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Renesas R7F100GSN2DFB#AA0
- Part No.:
- R7F100GSN2DFB#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
R7F100GSN2DFB#AA0.pdf
- Description:
- IC MCU 16BIT 768KB FLASH 128LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:199
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Product details
Overview
R7F100GSN2DFB#AA0 from Renesas is a 128-pin, ultra-low-power RL78/G23 16-bit MCU with 768 KB code flash, 48 KB RAM, and integrated capacitive touch sensing (CTSU2L), designed for industrial applications operating from −40 to +105°C at 1.6–5.5 V. It features a 32-MHz high-accuracy on-chip oscillator (±1.0%), 210-nA data retention current, and hardware-accelerated SNOOZE mode sequencer for autonomous low-power sensor polling.
For engineers reviewing the R7F100GSN2DFB#AA0 datasheet, R7F100GSN2DFB#AA0 pinout, R7F100GSN2DFB#AA0 application, or R7F100GSN2DFB#AA0 equivalent, key selection criteria include its 128-pin LFQFP (0.50-mm pitch) package, industrial temperature grade (3C), 768-KB flash/48-KB RAM configuration, and support for simultaneous UARTA (6 channels), IICA (10 channels), and SAU (3–6 channels) interfaces in resource-constrained embedded control systems.
Technical Context
The RL78/G23 core implements a CISC architecture with 3-stage pipeline and configurable instruction timing (0.03125 µs min @ 32 MHz or 30.5 µs @ 32.768 kHz). Its SNOOZE mode sequencer executes up to 32 autonomous processes using 21 command types-enabling sensor polling and threshold comparison without CPU, flash, or RAM activation.
Peripheral integration includes a 12-bit A/D converter (26 channels), dual 8-bit D/A outputs (0–VDD), two comparators with selectable internal/external reference, and an event link controller (ELCL) that routes signals between peripherals via programmable logic and flip-flops-eliminating software overhead for inter-peripheral coordination.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78/G23 16-bit CISC CPU with 3-stage pipeline and multiply/divide instructions |
| Flash / RAM | 768 KB code flash (2-KB blocks) + 8 KB data flash + 48 KB SRAM; supports background operation during flash rewrite |
| Power | 1.6–5.5 V supply; 41 µA/MHz active current; 210 nA data retention current for full 4 KB RAM retention |
| Clock Sources | High-speed on-chip oscillator (32/24/16/12/8/6/4/3/2/1 MHz, ±1.0%); 32.768-kHz low-speed oscillator with adjustability |
| Analog Peripherals | 12-bit A/D converter (26 inputs, internal 1.48-V reference, temp sensor); 2× 8-bit D/A outputs (0–VDD, real-time update) |
| Timers & RTC | 16-bit timer array (16 channels); 32-bit interval timer (1×32-bit, 2×16-bit, 4×8-bit modes); RTC with alarm, correction, and 1-s to 99-year counting |
| Communication | UARTA (6 channels, LIN support); IICA (10 channels, simplified I²C); SAU (3–6 channels, SPI/UART/I²C); REMC (1-channel IR receiver) |
Pinout & Package
Package: 128-pin LFQFP (14 × 20 mm, 0.50-mm pitch), industrial-grade (−40 to +105°C), lead-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P121 / X1 / XT1 / VBAT / EI121 | Primary crystal input / backup battery input | Connects to 32.768-kHz crystal for RTC; accepts VBAT for RTC retention during main power loss |
| P122 / X2 / EXCLK / XT2 / EXCLKS / EI122 | Secondary crystal input / external clock input | Supports high-frequency crystal (up to 20 MHz) or external clock source for system timing |
| P137 / EI137 / INTP0 | External interrupt input / key interrupt | Dedicated edge-triggered interrupt pin for wake-up or real-time event capture |
| P30 / VCOUT0 / TSCAP / EI30 / INTP3 / RTC1HZ / SCK11 / SCL11 | Capacitive touch sense channel / RTC output | Single-pin CTSU2L electrode drive; outputs 1-Hz RTC signal for timekeeping synchronization |
| P60 / EO60 / CCD04 / SCLA0 | I²C bus clock output / CTSU2L channel | Drives I²C clock line; also functions as CTSU2L current detection channel for mutual-capacitance touch matrix |
| P61 / EO61 / CCD05 / SDAA0 | I²C bus data output / CTSU2L channel | Drives I²C data line; serves as second CTSU2L channel for 8×8 mutual-capacitance key scanning |
| REGC | Regulator capacitor connection | Must be connected to VSS via 0.47–1 µF capacitor to stabilize internal voltage regulator |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes 32-step autonomous sequences (e.g., ADC sampling → compare → GPIO toggle) without CPU, flash, or RAM power |
| Capacitive Touch Unit (CTSU2L) | Supports self-capacitance (32 keys) and mutual-capacitance (64-key 8×8 matrix) with built-in noise rejection |
| Data Flash Endurance | 1,000,000 write cycles (typ.), enabling reliable nonvolatile storage of calibration data or user settings |
| Event Link Controller (ELCL) | Hardware-configurable logic and flip-flops route signals between peripherals (e.g., timer overflow → ADC trigger → DMA request) |
| Low-Power Wake-Up | Wakes from STOP mode in ≤3.8 µs (typ.) with high-speed oscillator ready, minimizing latency in responsive control loops |
Applications
| Industrial HMI Panels | Smart Energy Meters |
|---|---|
Use Scenario: 128-key capacitive touch overlay on factory control panel with ambient temperature up to +105°C. IC Role / Device Role / Timing Role: R7F100GSN2DFB#AA0 acts as primary HMI controller, executing CTSU2L mutual-capacitance scanning and driving 10-channel IICA for display interface. Use Value: Integrated CTSU2L eliminates external touch controller; 768-KB flash stores firmware + localized UI assets; industrial temp rating ensures reliability in uncooled enclosures. | Use Scenario: Three-phase electricity meter requiring tamper detection, real-time tariff calculation, and secure data logging. IC Role / Device Role / Timing Role: R7F100GSN2DFB#AA0 serves as metering SoC, running metrology algorithms on RL78 core while RTC maintains accurate billing intervals. Use Value: 210-nA data retention preserves tariff tables and event logs during power outage; 8-KB data flash endures 1M writes for lifetime energy history. |
| Building Automation Sensors | Medical Patient Monitors |
Use Scenario: Battery-powered CO₂ and humidity sensor node deployed in HVAC ducts with intermittent wireless reporting. IC Role / Device Role / Timing Role: R7F100GSN2DFB#AA0 manages sensor acquisition via 12-bit ADC, runs SNOOZE sequencer for periodic wake-up, and transmits via UARTA to LoRa module. Use Value: 41-µA/MHz active current extends battery life; SNOOZE mode reduces average current to sub-µA range between measurements. | Use Scenario: Portable ECG device requiring low-noise analog front-end, real-time waveform display, and patient data export. IC Role / Device Role / Timing Role: R7F100GSN2DFB#AA0 acquires analog ECG signals via 12-bit ADC with internal reference, performs digital filtering, and drives display via SAU SPI. Use Value: On-chip 1.48-V reference ensures stable ADC accuracy across temperature; dual 8-bit DACs generate precise calibration test signals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GSL2DFB#AA0 | Same 128-pin LFQFP package and 3C temp grade, but reduced 512 KB flash / 48 KB RAM | Suitable for cost-sensitive industrial controls where firmware size < 512 KB and no future feature expansion is planned | Select when full 768 KB flash is unnecessary; retains identical peripheral set, pinout, and low-power features |
| R7F100GMN2DFB#AA0 | 80-pin LFQFP variant with 768 KB flash / 48 KB RAM; lacks 48 pins including 4× CTSU2L channels and 2× UARTA instances | Better suited for space-constrained designs where full 128-pin I/O count and maximum CTSU2L channel count are not required | Choose for compact PCB layouts needing 768 KB flash but fewer GPIOs and reduced CTSU2L scalability |
Compared with R7F100GSL2DFB#AA0, the R7F100GSN2DFB#AA0 provides 256 KB additional flash for field-upgradable firmware or larger UI assets; versus R7F100GMN2DFB#AA0, it delivers 48 extra pins enabling full 64-key mutual-capacitance touch and expanded serial connectivity for multi-sensor fusion.
Availability
R7F100GSN2DFB#AA0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy meters, building automation sensors, and portable medical monitors requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7F100GSN2DFB#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 ultra-low-power industrial and consumer embedded control, emphasizing energy efficiency, integrated analog peripherals, and hardware-accelerated autonomous operation for battery-powered and thermally constrained applications.
FAQ
What is the operating temperature range certified for the R7F100GSN2DFB#AA0?
The R7F100GSN2DFB#AA0 is rated for industrial applications with an ambient operating temperature range of −40 to +105°C (3C grade), validated per Renesas specification R01DS0395EJ0140. This rating applies to the full 768 KB flash / 48 KB RAM configuration in the 128-pin LFQFP package and ensures reliable operation in uncooled factory environments or outdoor metering enclosures.
Does the R7F100GSN2DFB#AA0 support hardware-based capacitive touch sensing without external components?
Yes, the R7F100GSN2DFB#AA0 integrates the CTSU2L capacitive touch sensing unit, supporting both self-capacitance (up to 32 keys) and mutual-capacitance (up to 64 keys in 8×8 matrix) configurations. It requires only external electrodes and optional shielding-no external ICs, op-amps, or RC networks-reducing BOM cost and PCB area while maintaining noise immunity per IEC 61000-4-3/6 compliance.
How many independent UART interfaces does the R7F100GSN2DFB#AA0 provide, and do they support LIN communication?
The R7F100GSN2DFB#AA0 provides six UARTA channels, all of which support LIN 2.2/2.2A protocol via dedicated LIN control registers and automatic sync-break detection. Each channel operates independently with programmable baud rates, parity, and stop bits, enabling concurrent communication with multiple LIN slave nodes in automotive body control or industrial actuator networks.
Can the R7F100GSN2DFB#AA0 execute code while rewriting its data flash memory?
Yes, the R7F100GSN2DFB#AA0 supports Background Operation (BGO) for data flash memory, allowing the CPU to execute instructions from code flash while simultaneously erasing or programming the 8 KB data flash. This enables seamless firmware updates, calibration data logging, or parameter storage without halting real-time control tasks.
What is the minimum wake-up time from STOP mode for the R7F100GSN2DFB#AA0, and what clock source is active upon wake-up?
The R7F100GSN2DFB#AA0 wakes from STOP mode in ≤3.8 µs (typical) with the high-speed on-chip oscillator fully stabilized and ready for execution. This fast wake-up enables responsive reaction to interrupts in motor control, safety monitoring, or sensor polling applications where latency must remain below 5 µs.
R7F100GSN2DFB#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 128-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:
- 116
- 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):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 26x8/10/12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F100GSN2DFB#AA0 FAQ
1.How can I place an order for R7F100GSN2DFB#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GSN2DFB#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 R7F100GSN2DFB#AA0 reliable?
The price and inventory of R7F100GSN2DFB#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GSN2DFB#AA0 is usually 5 days.
3.What payment methods are accepted for R7F100GSN2DFB#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GSN2DFB#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GSN2DFB#AA0?
R7F100GSN2DFB#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GSN2DFB#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 R7F100GSN2DFB#AA0?
For technical support, including R7F100GSN2DFB#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GSN2DFB#AA0 requirements.
6.How does Aetrix verify that R7F100GSN2DFB#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GSN2DFB#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 R7F100GSN2DFB#AA0 meets industry standards.
7.What is the process for return or replacement of R7F100GSN2DFB#AA0?
All R7F100GSN2DFB#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GSN2DFB#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 R7F100GSN2DFB#AA0 part is unused and in its original packaging.
Return procedure for R7F100GSN2DFB#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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