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Renesas R7F100GMH3CFA#HA0
- Part No.:
- R7F100GMH3CFA#HA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R7F100GMH3CFA#HA0.pdf
- Description:
- IC MCU 16BIT 192KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
R7F100GMH3CFA#HA0 from Renesas is an RL78/G23 80-pin industrial-grade 16-bit MCU with 192 KB code flash, 8 KB data flash, 20 KB RAM, 1.6–5.5 V operation, and capacitive touch support-designed for low-power sensor hubs and industrial HMI control panels.
For engineers reviewing the R7F100GMH3CFA#HA0 datasheet, R7F100GMH3CFA#HA0 pinout, R7F100GMH3CFA#HA0 application, or R7F100GMH3CFA#HA0 equivalent, key selection criteria include STOP-mode wakeup time (≤3.5 µs), CTSU2L capacitive sensing channel count (up to 64 keys), and UARTA/LIN support for automotive body electronics integration.
Technical Context
The R7F100GMH3CFA#HA0 implements the RL78 CPU core with 3-stage pipeline, configurable instruction timing (0.03125 µs at 32 MHz / 30.5 µs at 32.768 kHz), and hardware multiply/divide/accumulate instructions. It integrates a SNOOZE mode sequencer (SMS) supporting 32 sequential low-power operations without CPU wake-up.
Peripheral integration includes 16-bit TAU timers (12 channels), RTC with alarm/correction, 12-bit ADC (26 channels), dual 8-bit DACs, two comparators with selectable reference sources, and ELCL for event-driven peripheral linking-enabling deterministic real-time response in battery-powered edge nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Flash Memory | 192 KB code flash + 8 KB data flash with background rewrite (BGO) and 1M-cycle endurance |
| RAM | 20 KB on-chip RAM with 210-nA data retention current |
| Operating Voltage | 1.6–5.5 V single supply-supports direct interface with 1.8/2.5/3.3 V peripherals |
| Power Modes | HALT (41 µA/MHz), STOP (0.21 µA), SNOOZE (sub-µA active sensing) |
| Capacitive Sensing | CTSU2L unit supporting self-capacitance (32 keys) or mutual-capacitance (8×8 matrix = 64 keys) |
| Timers & RTC | 12-channel 16-bit TAU, 1-channel 32-bit interval timer, and calendar RTC (1 sec–99 years) |
Pinout & Package
Package: 80-pin LQFP (14 × 14 mm, 0.65-mm pitch), industrial temperature grade (−40°C to +105°C), embossed tape packaging (#HA0).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 | XT1 / VBAT / EI121 | Primary crystal input (32.768 kHz) or backup battery input; enables RTC operation during main power loss |
| P122 | X2 / EXCLK / EI122 | Secondary crystal input or external clock source; supports high-accuracy system timing |
| P30 | TSCAP / RTC1HZ / EI30 | Dedicated CTSU2L sensor capacitor terminal; also provides 1-Hz RTC output for low-power wake scheduling |
| P60–P61 | SCLA0 / SDAA0 | I²C bus interface pins-support standard/fast-mode (100/400 kHz) and slave addressing with arbitration |
| P10–P12 | SCK00/SI00/SO00 | Full-duplex SPI interface (SAU0) with independent clock/data lines-usable for sensor or display communication |
| P00–P01 | TxD1 / RxD1 | UARTA channel 1 with LIN physical layer compliance-enables automotive sub-network communication |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.21 µA typical current draw with RAM retention-extends battery life in intermittently active devices |
| SNOOZE mode sequencer (SMS) | Executes up to 32 pre-programmed sensing/control steps autonomously-eliminates CPU wake cycles for periodic tasks |
| Capacitive Touch Unit (CTSU2L) | Supports both self- and mutual-capacitance topologies-enables robust touch buttons, sliders, and proximity detection |
| Data Flash BGO | Background rewriting allows concurrent program execution and nonvolatile parameter updates-no interrupt latency penalty |
| ELCL event linking | Hardware routing of peripheral events (e.g., ADC end → DMA trigger → PWM update)-reduces software overhead and jitter |
| On-chip debugging | Fully integrated E1/E2 emulator interface with real-time trace-enables field firmware updates and diagnostics |
Applications
| Industrial Sensor Node | Smart Thermostat HMI |
|---|---|
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and air quality in HVAC ducts. IC Role / Device Role / Timing Role: Main controller executing sensor polling, data logging, and BLE/Wi-Fi co-processor handshaking via UARTA. Use Value: 210-nA RAM retention and SMS-driven periodic wakeups enable >5-year battery life with monthly firmware updates. |
Use Scenario: Residential thermostat with capacitive touch panel, local display, and cloud connectivity. IC Role / Device Role / Timing Role: System-on-chip managing CTSU2L touch decoding, RTC-based scheduling, and serial communication to Wi-Fi module. Use Value: Integrated 64-key mutual-capacitance support eliminates external touch controller-reducing BOM cost and PCB area. |
| Automotive Body Control | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: Door module controlling window lift, mirror fold, and interior lighting with LIN bus integration. IC Role / Device Role / Timing Role: LIN-compliant UARTA endpoint with GPIO-controlled drivers and analog monitoring of motor current/voltage. Use Value: Hardware LIN protocol support and 1.6–5.5 V operation allow direct connection to vehicle battery without level-shifting. |
Use Scenario: DIN-rail mounted I/O expansion module with digital inputs, relay outputs, and Modbus RTU over RS-485. IC Role / Device Role / Timing Role: Protocol handler converting Modbus commands into GPIO/timer/PWM actions using SAU and TAU peripherals. Use Value: 12-channel TAU and programmable ELCL enable precise pulse-width modulation and synchronized I/O state changes per Modbus cycle. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GLH3CFA#HA0 | Same 80-pin LQFP package, but 128 KB code flash and 16 KB RAM | Lower memory footprint suits simpler control logic without extensive data logging | Select when application requires identical pinout and peripheral set but reduced flash/RAM budget |
| R7F100GMJ3CFA#HA0 | Same 80-pin LQFP package, with 256 KB code flash and 24 KB RAM | Higher memory capacity supports OTA firmware updates and larger protocol stacks (e.g., MQTT+TLS) | Select when future scalability or enhanced feature set justifies higher cost and memory headroom |
Compared with R7F100GMH3CFA#HA0, the R7F100GLH3CFA#HA0 reduces flash by 64 KB and RAM by 4 KB-ideal for cost-sensitive fixed-function controllers-while the R7F100GMJ3CFA#HA0 adds 64 KB flash and 4 KB RAM to accommodate secure boot and encrypted communications without external memory.
Availability
R7F100GMH3CFA#HA0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart HVAC interfaces, automotive body modules, and PLC I/O expansion requiring stable component supply across extended product lifecycles.
Supply support for R7F100GMH3CFA#HA0 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 industrial, automotive, and IoT markets.
The RL78/G23 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial HMI applications-emphasizing energy efficiency, integrated analog peripherals, and simplified development.
FAQ
What is the maximum operating frequency and corresponding current consumption of the R7F100GMH3CFA#HA0?
The R7F100GMH3CFA#HA0 operates at up to 32 MHz using its high-speed on-chip oscillator (±1.0% accuracy). At this frequency and VDD = 3.3 V, typical active current is 41 µA/MHz-translating to ~1.3 mA total. STOP mode draws only 0.21 µA, and HALT mode consumes 41 µA/MHz with peripherals disabled.
Does the R7F100GMH3CFA#HA0 support LIN bus communication, and which peripheral handles it?
Yes, the R7F100GMH3CFA#HA0 supports LIN 2.2-compliant communication via its UARTA peripheral. UARTA Channel 1 (P00/P01) provides dedicated LIN physical layer signaling-including automatic sync-break detection, checksum generation, and identifier filtering-without requiring external transceivers for basic node functionality.
How many capacitive touch channels does the R7F100GMH3CFA#HA0 support, and what configurations are possible?
The R7F100GMH3CFA#HA0 integrates the CTSU2L unit supporting up to 64 capacitive touch keys in mutual-capacitance mode (8 × 8 matrix) or 32 keys in self-capacitance mode. All channels operate within the 1.8–5.5 V VDD range and tolerate ±10% supply variation-enabling robust touch performance across industrial voltage rails.
Can the R7F100GMH3CFA#HA0 perform background data flash writes while executing code from main flash?
Yes, the R7F100GMH3CFA#HA0 supports Background Operation (BGO) for data flash. While running application code from code flash, it can simultaneously erase and rewrite 8 KB of data flash-enabling seamless parameter storage, calibration updates, or firmware metadata logging without halting program flow or introducing interrupt latency.
What debug interface does the R7F100GMH3CFA#HA0 use, and is it compatible with standard Renesas tools?
The R7F100GMH3CFA#HA0 uses the on-chip E1/E2 emulator interface compliant with Renesas CS+ and e2 studio IDEs. It supports real-time trace, SWD-style programming, and full breakpoint/watchpoint capability-requiring only a standard E2 Lite or E2 emulator probe. No external debug header or special pin configuration is needed beyond the dedicated TOOL0/TOOLRxD/TOOLTxD pins.
R7F100GMH3CFA#HA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G23
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
R7F100GMH3CFA#HA0 FAQ
1.How can I place an order for R7F100GMH3CFA#HA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GMH3CFA#HA0 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 R7F100GMH3CFA#HA0 reliable?
The price and inventory of R7F100GMH3CFA#HA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GMH3CFA#HA0 is usually 5 days.
3.What payment methods are accepted for R7F100GMH3CFA#HA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GMH3CFA#HA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GMH3CFA#HA0?
R7F100GMH3CFA#HA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GMH3CFA#HA0 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 R7F100GMH3CFA#HA0?
For technical support, including R7F100GMH3CFA#HA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GMH3CFA#HA0 requirements.
6.How does Aetrix verify that R7F100GMH3CFA#HA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GMH3CFA#HA0 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 R7F100GMH3CFA#HA0 meets industry standards.
7.What is the process for return or replacement of R7F100GMH3CFA#HA0?
All R7F100GMH3CFA#HA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GMH3CFA#HA0, 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 R7F100GMH3CFA#HA0 part is unused and in its original packaging.
Return procedure for R7F100GMH3CFA#HA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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