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Renesas R7F100GMN3CFB#AA0
- Part No.:
- R7F100GMN3CFB#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R7F100GMN3CFB#AA0.pdf
- Description:
- IC MCU 16BIT 768KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:357
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Product details
Overview
R7F100GMN3CFB#AA0 from Renesas is an RL78/G23 80-pin, industrial-grade (−40 to +105°C), ultra-low-power 16-bit MCU with 768 KB code flash, 48 KB RAM, and integrated capacitive touch sensing unit (CTSU2L). It features a 32-MHz RL78 CPU core, 210-nA data retention current, 41-µA/MHz active current, and supports UARTA, IICA, SAU, RTC, and SNOOZE mode sequencer for battery-powered HMI and sensor control applications.
For engineers reviewing the R7F100GMN3CFB#AA0 datasheet, R7F100GMN3CFB#AA0 pinout, R7F100GMN3CFB#AA0 application, or R7F100GMN3CFB#AA0 equivalent, this page delivers verified technical context, package mapping, real-world use cases, and validated alternative options - all grounded in Renesas' official R01DS0395EJ0140 Rev.1.40 specification.
Technical Context
The R7F100GMN3CFB#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 processes without CPU wake-up, and an Event Link Controller (ELCL) enabling hardware-triggered peripheral coordination.
It includes a 12-bit A/D converter with up to 26 channels, dual 8-bit D/A outputs, two comparators with selectable internal/external reference, and a capacitive sensing unit supporting both self-capacitance (up to 32 keys) and mutual capacitance (8×8 matrix, up to 64 keys) - all operating across the full 1.6–5.5 V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 3-stage pipeline and variable instruction timing (0.03125 µs min @ 32 MHz) |
| Memory | 768 KB code flash (2-KB blocks), 8 KB data flash (1M rewrite cycles), 48 KB on-chip RAM |
| Power Consumption | 41 µA/MHz active current; 210 nA data retention current for full 4 KB RAM retention |
| Operating Voltage & Temp | 1.6–5.5 V supply; −40 to +105°C ambient (industrial grade, "C" field code) |
| Analog Peripherals | 12-bit ADC (26 ch), dual 8-bit DAC (0–VDD output), 2-channel comparator, CTSU2L touch unit |
| Timers & Clock | 16-bit TAU (16 ch), 32-bit interval timer, RTC (alarm/correction), watchdog timer, 32.768-kHz subsystem clock |
| Communication Interfaces | UARTA (6 ch), IICA (10 ch), SAU (8 ch), simplified SPI (8 ch), remote control receiver (1 ch) |
Pinout & Package
Package: 80-pin LFQFP (12 × 12 mm, 0.50-mm pitch), RoHS-compliant, industrial temperature grade (C-field), tray packaging (#AA0).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 / P122 | Crystal oscillator input/output | Supports external 32.768-kHz crystal (XT1) and 1–20 MHz crystal (XT2/EXCLK); enables precise RTC and system clock sourcing |
| P30 / P31 / P50 / P51 / P60–P62 / P70–P73 | Capacitive touch sensing inputs | Directly connect to CTSU2L for self- or mutual-capacitance touch detection (up to 64 keys in matrix) |
| P10–P17 / P20–P26 / P147 | Analog input / reference / DAC output | Support 26-channel 12-bit ADC (ANI0–ANI19, TS00–TS27), AVREFP/AVREFM, IVREF0/IVREF1, VCOUT0/VCOUT1 |
| P00 / P01 / P11–P15 / P60–P61 / P71–P72 | Serial interface signals | Enable UARTA (RxD0/TxD0, RxD1/TxD1, RxDA0/TxDA0), IICA (SCLA0/SDAA0), SAU (SI/SO/SCK), and REMC (RIN0) |
| RESET / REGC / VDD / VSS | Power and reset management | Hardware reset input; REGC requires 0.47–1 µF capacitor to VSS; VDD/VSS support 1.6–5.5 V operation |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 pre-programmed low-power operations (e.g., ADC sampling, comparison, GPIO toggle) without CPU, flash, or RAM activation |
| Capacitive Touch Unit (CTSU2L) | Supports both self-capacitance (32-key single-pin) and mutual capacitance (64-key 8×8 matrix) with built-in noise immunity and auto-tuning |
| Data Flash Background Operation | Enables code execution from program memory while rewriting 8 KB data flash - critical for firmware updates and parameter storage |
| Event Link Controller (ELCL) | Hardware routing of event signals between peripherals (e.g., timer overflow → ADC trigger → DMA transfer) eliminates CPU polling overhead |
| Ultra-Low-Power Operating Modes | HALT (core stop, peripherals active), STOP (peripherals halted, RAM retained), and deep-retention modes with 210-nA current draw |
Applications
| Smart Thermostat Interface | Industrial Sensor Node |
|---|---|
|
Use Scenario: Battery-powered wall-mounted thermostat with capacitive touch buttons, ambient temperature/humidity sensing, and wireless communication gateway. IC Role / Device Role / Timing Role: Main controller executing touch scan via CTSU2L, reading analog sensors via 12-bit ADC, managing RTC-based scheduling, and driving UARTA for BLE module interface. Use Value: 210-nA data retention enables >5-year battery life in standby; SNOOZE mode handles periodic sensor reads without waking CPU. |
Use Scenario: DIN-rail mounted environmental monitor collecting vibration, temperature, and gas concentration data in factory settings. IC Role / Device Role / Timing Role: Real-time data acquisition hub using TAU timers for precise sampling intervals, ELCL for synchronized ADC-to-DMA transfers, and UARTA/IICA for multi-sensor bus interfacing. Use Value: −40 to +105°C rating ensures reliability in uncontrolled industrial enclosures; 768 KB flash accommodates firmware + OTA update partitioning. |
| Appliance Control Panel | Medical Patient Monitor Front-End |
|
Use Scenario: Touch-enabled front panel for washing machine or oven with LED indicators, buzzer feedback, and motor control interface. IC Role / Device Role / Timing Role: HMI processor handling capacitive key detection, driving PCLBUZ0/PCLBUZ1 for audio feedback, controlling PWM outputs for LEDs, and communicating with main MCU via UARTA. Use Value: Integrated CTSU2L and dual DAC eliminate external touch controller; controlled-current drive ports directly sink LED loads without external drivers. |
Use Scenario: Portable patient monitor requiring low-power ECG signal conditioning, button interface, and display backlight control. IC Role / Device Role / Timing Role: Analog front-end controller acquiring biopotential signals via 12-bit ADC with internal 1.48-V reference, performing baseline correction, and generating PWM-controlled backlight dimming via TAU. Use Value: On-chip 1.48-V reference and temperature sensor enable calibrated, drift-compensated measurements; 1.6-V minimum supply allows operation from single Li-ion cell. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GML3CFB#AA0 | Same 80-pin LFQFP package, identical peripherals, but 512 KB code flash and 48 KB RAM | Lower flash capacity reduces cost for firmware-limited designs; retains same power/performance profile | Select when application firmware fits within 512 KB and BOM cost optimization is prioritized over future firmware headroom |
| R7F100GMK3CFB#AA0 | Same package and pinout, 384 KB code flash, 32 KB RAM, and identical peripheral set | Reduced memory resources suit simpler control tasks (e.g., basic motor sequencing or lighting control) | Choose for cost-sensitive industrial controls where full 768 KB flash is unnecessary and thermal/power constraints match |
Compared with R7F100GMN3CFB#AA0, R7F100GML3CFB#AA0 offers identical functionality at lower flash density for cost reduction, while R7F100GMK3CFB#AA0 further reduces RAM and flash for entry-level embedded control - all maintain pin compatibility, industrial temperature rating, and ultra-low-power operation.
Availability
R7F100GMN3CFB#AA0 is available at Aetrix Electronics and suitable for industrial HMI panels, battery-powered sensor nodes, appliance control interfaces, and medical device front-ends requiring stable component supply across extended product lifecycles.
Supply support for R7F100GMN3CFB#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 family is designed for ultra-low-power, cost-sensitive industrial and consumer applications requiring robust capacitive touch, rich analog integration, and long battery life - with R7F100GMN3CFB#AA0 representing its highest-memory 80-pin variant.
FAQ
What is the maximum operating frequency and corresponding current consumption of the R7F100GMN3CFB#AA0?
The R7F100GMN3CFB#AA0 operates at up to 32 MHz using its high-speed on-chip oscillator (±1.0% accuracy). At this frequency, it draws 41 µA per MHz in active mode, resulting in approximately 1.31 mA total core current. Its ultra-low-power STOP mode consumes just 210 nA while retaining 4 KB of RAM - verified in Renesas R01DS0395EJ0140 Rev.1.40 Section 1.1.
Does the R7F100GMN3CFB#AA0 support capacitive touch sensing, and how many keys can it handle?
Yes, the R7F100GMN3CFB#AA0 integrates the CTSU2L capacitive touch sensing unit. It supports up to 32 keys in self-capacitance mode (one pin per key) or up to 64 keys in mutual capacitance matrix mode (8 × 8 configuration), all operating across the full 1.6–5.5 V supply range - confirmed in Section 1.1 and Table 1-2 of the R01DS0395EJ0140 datasheet.
What package type and pin count does the R7F100GMN3CFB#AA0 use?
The R7F100GMN3CFB#AA0 uses an 80-pin LFQFP package (12 × 12 mm, 0.50-mm pitch), designated by the "FB" suffix in its part number and confirmed in Table 1-1 of R01DS0395EJ0140 Rev.1.40. It is supplied in trays (#AA0 packaging specification) and rated for industrial temperature operation (−40 to +105°C).
Can the R7F100GMN3CFB#AA0 execute code while rewriting data flash memory?
Yes, the R7F100GMN3CFB#AA0 supports Background Operation (BGO) for its 8 KB data flash memory. This allows the CPU to execute instructions from code flash while simultaneously erasing or programming data flash - essential for seamless firmware updates and runtime parameter storage without system interruption.
What communication interfaces are available on the R7F100GMN3CFB#AA0?
The R7F100GMN3CFB#AA0 provides UARTA (up to 6 channels), IICA (up to 10 channels), Serial Array Unit (SAU, up to 8 channels), simplified SPI (up to 8 channels), and a dedicated remote control signal receiver (REMC). All are accessible via multiplexed pins on its 80-pin LFQFP package - detailed in Sections 1.1 and Table 1-5 of R01DS0395EJ0140.
R7F100GMN3CFB#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:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 48K 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:
R7F100GMN3CFB#AA0 FAQ
1.How can I place an order for R7F100GMN3CFB#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GMN3CFB#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 R7F100GMN3CFB#AA0 reliable?
The price and inventory of R7F100GMN3CFB#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GMN3CFB#AA0 is usually 5 days.
3.What payment methods are accepted for R7F100GMN3CFB#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GMN3CFB#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GMN3CFB#AA0?
R7F100GMN3CFB#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GMN3CFB#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 R7F100GMN3CFB#AA0?
For technical support, including R7F100GMN3CFB#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GMN3CFB#AA0 requirements.
6.How does Aetrix verify that R7F100GMN3CFB#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GMN3CFB#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 R7F100GMN3CFB#AA0 meets industry standards.
7.What is the process for return or replacement of R7F100GMN3CFB#AA0?
All R7F100GMN3CFB#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GMN3CFB#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 R7F100GMN3CFB#AA0 part is unused and in its original packaging.
Return procedure for R7F100GMN3CFB#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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