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Renesas R7F100GMH2DFA#AA0
- Part No.:
- R7F100GMH2DFA#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R7F100GMH2DFA#AA0.pdf
- Description:
- IC MCU 16BIT 192KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:630
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Product details
Overview
R7F100GMH2DFA#AA0 from Renesas is an RL78/G23 80-pin, 192-KB code flash, 20-KB RAM ultra-low-power 16-bit MCU operating from 1.6 to 5.5 V, featuring 26-channel 12-bit ADC, capacitive touch sensing (up to 64 keys), and integrated RTC - deployed in battery-powered home appliance control panels requiring <210-nA data retention current.
For engineers reviewing the R7F100GMH2DFA#AA0 datasheet, R7F100GMH2DFA#AA0 pinout, R7F100GMH2DFA#AA0 application, or R7F100GMH2DFA#AA0 equivalent, key selection criteria include STOP-mode wakeup latency, CTSU2L mutual-capacitance channel count, 12-bit ADC linearity over -40°C to +85°C, and UARTA/LIN support for sensor node communication.
Technical Context
The R7F100GMH2DFA#AA0 implements the RL78 CPU core with 3-stage pipeline and configurable instruction timing (0.03125 µs min @32 MHz / 30.5 µs @32.768 kHz), enabling dynamic power/performance scaling across active and ultra-low-power states. Its SNOOZE mode sequencer executes up to 32 preloaded commands without CPU or RAM activation, reducing system-level wake-up overhead.
Peripheral integration includes a Logic and Event Link Controller (ELCL) for hardware-triggered signal routing between timers, ADC, and communications interfaces, plus dual-voltage I/O (1.8/2.5/3.0 V compatible) supporting mixed-voltage subsystem interfacing without level shifters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and multiply/divide/accumulate instructions |
| Flash / RAM | 192 KB code flash (2-KB blocks) + 8 KB data flash + 20 KB SRAM - supports background rewriting and flash shield window security |
| Power Consumption | 41 µA/MHz active current; 210 nA data retention current with 4 KB RAM retained - enables multi-year coin-cell operation |
| Analog Peripherals | 26-channel 12-bit ADC (±1 LSB INL), 2-channel 8-bit DAC (0–VDD output), 2-channel comparator with selectable internal/external reference |
| Capacitive Sensing | CTSU2L unit supporting self-capacitance (32 keys) or mutual-capacitance (8×8 matrix = 64 keys) at VDD = 1.8–5.5 V |
| Timers & RTC | 16-bit timer array (12 channels), 32-bit interval timer (1×32-bit + 2×16-bit + 4×8-bit modes), RTC with alarm, calendar (1 sec–99 years), and clock correction |
| Communications | UARTA (3 channels, LIN-bus compliant), IICA (4 channels), CSI (3 channels), REMC (1 channel), SAU (6 channels) |
Pinout & Package
Package: 80-pin LQFP (14 × 14 mm, 0.65-mm pitch), consumer-grade (D suffix), operating temperature range −40°C to +85°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P01 | Analog input / UARTA TX/RX | Support TS26/TS27 touch sense inputs and TxD1/RxD1 serial interface simultaneously via register configuration |
| P10–P17 | SAU/CSI/IICA/SIO ports | Configurable as SCK00/SI00/SO00 (SPI), SDA00/SCL00 (I²C), or RxD0/TxD0 (UARTA) - no external pull-ups required |
| P20–P25 | Analog input / CTSU2L electrodes | ANI0–ANI5 pins serve as analog inputs or mutual-capacitance TX/RX nodes - enable 6-key linear slider or 64-key matrix |
| P30–P31 | RTC clock / touch sense / buzzer | P30 provides RTC1HZ output and TSCAP for CTSU2L; P31 supports TI03/TO03 timer and PCLBUZ0 buzzer drive |
| P60–P62 | IICA SCL/SDA / CTSU2L CCD | P60/P61 are dedicated SCLA0/SDAA0; P62 is CCD06 - all support CTSU2L mutual-capacitance scanning |
| RESET, REGC, VDD, VSS | Power/reset management | REGC requires 0.47–1 µF capacitor to VSS; RESET is Schmitt-triggered with POR and dual LVD (LVD0/LVD1) monitoring |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes 32-step command sequences (e.g., ADC sampling → compare → GPIO toggle) autonomously - eliminates CPU wake-up for periodic sensor polling |
| Capacitive Touch Unit (CTSU2L) | Hardware-accelerated mutual-capacitance scanning with noise immunity - achieves >60 dB common-mode rejection without firmware filtering |
| Data Flash Background Operation | 1,000,000 write cycles with BGO enabled - allows logging of runtime parameters while executing application code from main flash |
| ELCL Event Routing | Direct hardware linkage between peripherals (e.g., TAU overflow triggers ADC conversion) - removes interrupt latency and CPU overhead |
| Multi-Voltage I/O | Ports tolerate 1.8 V, 2.5 V, or 3.0 V logic levels when VDD = 1.6–5.5 V - simplifies interface to legacy sensors and displays |
Applications
| Smart Thermostat Interface | Wireless Sensor Node MCU |
|---|---|
Use Scenario: Residential HVAC control panel with 5-button capacitive keypad, ambient temperature/humidity sensing, and Zigbee radio interface. IC Role / Device Role / Timing Role: Primary system controller managing touch UI, ADC acquisition, RTC-scheduled fan cycles, and UART-driven radio co-processor. Use Value: 210-nA data retention extends battery life beyond 5 years; CTSU2L mutual-capacitance rejects EMI from nearby AC motors. | Use Scenario: Battery-powered industrial vibration monitor with MEMS accelerometer, BLE SoC, and local event-triggered logging. IC Role / Device Role / Timing Role: Sensor aggregator using ELCL to route accelerometer FIFO full signal directly to TAU for timestamping, then trigger DMA to data flash. Use Value: SMS-driven low-power state machine samples every 10 s without waking CPU - reduces average current to 1.8 µA. |
| Appliance Control Board | Home Security Keypad |
Use Scenario: Washing machine main board requiring motor phase control, water level ADC, door lock driver, and buzzer feedback. IC Role / Device Role / Timing Role: Real-time motor timing via TAU PWM outputs, 12-bit ADC for pressure transducer, and PCLBUZ0 for audible alerts. Use Value: Controlled-current drive ports directly sink 20 mA for solenoid drivers; 12-bit ADC linearity ensures ±0.5% fill-level accuracy. | Use Scenario: Entry keypad with 12-key capacitive matrix, tamper detection, and encrypted RF transmission to hub. IC Role / Device Role / Timing Role: CTSU2L scans 12-key grid; RTC triggers daily self-test; UARTA communicates encrypted codes to RF module. Use Value: Mutual-capacitance topology maintains key recognition under wet-finger conditions; flash shield window prevents firmware extraction. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GLH2DFA#AA0 | 64-pin LQFP, 128 KB flash, 16 KB RAM, same peripheral set but fewer I/O (48 vs. 64) and no P7x touch sense pins | Suitable for space-constrained designs with ≤48 GPIO and no extended CTSU2L electrode count | Select when PCB area is limited and mutual-capacitance matrix exceeds 32 keys is unnecessary |
| R7F100GMJ2DFA#AA0 | Same 80-pin package and CTSU2L, but 256 KB flash and 24 KB RAM - identical pinout and voltage specs | Required for firmware with larger bootloader, OTA update partition, or extended calibration tables | Choose when future firmware growth or field-upgrade capability mandates >192 KB code storage |
Compared with R7F100GLH2DFA#AA0, the R7F100GMH2DFA#AA0 delivers 64 GPIO and full CTSU2L electrode support for larger touch interfaces; versus R7F100GMJ2DFA#AA0, it trades 64 KB flash and 4 KB RAM for lower cost and reduced power in fixed-function deployments.
Availability
R7F100GMH2DFA#AA0 is available at Aetrix Electronics and suitable for smart thermostat interfaces, wireless sensor nodes, appliance control boards, and home security keypads requiring stable component supply and long-term industrial availability.
Supply support for R7F100GMH2DFA#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, and IoT markets.
The RL78/G23 product line targets ultra-low-power embedded control applications demanding high integration, robust capacitive touch, and long battery life - optimized for cost-sensitive consumer and industrial edge devices.
FAQ
What is the maximum operating frequency and minimum instruction cycle time for the R7F100GMH2DFA#AA0?
The R7F100GMH2DFA#AA0 supports up to 32 MHz operation using the high-speed on-chip oscillator, achieving a minimum instruction execution time of 0.03125 µs. At 32.768 kHz (subsystem clock), the minimum cycle expands to 30.5 µs - enabling dynamic clock scaling between performance and ultra-low-power modes within the same R7F100GMH2DFA#AA0 device.
Does the R7F100GMH2DFA#AA0 support LIN bus communication, and which peripheral handles it?
Yes, the R7F100GMH2DFA#AA0 supports LIN bus communication via its UARTA peripheral, which is explicitly LIN-bus compliant per the RL78/G23 datasheet. UARTA Channel 0–2 provide dedicated LIN functionality including automatic sync field detection, checksum generation, and break detection - all implemented in hardware without CPU intervention during R7F100GMH2DFA#AA0 LIN frame processing.
How many capacitive touch channels does the R7F100GMH2DFA#AA0 support in mutual-capacitance mode?
The R7F100GMH2DFA#AA0 supports up to 64 capacitive touch keys in mutual-capacitance mode using its CTSU2L unit with an 8×8 electrode matrix configuration. This requires dedicated CTSU2L pins (e.g., P20–P25, P60–P62, P70–P73) assigned as TX/RX pairs - confirmed in the R7F100GMH2DFA#AA0 pin function table for 80-pin LQFP packages.
What is the data flash endurance specification for the R7F100GMH2DFA#AA0, and does it support background operation?
The R7F100GMH2DFA#AA0 features 8 KB of data flash rated for 1,000,000 write/erase cycles (typical) and supports Background Operation (BGO), allowing program memory execution while data flash is being rewritten. This enables seamless parameter logging, calibration updates, or firmware patching without halting the R7F100GMH2DFA#AA0 application - critical for always-on edge devices.
Which power modes does the R7F100GMH2DFA#AA0 support, and what is the lowest current draw achievable?
The R7F100GMH2DFA#AA0 supports HALT, STOP, and SNOOZE modes. In STOP mode with 4 KB RAM retention, it draws 210 nA (typical); in HALT mode, current drops to 0.32 µA (typical). The SNOOZE mode sequencer further reduces effective power by offloading periodic tasks - making the R7F100GMH2DFA#AA0 suitable for multi-year battery operation in metering and sensor applications.
R7F100GMH2DFA#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:
- 192KB (192K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 20K 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:
R7F100GMH2DFA#AA0 FAQ
1.How can I place an order for R7F100GMH2DFA#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GMH2DFA#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 R7F100GMH2DFA#AA0 reliable?
The price and inventory of R7F100GMH2DFA#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GMH2DFA#AA0 is usually 5 days.
3.What payment methods are accepted for R7F100GMH2DFA#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GMH2DFA#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GMH2DFA#AA0?
R7F100GMH2DFA#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GMH2DFA#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 R7F100GMH2DFA#AA0?
For technical support, including R7F100GMH2DFA#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GMH2DFA#AA0 requirements.
6.How does Aetrix verify that R7F100GMH2DFA#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GMH2DFA#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 R7F100GMH2DFA#AA0 meets industry standards.
7.What is the process for return or replacement of R7F100GMH2DFA#AA0?
All R7F100GMH2DFA#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GMH2DFA#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 R7F100GMH2DFA#AA0 part is unused and in its original packaging.
Return procedure for R7F100GMH2DFA#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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