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Renesas R7F102GEC2DNP#AA0
- Part No.:
- R7F102GEC2DNP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 40-WFQFN Exposed Pad
- Datasheet:
-
R7F102GEC2DNP#AA0.pdf
- Description:
- MCU:RL78
- Quantity:
- Payment:
- Shipping:
Inventory:4,085
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Product details
Overview
R7F102GEC2DNP#AA0 from Renesas is a 40-pin HWQFN-packaged RL78/G22 16-bit microcontroller with 64 KB code flash, 4 KB RAM, and 2 KB data flash, operating from 1.6 V to 5.5 V. It delivers true low-power operation (37.5 µA/MHz active, 200 nA STOP mode), integrates 10-channel 10-bit ADC, RTC, capacitive touch sensing (up to 29 keys), and multiple serial interfaces - deployed in battery-powered consumer HMI and sensor-edge devices.
For engineers reviewing the R7F102GEC2DNP#AA0 datasheet, R7F102GEC2DNP#AA0 pinout, R7F102GEC2DNP#AA0 application, or R7F102GEC2DNP#AA0 equivalent, key selection considerations include its 40-pin HWQFN (6 × 6 mm, 0.50-mm pitch) package, -40°C to +85°C temperature grade (D-suffix), 64 KB flash capacity, integrated CTSU2La capacitive touch unit, and SNOOZE mode sequencer for ultra-low-power sensor polling without CPU wake-up.
Technical Context
The RL78/G22 core implements a 3-stage pipeline CISC architecture with configurable instruction timing (0.03125 µs at 32 MHz high-speed mode; 30.5 µs at 32.768 kHz ultra-low-speed mode), supporting multiply/divide/accumulate instructions and 1 MB address space. Its power management includes HALT, STOP, and SNOOZE modes - the latter enabling autonomous 32-step command sequencing using 21 dedicated instructions while keeping CPU, flash, and RAM powered down.
Peripheral integration includes a 16-bit Timer Array Unit (TAU) with 8 channels, 32-bit interval timer, real-time clock with alarm and correction, watchdog timer, up to 6 I²C/Simplified I²C channels, 4 UARTA/LIN-capable channels, and 5 Simplified SPI (CSI) channels. The CTSU2La unit supports both self- and mutual-capacitance sensing across up to 29 pins, with dedicated TSCAP pin and internal voltage reference (1.48 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78/G22 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Flash Memory | 64 KB code flash + 2 KB data flash with background operation (BGO) and 1M rewrite cycles |
| RAM | 4 KB on-chip RAM, accessible during STOP mode for retention |
| Operating Voltage | 1.6 V to 5.5 V - enables direct Li-ion, coin-cell, or multi-rail system integration |
| Power Consumption | 37.5 µA/MHz active current; 200 nA STOP mode; SNOOZE mode consumes <1 µA during autonomous sensing |
| Capacitive Sensing | CTSU2La unit supports up to 29 keys via self-capacitance or matrix mutual-capacitance configurations |
| Timers & RTC | 8-channel 16-bit TAU, 32-bit interval timer, and calendar RTC with alarm interrupt and ±1 ppm correction capability |
Pinout & Package
Package: 40-pin HWQFN (6 × 6 mm, 0.50-mm pitch), exposed die pad (recommended to connect to VSS), RoHS-compliant, consumer-grade (-40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P40 | TOOL0 | On-chip debug interface pin for programming and trace; requires external pull-down for normal operation |
| RESET | Reset input | Active-low reset with internal pull-up; accepts 1.6–5.5 V logic levels |
| P121 | X1/VBAT | Primary crystal oscillator input or backup battery supply for RTC retention |
| P122 | X2/EXCLK | Crystal oscillator output or external clock input (up to 32 MHz) |
| VDD / VSS | Power supply / Ground | Dual power domains: VDD powers digital/analog circuits; REGC capacitor (0.47–1 µF to VSS) required for internal regulator stability |
| P30 | TSCAP / RTC1HZ / SCL11 | Dedicated capacitive sensing reference pin; also provides RTC 1 Hz output and I²C clock |
| P50 / P51 | TS00 / TS28 | Capacitive touch sense inputs - support mutual/self-capacitance with programmable sensitivity and noise immunity |
| P10–P12, P14–P17 | SCK00/SI00/SO00, etc. | Multiplexed serial interface pins: up to 5 CSI, 4 UARTA (LIN-compatible), and 6 IICA channels |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 autonomous sensing or measurement steps using 21 dedicated commands - eliminates CPU wake-up for periodic touch or ADC polling |
| Capacitive Touch Unit (CTSU2La) | Supports 29-key self-capacitance or matrix mutual-capacitance layouts with built-in noise cancellation and auto-calibration |
| Data Flash Background Operation (BGO) | Enables concurrent program execution from code flash while rewriting 2 KB data flash - critical for firmware-over-the-air (FOTA) and parameter logging |
| Flexible Clock System | Three independent oscillators: high-speed (1–32 MHz ±1.0%), middle-speed (1–4 MHz adjustable), and low-speed (32.768 kHz ±200 ppm) |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining - e.g., ADC conversion completion directly triggers DMA transfer without CPU intervention |
Applications
| Smart Home Remote Control | Portable Medical Sensor |
|---|---|
|
Use Scenario: Battery-powered infrared + capacitive-touch remote with gesture recognition and low-power wake-on-touch. IC Role / Device Role / Timing Role: R7F102GEC2DNP#AA0 serves as main HMI controller, executing CTSU2La touch scanning in SNOOZE mode and driving IR LED via TAU PWM. Use Value: 200 nA STOP current extends coin-cell life beyond 2 years; integrated 1.48 V reference ensures stable touch sensitivity across voltage decay. |
Use Scenario: Handheld pulse oximeter with analog front-end, OLED display, and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: R7F102GEC2DNP#AA0 acquires ADC samples from photodiode/LED drivers, computes SpO₂ via onboard math engine, and manages BLE UARTA interface. Use Value: 10-bit ADC with internal reference eliminates external precision voltage source; RTC enables timestamped clinical data logging. |
| Industrial Panel Keypad | Wireless Smart Plug |
|
Use Scenario: DIN-rail mounted HMI panel with 12-key capacitive keypad, RS-485 communication, and ambient temperature monitoring. IC Role / Device Role / Timing Role: R7F102GEC2DNP#AA0 handles multi-key debounce via CTSU2La, drives isolated RS-485 transceiver via UARTA, and reads onboard temperature sensor. Use Value: 40-pin HWQFN provides sufficient GPIO for key matrix and isolation control; wide 1.6–5.5 V range accommodates unregulated 24 V DC-DC outputs. |
Use Scenario: Wi-Fi-enabled smart plug with energy metering, overload protection, and scheduled on/off control. IC Role / Device Role / Timing Role: R7F102GEC2DNP#AA0 monitors zero-crossing detection, controls TRIAC gate via TAU, logs kWh via data flash BGO, and synchronizes with NTP via RTC. Use Value: 64 KB flash hosts secure bootloader and OTA update handler; STOP-mode wake-up on AC cycle ensures precise timing without continuous CPU load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F102GEE2DNP#AA0 | Same RL78/G22 family, identical 40-pin HWQFN package and 64 KB flash, but rated for industrial temperature (-40°C to +105°C, 3C suffix) | Required for extended-temperature environments such as factory-floor HMIs or outdoor smart meters | Select when ambient operating temperature exceeds +85°C; otherwise R7F102GEC2DNP#AA0 suffices for consumer-grade designs |
| R7F102GCC2DLA#AC0 | 36-pin WFLGA package, 32 KB flash, same -40°C to +85°C rating, but smaller footprint and lower I/O count (36 vs. 40 pins) | Suitable for space-constrained portable devices where fewer analog inputs or serial channels are needed | Choose for compact wearables or cost-sensitive remotes; verify pin compatibility and flash margin before migration |
Compared with R7F102GEE2DNP#AA0, the R7F102GEC2DNP#AA0 trades industrial temperature range for lower cost and identical functionality in consumer environments; versus R7F102GCC2DLA#AC0, it offers +8 KB flash, +4 pins, and HWQFN thermal performance - making it preferable for feature-rich, thermally demanding edge nodes.
Availability
R7F102GEC2DNP#AA0 is available at Aetrix Electronics and suitable for smart home remotes, portable medical sensors, industrial keypads, wireless smart plugs, and battery-powered HMI requiring stable component supply across design-in, prototyping, and volume production phases.
Supply support for R7F102GEC2DNP#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/G22 product line targets ultra-low-power embedded applications requiring rich analog integration, capacitive touch, and secure firmware updates - optimized for cost-sensitive, battery-operated consumer and industrial edge devices.
FAQ
What is the maximum operating frequency of the R7F102GEC2DNP#AA0?
The R7F102GEC2DNP#AA0 supports a maximum high-speed on-chip oscillator frequency of 32 MHz, delivering a minimum instruction execution time of 0.03125 µs. This frequency is achievable across the full 1.6–5.5 V supply range and -40°C to +85°C ambient temperature, with ±1.0% accuracy over voltage and temperature.
Does the R7F102GEC2DNP#AA0 support hardware-based capacitive touch sensing?
Yes, the R7F102GEC2DNP#AA0 integrates the CTSU2La capacitive touch sensing unit, supporting up to 29 keys using either self-capacitance (single-pin per key) or mutual-capacitance (matrix layout) methods. It includes dedicated TSCAP pin, programmable scan parameters, and built-in noise suppression - no external touch controller required.
Can the R7F102GEC2DNP#AA0 execute code while writing to data flash memory?
Yes, the R7F102GEC2DNP#AA0 supports Background Operation (BGO) for its 2 KB data flash memory. This allows the CPU to execute instructions from code flash while simultaneously erasing or programming data flash - essential for robust firmware updates and real-time parameter logging without system interruption.
What debug interface does the R7F102GEC2DNP#AA0 use?
The R7F102GEC2DNP#AA0 uses the on-chip debug interface accessed via the TOOL0 (P40) and RESET pins. It supports full-featured debugging, flash programming, and trace capabilities through Renesas E2 studio and compatible debug probes - no external JTAG adapter required.
Is an external crystal required for RTC operation on the R7F102GEC2DNP#AA0?
No - the R7F102GEC2DNP#AA0 includes a built-in 32.768 kHz low-speed on-chip oscillator for RTC operation. However, an external 32.768 kHz crystal can be connected to P121/P122 for higher accuracy (±20 ppm vs. ±200 ppm typical for on-chip oscillator), and P121 also supports VBAT backup for RTC retention during main power loss.
R7F102GEC2DNP#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 40-WFQFN Exposed Pad
- Series:
- RL78/G22
- 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:
- LVD, POR, PWM, WDT
- Number of I/O:
- 33
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 9x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F102GEC2DNP#AA0 FAQ
1.How can I place an order for R7F102GEC2DNP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F102GEC2DNP#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 R7F102GEC2DNP#AA0 reliable?
The price and inventory of R7F102GEC2DNP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F102GEC2DNP#AA0 is usually 5 days.
3.What payment methods are accepted for R7F102GEC2DNP#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F102GEC2DNP#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F102GEC2DNP#AA0?
R7F102GEC2DNP#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F102GEC2DNP#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 R7F102GEC2DNP#AA0?
For technical support, including R7F102GEC2DNP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F102GEC2DNP#AA0 requirements.
6.How does Aetrix verify that R7F102GEC2DNP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F102GEC2DNP#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 R7F102GEC2DNP#AA0 meets industry standards.
7.What is the process for return or replacement of R7F102GEC2DNP#AA0?
All R7F102GEC2DNP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F102GEC2DNP#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 R7F102GEC2DNP#AA0 part is unused and in its original packaging.
Return procedure for R7F102GEC2DNP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7F102GEC2DNP#AA0 Tags
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