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Renesas R7F100GMG2DFA#AA0
- Part No.:
- R7F100GMG2DFA#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R7F100GMG2DFA#AA0.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:590
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Product details
Overview
R7F100GMG2DFA#AA0 from Renesas is an RL78/G23 80-pin, 128 KB code flash, 16 KB RAM ultra-low-power 16-bit MCU with 1.6–5.5 V operation, 41 µA/MHz active current, and integrated capacitive touch sensing (CTSU2L) for human-machine interface applications in consumer electronics.
For engineers reviewing the R7F100GMG2DFA#AA0 datasheet, R7F100GMG2DFA#AA0 pinout, R7F100GMG2DFA#AA0 application, or R7F100GMG2DFA#AA0 equivalent, this page delivers verified technical context, package mapping, real-world use cases, and validated alternative options for industrial-grade embedded design and volume procurement.
Technical Context
The R7F100GMG2DFA#AA0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 µs at 32 MHz high-speed mode or 30.5 µs at 32.768 kHz ultra-low-speed mode). It integrates a SNOOZE mode sequencer (SMS) supporting 32 sequential low-power operations without CPU wake-up.
Peripheral integration includes 16-bit TAU timers (up to 16 channels), 8–26-channel 8/10/12-bit ADC with internal 1.48 V reference and temperature sensor, dual 8-bit DAC outputs, two comparators with selectable internal/external reference, and up to 10 I²C/Simplified I²C channels - all operating across -40°C to +85°C ambient range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and variable instruction timing |
| Operating Voltage | 1.6–5.5 V - supports direct battery operation (e.g., 2×AA, Li-ion, or USB-powered systems) |
| Power Consumption | 41 µA/MHz active current; 210 nA data retention for 4 KB RAM - enables multi-year battery life in sleep-dominated applications |
| Memory | 128 KB code flash (2 KB block size), 8 KB data flash (1M rewrite cycles), 16 KB RAM |
| Capacitive Sensing | CTSU2L unit supporting self-capacitance (up to 32 keys) or mutual capacitance (8×8 matrix, up to 64 keys) |
| Timers & RTC | 16-bit timer array (TAU) with 16 channels; 32-bit interval timer; full-featured RTC with alarm, calendar (1 sec–99 years), and clock correction |
| Analog Peripherals | 8/10/12-bit ADC (26 channels max, internal 1.48 V ref, temp sensor); dual 8-bit DAC (0–VDD output); 2 comparators with internal/external reference selection |
Pinout & Package
Package: 80-pin LQFP (14 × 14 mm, 0.65-mm pitch), RoHS-compliant, consumer-grade (-40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 | X1/XT1/VBAT/EI121 | Primary crystal oscillator input; also accepts backup battery voltage (VBAT) for RTC retention during main power loss |
| P122 | X2/EXCLK/EI122 | Crystal oscillator output or external clock input; enables precise timing source for real-time control loops |
| P30 | TSCAP/RTC1HZ/EI30 | Dedicated capacitive sensing input with built-in charge/discharge circuitry; also provides 1 Hz RTC output for low-power wake-up scheduling |
| P60–P61 | SCLA0/SDAA0 | I²C bus interface pins - support standard/fast-mode communication with sensors, EEPROMs, or PMICs |
| P10–P12 | SCK00/SI00/SO00 | Full-duplex SPI-compatible serial interface (SAU channel 0) for display drivers or secure element interfacing |
| P00–P01 | TxD1/RxD1 | UARTA channel 1 - supports LIN-bus physical layer compliance for automotive body electronics or appliance control networks |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 pre-programmed low-power operations (ADC sampling, comparison, GPIO toggle) without CPU, RAM, or flash activation - reduces average system current by >90% vs. polling |
| Background Data Flash Programming | Enables BGO (background operation): CPU executes code from program memory while rewriting 8 KB data flash - critical for firmware-over-the-air (FOTA) updates without service interruption |
| Capacitive Touch Sensing Unit (CTSU2L) | Hardware-accelerated touch detection with noise immunity algorithms; supports both self- and mutual-capacitance modes on shared pins - eliminates need for external touch controller IC |
| ELCL Event Link Controller | Configurable logic routing between peripherals (e.g., trigger ADC conversion on timer match, or assert interrupt on comparator output) - removes software overhead and improves deterministic response |
| Low-Voltage Detection (LVD0/LVD1) | Dual independent voltage detectors with programmable thresholds - enables safe brown-out recovery and graceful shutdown before supply collapse |
Applications
| Smart Home Thermostat | Wireless Sensor Node |
|---|---|
|
Use Scenario: Battery-powered wall-mounted thermostat with touch interface, ambient temperature/humidity sensing, and BLE/Wi-Fi connectivity. IC Role / Device Role / Timing Role: Main system controller managing capacitive touch UI, 12-bit ADC readings from analog sensors, RTC-based scheduling, and UART-to-BLE bridge. Use Value: 210 nA RAM retention extends 2×AA battery life beyond 5 years; CTSU2L enables bezel-free glass front panel; SMS handles periodic sensor reads autonomously. |
Use Scenario: Self-powered environmental monitor deployed in remote locations, collecting temperature, humidity, and motion data every 10 minutes. IC Role / Device Role / Timing Role: Ultra-low-power data acquisition engine using SNOOZE mode to wake, sample ADC, process via DMA, transmit via UART, then return to STOP mode. Use Value: 41 µA/MHz active current and STOP-mode wakeup in <1 µs minimize energy per measurement cycle; integrated 8 KB data flash stores logs locally during comms outages. |
| Appliance Control Panel | Industrial HMI Module |
|
Use Scenario: Front-panel controller for washing machine with water-level sensing, motor control feedback, LED indicators, and rotary encoder input. IC Role / Device Role / Timing Role: Real-time peripheral coordinator handling PWM for LEDs, 10-bit ADC for pressure transducer, UART for main MCU communication, and key interrupt for encoder pulses. Use Value: Dual DAC outputs drive analog meters or audio feedback; controlled-current drive ports directly sink LED loads; ELCL links timer events to ADC triggers for synchronized sampling. |
Use Scenario: DIN-rail mounted HMI module with 4.3″ TFT display, RS-485 Modbus interface, and local push-button navigation. IC Role / Device Role / Timing Role: Secondary controller managing display backlight PWM, capacitive touch overlay, RS-485 transceiver enable, and watchdog supervision of primary processor. Use Value: 80-pin LQFP provides ample GPIO for parallel RGB interface and touch digitizer; 16 KB RAM buffers frame data; LIN-capable UARTA supports diagnostics over vehicle bus. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit ultra-low-power MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GLG2DFA#AA0 | 64-pin LQFP, 128 KB flash, 16 KB RAM - identical core/peripherals but fewer GPIO and no CTSU2L support | Lacks capacitive touch capability; suitable for non-touch control panels or sensor nodes with minimal I/O count | Select when pin count and CTSU2L are unnecessary - reduces PCB area and BOM cost without sacrificing core functionality |
| R7F100GMH2DFA#AA0 | Same 80-pin LQFP package, but 192 KB flash and 20 KB RAM - higher memory variant within same family | Enables larger firmware (e.g., embedded web server, advanced encryption, or OTA update stack) without changing layout | Choose for future-proofing or applications requiring >128 KB code space - drop-in compatible with identical pinout and thermal profile |
Compared with R7F100GLG2DFA#AA0, the R7F100GMG2DFA#AA0 adds 16 extra pins and full CTSU2L support for touch interfaces; compared with R7F100GMH2DFA#AA0, it trades 64 KB flash and 4 KB RAM for lower unit cost while retaining identical peripheral set and package footprint.
Availability
R7F100GMG2DFA#AA0 is available at Aetrix Electronics and suitable for smart home thermostats, wireless sensor nodes, and appliance control panels requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R7F100GMG2DFA#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 delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, infrastructure, and IoT markets.
The RL78/G23 product line targets cost-sensitive, ultra-low-power embedded applications demanding rich analog integration, capacitive touch, and robust real-time performance - designed specifically for consumer electronics and industrial HMI where battery life and BOM simplification are critical.
FAQ
What is the maximum operating frequency and corresponding supply voltage range for the R7F100GMG2DFA#AA0?
The R7F100GMG2DFA#AA0 operates up to 32 MHz using its high-speed on-chip oscillator, with guaranteed functionality across its full 1.6–5.5 V VDD range. At 32 MHz, minimum instruction execution time is 0.03125 µs. The device maintains full peripheral operation-including ADC, timers, and communications interfaces-at all supported voltages and frequencies.
Does the R7F100GMG2DFA#AA0 support hardware-based capacitive touch sensing, and what configurations are available?
Yes, the R7F100GMG2DFA#AA0 integrates the CTSU2L (Capacitive Touch Sensing Unit Level 2) supporting both self-capacitance (up to 32 keys on single pins) and mutual capacitance (8×8 matrix, up to 64 keys). It operates under VDD = 1.8–5.5 V and includes built-in noise cancellation, auto-calibration, and low-power scanning modes - eliminating need for external touch controller ICs.
How many serial communication interfaces does the R7F100GMG2DFA#AA0 include, and which protocols are supported?
The R7F100GMG2DFA#AA0 includes up to 10 total serial interfaces: 4–10 channels of I²C/Simplified I²C, 3–6 channels of UART/UARTA (with LIN-bus physical layer support), and 3–8 channels of Simplified SPI (CSI). All are implemented in the Serial Array Unit (SAU) and Serial Interface (SIO) modules, enabling concurrent multi-protocol communication without resource conflict.
What is the data flash endurance and background operation capability of the R7F100GMG2DFA#AA0?
The R7F100GMG2DFA#AA0 features 8 KB of data flash rated for 1,000,000 write/erase cycles (typical). It supports Background Operation (BGO), allowing the CPU to execute instructions from code flash while simultaneously rewriting data flash - essential for reliable firmware updates, parameter storage, and logging in mission-critical applications.
Is the R7F100GMG2DFA#AA0 pin-compatible with other RL78/G23 variants in the same package, and what are the key compatibility constraints?
Yes, the R7F100GMG2DFA#AA0 is pin-compatible with all other 80-pin LQFP RL78/G23 variants (e.g., R7F100GMH2DFA#AA0, R7F100GML2DFA#AA0) sharing the same FB/FA package code. Memory size, peripheral enablement (e.g., CTSU2L), and some pin functions may differ - always verify function mapping in the specific variant's pin function table before layout reuse.
R7F100GMG2DFA#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-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:
- 70
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 17x8/10b/12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F100GMG2DFA#AA0 FAQ
1.How can I place an order for R7F100GMG2DFA#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GMG2DFA#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 R7F100GMG2DFA#AA0 reliable?
The price and inventory of R7F100GMG2DFA#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GMG2DFA#AA0 is usually 5 days.
3.What payment methods are accepted for R7F100GMG2DFA#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GMG2DFA#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GMG2DFA#AA0?
R7F100GMG2DFA#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GMG2DFA#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 R7F100GMG2DFA#AA0?
For technical support, including R7F100GMG2DFA#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GMG2DFA#AA0 requirements.
6.How does Aetrix verify that R7F100GMG2DFA#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GMG2DFA#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 R7F100GMG2DFA#AA0 meets industry standards.
7.What is the process for return or replacement of R7F100GMG2DFA#AA0?
All R7F100GMG2DFA#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GMG2DFA#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 R7F100GMG2DFA#AA0 part is unused and in its original packaging.
Return procedure for R7F100GMG2DFA#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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