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Renesas R7F100GLF2DFA#AA0
- Part No.:
- R7F100GLF2DFA#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7F100GLF2DFA#AA0.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:827
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Product details
Overview
R7F100GLF2DFA#AA0 from Renesas is a 64-pin, consumer-grade RL78/G23 16-bit MCU with 512 KB code flash, 48 KB RAM, and true low-power operation (41 µA/MHz active, 210 nA data retention). It integrates capacitive touch sensing (CTSU2L), 16-bit TAU timers, RTC, UARTA/IICA/SAU interfaces, and operates from 1.6–5.5 V for battery-powered HMI and sensor node applications.
For engineers reviewing the R7F100GLF2DFA#AA0 datasheet, R7F100GLF2DFA#AA0 pinout, R7F100GLF2DFA#AA0 application, or R7F100GLF2DFA#AA0 equivalent, key selection criteria include its 64-pin LQFP-0.65mm package, -40°C to +85°C temperature grade, integrated CTSU2L for up to 64-key mutual-capacitance touch, and support for SNOOZE mode sequencer for ultra-low-power periodic wake-up without CPU involvement.
Technical Context
The R7F100GLF2DFA#AA0 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 µs (32 MHz) to 30.5 µs (32.768 kHz), and includes multiply/divide/accumulate instructions. Its memory subsystem comprises 512 KB code flash (2 KB block size), 8 KB data flash with background operation (BGO), and 48 KB on-chip RAM.
Peripherals include a 21-command SNOOZE mode sequencer (SMS) enabling autonomous low-power processing, Logic & Event Link Controller (ELCL) for configurable event routing between peripherals, and CTSU2L supporting both self- and mutual-capacitance sensing with up to 32 keys (self) or 64 keys (8×8 matrix).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and selectable high/ultra-low speed modes |
| Operating Voltage | 1.6–5.5 V - supports direct battery operation (e.g., 2×AA, Li-ion, or coin cell backup) |
| Power Consumption | 41 µA/MHz active current; 210 nA data retention - enables multi-year battery life in sleep-cycled devices |
| Memory | 512 KB code flash + 8 KB data flash (1M rewrite cycles) + 48 KB RAM - sufficient for complex firmware with secure boot and field updates |
| Capacitive Sensing | CTSU2L unit supporting 32-key self-cap or 64-key mutual-capacitance (8×8) - eliminates external touch controller IC |
| Timers & RTC | 16-channel 16-bit TAU, 32-bit interval timer, and calendar RTC (1 sec–99 years) with alarm and correction - enables precise timekeeping and scheduling |
| Communication Interfaces | Up to 6 UARTA (LIN-capable), 10 IICA, 8 SAU channels - provides flexible wired connectivity for sensor fusion and control networks |
Pinout & Package
Package: 64-pin plastic LQFP (12 × 12 mm, 0.65-mm pitch), consumer temperature grade (-40°C to +85°C), tray packaging (#AA0).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10–P17 | Multi-function I/O with SAU/SPI/I²C/UART | Primary serial interface bank supporting simultaneous UARTA, IICA, and SAU operation |
| P30–P31 | TSCAP/RTC1HZ/INTP3/INTP4 | Dedicated capacitive touch sense input and real-time clock output for low-jitter timing |
| P50–P51 | SI11/SDA11/SO11/INTP1/INTP2 | Secondary SAU channel with interrupt-capable serial I/O for isolated peripheral control |
| P60–P62 | SCLA0/SDAA0/CCD06 | I²C master/slave interface pins with dedicated pull-up capability and CTSU2L auxiliary inputs |
| P121–P122 | X1/XT1, X2/XT2/EXCLK | Crystal oscillator inputs supporting 32.768 kHz RTC crystal and up to 32 MHz main clock |
| RESET, REGC, VDD, VSS | Power & reset management | REGC requires 0.47–1 µF capacitor to VSS; RESET is active-low with internal pull-up |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 sequential commands (e.g., ADC sampling, compare, GPIO toggle) autonomously - reduces active CPU time by >90% in polling-based sensing |
| Capacitive Touch Unit (CTSU2L) | Supports mutual-capacitance matrix (8×8) for 64-key touch panels - eliminates need for external touch ASIC and associated layout complexity |
| Data Flash BGO | Enables full CPU execution from code flash while rewriting 8 KB data flash - allows seamless firmware parameter updates without system interruption |
| ELCL Event Routing | Configurable hardware logic links peripheral events (e.g., timer overflow → ADC trigger → DMA request) - replaces software polling and reduces ISR latency |
| Low-Power Oscillators | Integrated high-accuracy ±1.0% 32 MHz on-chip oscillator and 32.768 kHz RTC oscillator - eliminates two external crystals and associated load capacitors |
Applications
| Home Appliance Control Panel | Industrial Sensor Node |
|---|---|
Use Scenario: Touch-enabled microwave oven or washing machine control panel with backlight dimming and safety interlock monitoring. IC Role / Device Role / Timing Role: Main system controller executing UI logic, driving segmented LCD, managing CTSU2L touch keys, and coordinating safety-critical I/O via ELCL-triggered ADC sampling. Use Value: Integrated CTSU2L and 48 KB RAM enable responsive multi-key touch without external controller; SNOOZE mode maintains real-time clock and detects button press during deep sleep at 210 nA. | Use Scenario: Battery-powered wireless temperature/humidity sensor node transmitting data hourly via UART-to-LoRa module. IC Role / Device Role / Timing Role: Data acquisition engine using RTC alarm + SMS to wake, sample ADC, process values, and trigger UART transmission before returning to STOP mode. Use Value: 41 µA/MHz active current and BGO data flash allow firmware logging and over-the-air parameter updates without interrupting sensor operation or draining primary battery. |
| Smart Thermostat Interface | Medical Wearable Monitor |
Use Scenario: Wall-mounted HVAC thermostat with capacitive slider, ambient light sensing, and local display refresh. IC Role / Device Role / Timing Role: HMI processor handling CTSU2L slider position decoding, ambient ADC reading, and PWM-controlled display backlight via TAU channels. Use Value: Mutual-capacitance CTSU2L supports smooth slider gesture detection; controlled-current drive ports directly drive LED segments without external drivers. | Use Scenario: Disposable ECG patch performing analog front-end conditioning, heart-rate calculation, and Bluetooth LE data streaming. IC Role / Device Role / Timing Role: Signal processing hub acquiring 12-bit ADC data, running real-time QRS detection algorithm, and buffering results in 48 KB RAM for burst BLE transmission. Use Value: On-chip 12-bit ADC with internal 1.48 V reference and temperature sensor enable calibrated biopotential measurement; 512 KB flash hosts dual-bank secure bootloader and clinical firmware. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GLL2DFA#AA0 | Same 64-pin LQFP package, identical peripherals, but 32 KB RAM and 384 KB code flash | Lower memory footprint suits simpler UIs or fixed-function sensor nodes without OTA update storage | Select when application firmware fits within 384 KB flash and 32 KB RAM to reduce BOM cost |
| R7F100GLJ2DFA#AA0 | Same package and temperature grade, but 256 KB code flash and 24 KB RAM; retains full CTSU2L and SMS functionality | Targeted at cost-sensitive consumer devices with basic touch UI and minimal data logging | Choose for entry-level HMI where 256 KB flash suffices and RAM usage stays below 24 KB |
Compared with R7F100GLF2DFA#AA0, the R7F100GLL2DFA#AA0 offers 25% less flash and 33% less RAM at lower cost, while the R7F100GLJ2DFA#AA0 cuts flash and RAM by half - both retain identical low-power architecture, CTSU2L, and SNOOZE sequencer, making them drop-in alternatives for scaled-down firmware deployments.
Availability
R7F100GLF2DFA#AA0 is available at Aetrix Electronics and suitable for home appliance control panels, industrial sensor nodes, and smart thermostat interfaces requiring stable component supply across multi-year production cycles.
Supply support for R7F100GLF2DFA#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 applications demanding high integration, robust capacitive touch, and long battery life - designed specifically for cost-sensitive, high-volume consumer and industrial HMI systems.
FAQ
What is the maximum operating frequency and corresponding supply voltage range for the R7F100GLF2DFA#AA0?
The R7F100GLF2DFA#AA0 supports up to 32 MHz operation with its high-speed on-chip oscillator, and operates across the full 1.6–5.5 V supply range. At 32 MHz, minimum VDD is 2.7 V per the datasheet's AC characteristics table; operation below 2.7 V requires reduced frequency scaling (e.g., 24 MHz at 2.4 V, 16 MHz at 1.8 V). The R7F100GLF2DFA#AA0 maintains ±1.0% oscillator accuracy across this voltage and temperature range.
Does the R7F100GLF2DFA#AA0 support hardware-based encryption or secure boot features?
The R7F100GLF2DFA#AA0 does not integrate hardware cryptographic accelerators (AES, SHA, TRNG) or secure boot ROM. It provides flash security functions including block erase/write prohibition and flash shield window to prevent unauthorized readout of code flash contents. Secure boot implementation requires external trusted execution environment or companion secure element; the R7F100GLF2DFA#AA0 relies on software-managed authentication and signature verification in application firmware.
How many capacitive touch channels does the CTSU2L unit support on the R7F100GLF2DFA#AA0, and what configurations are possible?
The CTSU2L unit on the R7F100GLF2DFA#AA0 supports up to 32 self-capacitance channels (one per pin) or 64 mutual-capacitance channels (8 transmit × 8 receive pins). It operates under VDD = 1.8–5.5 V and supports automatic calibration, noise rejection, and proximity detection. Pin assignments are fixed per the 64-pin LQFP package mapping - P30 serves as TSCAP, and dedicated CTSU2L I/O pins include P50–P51, P60–P62, and P70–P73 as defined in the pin function table.
Can the R7F100GLF2DFA#AA0 execute code while rewriting data flash memory?
Yes, the R7F100GLF2DFA#AA0 supports Background Operation (BGO) for data flash. While rewriting the 8 KB data flash memory, the CPU can continue executing instructions from code flash without interruption. This enables real-time parameter updates, logging, or configuration changes during normal application operation - critical for fail-safe systems where continuous control loop execution must not be paused.
What debug interface and programming method does the R7F100GLF2DFA#AA0 use?
The R7F100GLF2DFA#AA0 uses the on-chip debugging interface accessible via the dedicated TOOL0 (pin P40) and TOOLRxD/TOOLTxD (pins P11/P12) signals, compatible with Renesas E2 emulator and E2 Lite debugger. Programming is performed through the FINE interface using standard SWD protocol; no external bootloader is required as the device supports self-programming with boot swapping and flash shield window protection for secure firmware updates.
R7F100GLF2DFA#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 54
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x10b, 8x12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F100GLF2DFA#AA0 FAQ
1.How can I place an order for R7F100GLF2DFA#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GLF2DFA#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 R7F100GLF2DFA#AA0 reliable?
The price and inventory of R7F100GLF2DFA#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GLF2DFA#AA0 is usually 5 days.
3.What payment methods are accepted for R7F100GLF2DFA#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GLF2DFA#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GLF2DFA#AA0?
R7F100GLF2DFA#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GLF2DFA#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 R7F100GLF2DFA#AA0?
For technical support, including R7F100GLF2DFA#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GLF2DFA#AA0 requirements.
6.How does Aetrix verify that R7F100GLF2DFA#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GLF2DFA#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 R7F100GLF2DFA#AA0 meets industry standards.
7.What is the process for return or replacement of R7F100GLF2DFA#AA0?
All R7F100GLF2DFA#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GLF2DFA#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 R7F100GLF2DFA#AA0 part is unused and in its original packaging.
Return procedure for R7F100GLF2DFA#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7F100GLF2DFA#AA0 Tags
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