Renesas R7F100GMH3CFB#AA0
- Part No.:
- R7F100GMH3CFB#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R7F100GMH3CFB#AA0.pdf
- Description:
- IC MCU 16BIT 192KB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:595
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Product details
Overview
R7F100GMH3CFB#AA0 from Renesas is an RL78/G23 80-pin ultra-low-power 16-bit MCU with 192 KB code flash, 8 KB data flash, and 20 KB RAM, operating from 1.6–5.5 V; features include 12-bit ADC (26 channels), capacitive touch sensing (up to 64 keys), RTC, and SNOOZE mode sequencer for battery-powered industrial HMI and sensor nodes.
For engineers reviewing the R7F100GMH3CFB#AA0 datasheet, R7F100GMH3CFB#AA0 pinout, R7F100GMH3CFB#AA0 application, or R7F100GMH3CFB#AA0 equivalent, key selection criteria include its 80-pin LFQFP-0.5 mm package, -40°C to +105°C industrial temperature grade, integrated CTSU2L for self/mutual capacitance sensing, and support for background data flash rewriting during program execution.
Technical Context
The R7F100GMH3CFB#AA0 implements the RL78 CPU core with a 3-stage pipeline, supporting instruction execution times from 0.03125 µs (32 MHz) to 30.5 µs (32.768 kHz), and includes a dedicated SNOOZE mode sequencer (SMS) that executes up to 32 low-power processes without CPU wake-up. It integrates a logic/event link controller (ELCL) enabling hardware-triggered peripheral chaining and supports BGO (background operation) for concurrent data flash programming and code execution.
Its power architecture includes HALT, STOP, and SNOOZE modes with verified 41 µA/MHz active current and 210 nA data retention current for 4 KB RAM; clock sources comprise high-speed (±1.0% accuracy, 1–32 MHz), middle-speed, and low-speed (32.768 kHz) on-chip oscillators, eliminating external crystal dependency in many applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Flash Memory | 192 KB code flash + 8 KB data flash; 2 KB block size, security lock, BGO supported |
| RAM | 20 KB on-chip RAM with 210 nA retention for 4 KB |
| Operating Voltage | 1.6–5.5 V single supply; supports direct interface to 1.8/2.5/3.0 V peripherals |
| ADC | 12-bit resolution, 26 analog inputs, internal 1.48 V reference and temperature sensor |
| Capacitive Sensing | CTSU2L unit supporting self-capacitance (32 keys) or mutual-capacitance (8×8 matrix, 64 keys) |
| Timers | 16-bit TAU (16 channels), 32-bit interval timer (1×32-bit, 2×16-bit, 4×8-bit), RTC with alarm/correction |
| Package & Temp | 80-pin LFQFP, 0.50 mm pitch; industrial grade (-40°C to +105°C) |
Pinout & Package
80-pin Low-Profile Quad Flat Package (LFQFP) with 0.50 mm pitch, 12 × 12 mm body, exposed thermal pad recommended to be connected to VSS. Pin functions are multiplexed via PIOR register; all pins support digital I/O, with dedicated analog, timer, communication, and capacitive sensing roles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 / P122 | XT1 / XT2 oscillator inputs | Support external crystal (32.768 kHz or 1–20 MHz); optional use of on-chip oscillators eliminates need |
| P60 / P61 | SCLA0 / SDAA0 | Dedicated I²C bus pins with slew-rate control; compatible with standard and simplified I²C protocols |
| P30 / P31 | TSCAP / TS01 | Capacitive touch sensing inputs; P30 is dedicated CTSU2L reference capacitor terminal |
| P10–P17 | SAU channels (SCK/SI/SO) | Configurable serial array unit supporting UART, CSI (SPI-like), and I²C modes across multiple pins |
| P00 / P01 | TxD1 / RxD1 | UARTA channel with LIN-bus support; enables automotive-grade communication without transceiver |
| REGC | Regulator bypass capacitor | Must connect 0.47–1 µF capacitor to VSS; critical for internal LDO stability and low-noise analog operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | Enables sub-µA system sleep with fast wakeup (<;6 µs) to resume sensor polling or comms handling |
| SNOOZE mode sequencer (SMS) | Executes 32-step sequences (e.g., ADC sampling → compare → GPIO toggle) autonomously, reducing CPU duty cycle |
| Background data flash rewrite (BGO) | Permits firmware updates or logging while application code runs from flash - no interrupt latency penalty |
| Capacitive touch sensing (CTSU2L) | Hardware-accelerated self/mutual sensing with noise immunity; eliminates host CPU overhead for touch decoding |
| Event Link Controller (ELCL) | Direct hardware routing between peripherals (e.g., ADC EOC → DMA trigger → UART TX start) without CPU intervention |
| Integrated LIN-compliant UARTA | Meets ISO 17987-4 electrical specs; supports automatic sync-break detection and checksum generation |
Applications
| Industrial HMI Panels | Smart Sensor Nodes |
|---|---|
Use Scenario: Touch-enabled operator interface on factory floor equipment with ambient temperature up to +105°C. IC Role / Device Role / Timing Role: Main controller executing UI logic, managing CTSU2L touch matrix, driving local displays via SPI, and communicating via UARTA/LIN to PLC. Use Value: 192 KB flash hosts full GUI stack; SNOOZE mode reduces average current to <;10 µA during idle touch monitoring. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and air quality in remote locations. IC Role / Device Role / Timing Role: System-on-chip integrating 12-bit ADC, RTC for scheduled sampling, and UART/I²C for sensor interfacing and BLE gateway handoff. Use Value: 210 nA RAM retention preserves calibration and state during 5-year battery life; BGO enables over-the-air parameter updates. |
| Energy Metering Subsystems | Home Appliance Control Units |
Use Scenario: Tamper-resistant electricity meter with pulse counting, LCD drive, and secure firmware updates. IC Role / Device Role / Timing Role: Primary metrology controller with isolated current/voltage sampling, real-time tariff calculation, and secure flash shield window. Use Value: Flash security prevents unauthorized reprogramming; 8 KB data flash stores lifetime kWh logs with 1M-cycle endurance. | Use Scenario: Washing machine main board requiring motor control, water level sensing, and user interface. IC Role / Device Role / Timing Role: Central MCU managing TRIAC/relay drivers, reading pressure/temperature sensors via ADC, and scanning capacitive buttons. Use Value: Integrated CTSU2L replaces discrete RC networks; controlled-current drive ports directly sink LED indicators without external resistors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GLH3CFB#AA0 | Same 80-pin LFQFP package, but 128 KB code flash, 16 KB RAM, and identical peripheral set | Lower memory footprint suits simpler control tasks; same industrial temp and power specs | Select when application firmware fits within 128 KB and requires identical pin compatibility |
| R7F100GMJ3CFB#AA0 | Same 80-pin LFQFP package, 256 KB code flash, 24 KB RAM, otherwise identical feature set | Higher memory headroom for complex protocol stacks or field-upgradable firmware images | Select when future firmware expansion or dual-bank OTA updates require >192 KB flash |
Compared with R7F100GLH3CFB#AA0 and R7F100GMJ3CFB#AA0, the R7F100GMH3CFB#AA0 provides optimal balance of memory (192 KB flash/20 KB RAM), industrial temperature range, and ultra-low-power features - making it ideal for cost-sensitive yet feature-rich embedded systems where memory scaling must align precisely with software requirements.
Availability
R7F100GMH3CFB#AA0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart sensor nodes, energy metering subsystems, and home appliance control units requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R7F100GMH3CFB#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 delivering microcontrollers, analog, power, and SoC solutions for industrial, automotive, and IoT markets.
The RL78/G23 product line delivers true low-power performance for cost-sensitive industrial and consumer devices, combining ultra-low active and standby currents with rich analog and human-interface peripherals in compact packages.
FAQ
What is the maximum operating frequency and corresponding supply voltage range for the R7F100GMH3CFB#AA0?
The R7F100GMH3CFB#AA0 supports up to 32 MHz operation using the high-speed on-chip oscillator, with guaranteed functionality across its full 1.6–5.5 V supply range. At 32 MHz, minimum instruction execution time is 0.03125 µs; the device also supports ultra-low-speed operation at 32.768 kHz for RTC and deep-sleep timing, maintaining full functionality down to 1.6 V.
Does the R7F100GMH3CFB#AA0 support hardware-based capacitive touch sensing, and what configurations are available?
Yes, the R7F100GMH3CFB#AA0 integrates the CTSU2L capacitive sensing unit supporting both self-capacitance (up to 32 independent keys) and mutual-capacitance (8×8 matrix, up to 64 keys). It operates under VDD = 1.8–5.5 V, includes built-in noise cancellation, and requires only one external reference capacitor (connected to P30/TSCAP) - no external IC or firmware-intensive algorithms needed.
How does the SNOOZE mode sequencer (SMS) in the R7F100GMH3CFB#AA0 reduce system power consumption?
The SNOOZE mode sequencer in the R7F100GMH3CFB#AA0 executes up to 32 pre-programmed steps - such as ADC conversions, comparisons, and GPIO toggles - entirely in hardware without CPU, flash, or RAM activation. This enables intermittent sensor polling or status checks at sub-µA average current, extending battery life significantly compared to periodic CPU wake-ups required by conventional MCUs.
Can the R7F100GMH3CFB#AA0 perform data flash writes while executing application code from code flash?
Yes, the R7F100GMH3CFB#AA0 supports Background Operation (BGO) for data flash, allowing the CPU to execute instructions from code flash while simultaneously rewriting data flash sectors. This enables seamless firmware parameter updates, event logging, or calibration storage without halting real-time operations - critical for uninterrupted industrial control or sensor node functionality.
What are the key differences between the R7F100GMH3CFB#AA0 and the pin-compatible R7F100GMJ3CFB#AA0?
The R7F100GMH3CFB#AA0 and R7F100GMJ3CFB#AA0 share identical 80-pin LFQFP packaging, industrial temperature rating (-40°C to +105°C), and peripheral complement. The primary difference is memory: R7F100GMH3CFB#AA0 provides 192 KB code flash and 20 KB RAM, whereas R7F100GMJ3CFB#AA0 offers 256 KB code flash and 24 KB RAM - enabling larger firmware images or dual-bank OTA update schemes without PCB redesign.
R7F100GMH3CFB#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):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 17x8/10b/12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F100GMH3CFB#AA0 FAQ
1.How can I place an order for R7F100GMH3CFB#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GMH3CFB#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 R7F100GMH3CFB#AA0 reliable?
The price and inventory of R7F100GMH3CFB#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GMH3CFB#AA0 is usually 5 days.
3.What payment methods are accepted for R7F100GMH3CFB#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GMH3CFB#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GMH3CFB#AA0?
R7F100GMH3CFB#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GMH3CFB#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 R7F100GMH3CFB#AA0?
For technical support, including R7F100GMH3CFB#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GMH3CFB#AA0 requirements.
6.How does Aetrix verify that R7F100GMH3CFB#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GMH3CFB#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 R7F100GMH3CFB#AA0 meets industry standards.
7.What is the process for return or replacement of R7F100GMH3CFB#AA0?
All R7F100GMH3CFB#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GMH3CFB#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 R7F100GMH3CFB#AA0 part is unused and in its original packaging.
Return procedure for R7F100GMH3CFB#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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