability and thermal margin.
Availability
R7F100GBF3CFP#AA0 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, human-machine interfaces, factory automation PLC modules, and battery-powered environmental monitors requiring stable component supply across long production lifecycles.
Supply support for R7F100GBF3CFP#AA0 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 Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G23 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, energy-constrained industrial and consumer applications requiring integrated analog, capacitive touch, and flexible communication interfaces.
FAQ
What is the maximum operating frequency and clock accuracy of the R7F100GBF3CFP#AA0?
The R7F100GBF3CFP#AA0 supports a maximum high-speed on-chip oscillator frequency of 32 MHz with ±1.0% accuracy across VDD = 1.8–5.5 V and TA = -20°C to +85°C. It also provides selectable middle-speed (1–4 MHz) and low-speed (32.768 kHz) clocks for ultra-low-power operation. This eliminates external crystal requirements in most applications while maintaining timing integrity for UART and LIN communication.
Does the R7F100GBF3CFP#AA0 support in-system programming and secure firmware updates?
Yes, the R7F100GBF3CFP#AA0 supports full in-system programming via on-chip debugging interface and includes security features such as block erase prohibition and flash shield window. Its self-programming capability enables safe firmware updates with boot swapping, allowing validated new code to be written to inactive flash bank while running from the active bank - critical for zero-downtime updates in R7F100GBF3CFP#AA0-based industrial controllers.
How many analog input channels and what resolution does the A/D converter in the R7F100GBF3CFP#AA0 provide?
The R7F100GBF3CFP#AA0 integrates an 8-/10-/12-bit resolution successive approximation A/D converter with up to 26 analog input channels (ANI0–ANI25). It includes internal reference voltage (1.48 V) and on-die temperature sensor, enabling direct temperature compensation and high-accuracy sensor interfacing without external references - essential for precision measurement in R7F100GBF3CFP#AA0-based environmental monitors.
Can the R7F100GBF3CFP#AA0 operate reliably in extended temperature environments?
Yes, the R7F100GBF3CFP#AA0 is rated for industrial ambient temperature range of -40°C to +105°C (C-suffix), verified per JEDEC JESD22-A108. Its on-chip voltage detectors (LVD0/LVD1), POR circuit, and guaranteed parameter operation across this range make it suitable for under-hood automotive body modules, factory-floor PLCs, and outdoor metering equipment where thermal stress is a primary reliability concern for R7F100GBF3CFP#AA0 deployments.
What communication interfaces are available on the R7F100GBF3CFP#AA0 and how are they configured?
The R7F100GBF3CFP#AA0 provides up to 6 UARTA channels (with LIN-bus support), 10 IICA channels, and 8 CSI channels - all configurable via the Peripheral I/O Redirection Register (PIOR). This allows dynamic assignment of serial functions to multiple pin sets at runtime, enabling flexible PCB layout and protocol adaptation without hardware changes. For example, UARTA can be routed to P00/P01 or P11/P12 depending on signal routing constraints in the R7F100GBF3CFP#AA0 design.
R7F100GBF3CFP#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-LQFP
- Series:
- RL78/G23
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- Capacitive Touch, LVD, POR, PWM, WDT
- Number of I/O:
- 27
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x8/10b/12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F100GBF3CFP#AA0 FAQ
1.How can I place an order for R7F100GBF3CFP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GBF3CFP#AA0 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 R7F100GBF3CFP#AA0 reliable?
The price and inventory of R7F100GBF3CFP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GBF3CFP#AA0 is usually 5 days.
3.What payment methods are accepted for R7F100GBF3CFP#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GBF3CFP#AA0 transactions.
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R7F100GBF3CFP#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GBF3CFP#AA0 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 R7F100GBF3CFP#AA0?
For technical support, including R7F100GBF3CFP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GBF3CFP#AA0 requirements.
6.How does Aetrix verify that R7F100GBF3CFP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GBF3CFP#AA0 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 R7F100GBF3CFP#AA0 meets industry standards.
7.What is the process for return or replacement of R7F100GBF3CFP#AA0?
All R7F100GBF3CFP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GBF3CFP#AA0, 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 R7F100GBF3CFP#AA0 part is unused and in its original packaging.
Return procedure for R7F100GBF3CFP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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