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Renesas R7F100GFJ2DFP#AA0
- Part No.:
- R7F100GFJ2DFP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R7F100GFJ2DFP#AA0.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,600
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Product details
Overview
R7F100GFJ2DFP#AA0 from Renesas is a 44-pin LQFP-packaged RL78/G23 16-bit MCU with 256 KB code flash, 8 KB data flash, and 24 KB RAM, operating from 1.6–5.5 V. It delivers true low-power operation (41 µA/MHz active, 210 nA data retention), integrated capacitive touch sensing (CTSU2L), 12-bit ADC (26 channels), dual 8-bit DACs, RTC, and multiple serial interfaces including UARTA (up to 6 channels), IICA (up to 10 channels), and CSI (up to 8 channels) - deployed in industrial human-machine interface modules requiring robust touch control and sensor fusion.
For engineers reviewing the R7F100GFJ2DFP#AA0 datasheet, R7F100GFJ2DFP#AA0 pinout, R7F100GFJ2DFP#AA0 application, or R7F100GFJ2DFP#AA0 equivalent, key selection criteria include its 44-pin LQFP-0.8 mm pitch package, -40°C to +85°C consumer-grade temperature range, 256 KB flash/24 KB RAM memory configuration, CTSU2L capacitive sensing support, and SNOOZE mode sequencer for ultra-low-power periodic wake-up without CPU involvement.
Technical Context
The RL78/G23 core implements a 3-stage pipeline CISC architecture with configurable instruction timing: 0.03125 µs min at 32 MHz (high-speed on-chip oscillator ±1.0% accuracy) or 30.5 µs at 32.768 kHz (subsystem clock). It supports multiply/divide/MAC instructions and 1 MB address space.
Peripheral integration includes a 32-bit interval timer (1×32-bit, 2×16-bit, 4×8-bit modes), real-time clock with alarm/correction, watchdog timer, logic/event link controller (ELCL) for hardware event chaining, and SNOOZE mode sequencer capable of executing 32 programmable commands (e.g., ADC sampling, comparison, GPIO toggle) autonomously while CPU, flash, and RAM remain powered down.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic timing and compact code density for resource-constrained embedded control. |
| Operating Voltage | 1.6–5.5 V single supply; supports direct interfacing with 1.8 V, 2.5 V, and 3.3 V peripherals without level shifters. |
| Flash/RAM | 256 KB code flash + 8 KB data flash + 24 KB RAM; sufficient for complex HMI firmware with background data logging and OTA update staging. |
| Power Consumption | 41 µA/MHz active current; 210 nA data retention (4 KB RAM); enables battery-powered operation for >10 years in sleep-dominated use cases. |
| Analog Peripherals | 12-bit ADC (26 channels, internal 1.48 V reference, temp sensor); dual 8-bit DACs (0–VDD output); 2-channel comparator with selectable internal/external reference. |
| Capacitive Sensing | CTSU2L unit supporting self-capacitance (up to 32 keys) or mutual capacitance (8×8 matrix, up to 64 keys); operates at VDD = 1.8–5.5 V with noise immunity tuning. |
| Serial Interfaces | UARTA (6 channels, LIN support), IICA (10 channels, simplified I²C), CSI (8 channels, SPI-compatible); enables multi-sensor connectivity and automotive-grade diagnostics. |
Pinout & Package
Package: 44-pin plastic LQFP (10 × 10 mm, 0.80-mm pitch), tray packaging (#AA0), consumer-grade (-40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | ANI17 / TI00 / TxD1 | 10-bit ADC input channel 17; timer input capture; UARTA channel 1 transmit - enables analog monitoring with time-stamped serial telemetry. |
| P01 | ANI16 / TO00 / RxD1 | 10-bit ADC input channel 16; timer output compare; UARTA channel 1 receive - supports synchronized sensor readout and command-response protocol. |
| P10–P17 | SCK00/SI00/SO00 to SCK20/SI20/SO20 | Dedicated serial peripheral pins for three SAU channels; allows concurrent SPI/I²C/UART operation without software bit-banging overhead. |
| P20–P23 | ANI0–ANI3 / AVREFP/AVREFM / TS20–TS21 | Analog voltage reference inputs and touch sense channels; enables high-accuracy ADC measurements and robust capacitive touch detection on same pins. |
| P30 | TSCAP / RTC1HZ / EI30 | Capacitive touch scan capacitor terminal; real-time clock 1 Hz output; external interrupt input - integrates timing, touch, and event triggering in one pin. |
| P60–P61 | SCLA0 / SDAA0 | IICA channel 0 serial clock and data lines; supports standard/fast-mode I²C communication with EEPROMs, sensors, or displays. |
| RESET | Active-low reset input | Asynchronous reset with built-in power-on-reset (POR) and dual voltage detectors (LVD0/LVD1); ensures reliable boot under brown-out conditions. |
| VDD / VSS | Power supply / Ground | Single 1.6–5.5 V supply; REGC pin requires 0.47–1 µF capacitor to VSS for stable internal regulator operation. |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 autonomous operations (ADC sampling, register comparison, GPIO toggle) without CPU wake-up - reduces average system power by >90% in polling-based sensor applications. |
| Capacitive Touch Unit (CTSU2L) | Supports both self- and mutual-capacitance topologies; configurable scan speed and noise rejection; eliminates need for external touch controller IC in HMI designs. |
| Data Flash with Background Operation | 8 KB data flash supports 1,000,000 write cycles and background rewriting (BGO); enables non-volatile parameter storage and field firmware updates without halting application execution. |
| Event Link Controller (ELCL) | Hardware routing of peripheral events (e.g., ADC end-of-conversion → DMA trigger → UART transmit start); removes CPU latency and ISR overhead in real-time signal chains. |
| Multi-Speed On-Chip Oscillators | High-speed (32 MHz ±1.0%), middle-speed (4/2/1 MHz adjustable), and low-speed (32.768 kHz adjustable) oscillators; eliminates external crystals in cost-sensitive designs while maintaining RTC accuracy. |
Applications
| Industrial HMI Panels | Smart Home Sensor Nodes |
|---|---|
|
Use Scenario: Wall-mounted touch display controlling HVAC, lighting, and security functions in commercial buildings. IC Role / Device Role / Timing Role: Main application MCU managing capacitive touch UI, local sensor fusion (temp/humidity/occupancy), and RS-485 Modbus gateway. Use Value: CTSU2L enables reliable touch operation across temperature ranges; SNOOZE mode extends battery life in wireless variants; 256 KB flash accommodates multi-language GUI assets. |
Use Scenario: Battery-powered motion + ambient light + temperature node reporting to Zigbee or Matter gateway. IC Role / Device Role / Timing Role: System-on-chip sensor aggregator with ultra-low-power wake-up, analog conditioning, and encrypted BLE advertisement packet generation. Use Value: 210 nA data retention preserves configuration during 5-year battery life; 12-bit ADC resolves sub-degree temperature changes; integrated DAC drives analog light dimming circuits. |
| White Goods Control Boards | Medical Patient Monitors |
|
Use Scenario: Washing machine main control board managing motor drive, water level sensing, and user interface. IC Role / Device Role / Timing Role: Real-time motor timing controller with ADC-based current sensing, touch keypad interface, and fault-safe watchdog supervision. Use Value: TAU timers deliver precise PWM for BLDC motor commutation; ELCL links ADC conversion completion directly to DMA transfer, minimizing jitter in current loop sampling. |
Use Scenario: Portable pulse oximeter with OLED display, photodiode front-end, and USB-C charging/data interface. IC Role / Device Role / Timing Role: Signal acquisition MCU performing synchronous LED drive, analog front-end amplification, and real-time SpO₂ calculation. Use Value: Dual 8-bit DACs generate precise LED drive currents; RTC with correction maintains accurate time-stamping for clinical data logs; 44-pin LQFP fits compact PCB layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GFJ3CFP#AA0 | Same 44-pin LQFP package and 256 KB/24 KB memory, but industrial-grade (-40°C to +105°C) and packaged in tray (#AA0) with different ordering suffix (3C vs 2D). | Targeted for industrial environments requiring extended temperature operation; not qualified for consumer-grade cost-sensitive designs. | Select R7F100GFJ3CFP#AA0 when operating ambient exceeds +85°C or industrial qualification (e.g., AEC-Q100 derivative requirements) is mandated. |
| R7F100GFK2DFP#AA0 | 44-pin LQFP variant with 384 KB flash, 32 KB RAM, and identical peripheral set; shares same pinout and electrical characteristics. | Provides headroom for future firmware expansion, secure boot, or larger GUI assets; higher memory density increases unit cost. | Choose R7F100GFK2DFP#AA0 when firmware complexity exceeds 256 KB or long-term feature scalability is required without PCB redesign. |
Compared with R7F100GFJ2DFP#AA0, R7F100GFJ3CFP#AA0 trades consumer-grade cost for extended temperature resilience, while R7F100GFK2DFP#AA0 retains identical form-factor and interface compatibility but doubles flash/RAM capacity - enabling seamless migration paths for thermal or functional scaling without layout change.
Availability
R7F100GFJ2DFP#AA0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart home sensor nodes, white goods control boards, medical patient monitors, and battery-powered IoT edge devices requiring stable component supply and long-term lifecycle support.
Supply support for R7F100GFJ2DFP#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 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 ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and touch-enabled embedded systems - combining advanced capacitive sensing, intelligent low-power modes, and rich analog integration in compact packages.
FAQ
What is the maximum operating frequency and accuracy of the on-chip oscillator in R7F100GFJ2DFP#AA0?
The R7F100GFJ2DFP#AA0 features a high-speed on-chip oscillator selectable up to 32 MHz with ±1.0% accuracy across VDD = 1.8–5.5 V and TA = -20°C to +85°C. This eliminates the need for an external crystal in many applications while maintaining timing integrity for UART, ADC sampling, and real-time control loops within the R7F100GFJ2DFP#AA0's specified operating range.
Does R7F100GFJ2DFP#AA0 support capacitive touch sensing, and what configurations are available?
Yes, R7F100GFJ2DFP#AA0 integrates the CTSU2L capacitive sensing unit supporting both self-capacitance (up to 32 keys on single pins) and mutual capacitance (8×8 matrix, up to 64 keys) configurations. It operates across VDD = 1.8–5.5 V and includes hardware noise cancellation, making it suitable for ruggedized touch panels and proximity-sensing applications without external components in the R7F100GFJ2DFP#AA0 design.
What are the memory resources allocated to R7F100GFJ2DFP#AA0, and how is data flash utilized?
R7F100GFJ2DFP#AA0 provides 256 KB of code flash, 8 KB of data flash, and 24 KB of RAM. The data flash supports background operation (BGO), allowing program execution from code flash while rewriting data flash - essential for storing calibration data, device settings, or firmware update images. Its 1,000,000-cycle endurance rating ensures reliability in field-updatable R7F100GFJ2DFP#AA0 deployments.
How does the SNOOZE mode sequencer (SMS) function in R7F100GFJ2DFP#AA0, and what tasks can it perform autonomously?
The SNOOZE mode sequencer in R7F100GFJ2DFP#AA0 executes up to 32 pre-programmed commands - including ADC conversions, register comparisons, GPIO toggles, and timer starts - without waking the CPU, flash, or RAM. This enables ultra-low-power periodic sensor polling, threshold monitoring, or status checking in R7F100GFJ2DFP#AA0-based battery devices, reducing average current to near-data-retention levels.
Which serial communication interfaces are supported by R7F100GFJ2DFP#AA0, and how many channels are available?
R7F100GFJ2DFP#AA0 supports UARTA (up to 6 channels, with LIN bus compliance), IICA (up to 10 channels, simplified I²C), and CSI (up to 8 channels, SPI-compatible). These interfaces operate concurrently and are mapped to dedicated pins in the 44-pin LQFP package, enabling simultaneous connectivity to displays, sensors, EEPROMs, and wireless modules in R7F100GFJ2DFP#AA0-based systems.
R7F100GFJ2DFP#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-LQFP
- Series:
- RL78/G23
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- Not Verified
- 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:
- 37
- Program Memory Size:
- 256KB (256K 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/12b; D/A 2x8b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F100GFJ2DFP#AA0 FAQ
1.How can I place an order for R7F100GFJ2DFP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GFJ2DFP#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 R7F100GFJ2DFP#AA0 reliable?
The price and inventory of R7F100GFJ2DFP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GFJ2DFP#AA0 is usually 5 days.
3.What payment methods are accepted for R7F100GFJ2DFP#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GFJ2DFP#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GFJ2DFP#AA0?
R7F100GFJ2DFP#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GFJ2DFP#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 R7F100GFJ2DFP#AA0?
For technical support, including R7F100GFJ2DFP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GFJ2DFP#AA0 requirements.
6.How does Aetrix verify that R7F100GFJ2DFP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GFJ2DFP#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 R7F100GFJ2DFP#AA0 meets industry standards.
7.What is the process for return or replacement of R7F100GFJ2DFP#AA0?
All R7F100GFJ2DFP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GFJ2DFP#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 R7F100GFJ2DFP#AA0 part is unused and in its original packaging.
Return procedure for R7F100GFJ2DFP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7F100GFJ2DFP#AA0 Tags
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