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Renesas R7F102GGE3CNP#AA0
- Part No.:
- R7F102GGE3CNP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R7F102GGE3CNP#AA0.pdf
- Description:
- MCU:RL78
- Quantity:
- Payment:
- Shipping:
Inventory:2,154
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Product details
Overview
R7F102GGE3CNP#AA0 from Renesas is a 48-pin RL78/G22 16-bit microcontroller with 64 KB code flash, 4 KB RAM, and 2 KB data flash, operating from 1.6 to 5.5 V. It delivers true low-power operation (37.5 µA/MHz active, 200 nA STOP mode), integrates up to 29 capacitive touch sensors, and supports UART, I²C, SPI, RTC, and 16-bit timers - ideal for battery-powered industrial HMI and sensor nodes.
For engineers reviewing the R7F102GGE3CNP#AA0 datasheet, R7F102GGE3CNP#AA0 pinout, R7F102GGE3CNP#AA0 application, or R7F102GGE3CNP#AA0 equivalent, key selection criteria include its HWQFN-48 (7 × 7 mm, 0.50-mm pitch) package, -40 to +105°C industrial temperature grade, 64 KB flash capacity, CTSU2La capacitive sensing unit, and SNOOZE mode sequencer for ultra-low-power event-driven wake-up.
Technical Context
The R7F102GGE3CNP#AA0 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting configurable instruction execution times from 0.03125 µs (32 MHz high-speed oscillator) to 30.5 µs (32.768 kHz subsystem clock). It features a dedicated SNOOZE mode sequencer (SMS) enabling up to 32 low-power background processes without CPU, RAM, or flash activation.
Its peripheral set includes an Event Link Controller (ELC) routing 20 event signals between peripherals, a Data Transfer Controller (DTC) with chain transfer, and a capacitive sensing unit (CTSU2La) supporting both self- and mutual-capacitance methods across up to 29 pins - all operating within the 1.6–5.5 V supply range and qualified for industrial ambient temperatures (-40 to +105°C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time control with low gate count and power efficiency. |
| Flash Memory | 64 KB code flash + 2 KB data flash; supports background operation (BGO) and 1M write cycles for robust firmware/data logging. |
| Operating Voltage | 1.6 V to 5.5 V; allows direct interface with 1.8 V, 2.5 V, 3.3 V, and 5 V peripherals without level shifters. |
| Low-Power Modes | STOP mode current ≤200 nA; HALT and SNOOZE modes enable rapid wake-up and autonomous peripheral sequencing without CPU involvement. |
| Capacitive Sensing | CTSU2La unit supports up to 29 keys via self-capacitance or matrix mutual-capacitance; eliminates external touch controller ICs. |
| Timers & RTC | Eight 16-bit timer channels + 32-bit interval timer + hardware RTC (alarm, correction, 1-s to 99-y counting); enables precise timekeeping and scheduling in energy-constrained systems. |
| Communication Interfaces | Up to 6 I²C/Simplified I²C, 4 UART/UARTA (LIN-capable), and 5 CSI (SPI-compatible) channels; provides flexible multi-sensor and actuator connectivity. |
Pinout & Package
Package: HWQFN-48 (7 × 7 mm, 0.50-mm pitch), exposed die pad, industrial-grade (-40 to +105°C) with lead-free RoHS-compliant finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P122 / X2 / EXCLK / XT2 / EXCLKS | Crystal/resonator input or external clock input | Supports high-accuracy timing via 32.768 kHz crystal (RTC) or up to 20 MHz external clock source. |
| P121 / X1 / XT1 / VBAT | Crystal/resonator input or backup battery supply | Enables RTC retention during main power loss when VBAT is connected to coin cell or supercap. |
| P30 / INTP3 / TSCAP / RTC1HZ / SCL11 / SCK11 | Interrupt input / touch sensor reference / RTC output / I²C clock | Multi-function pin serving as CTSU2La reference capacitor connection, 1-Hz RTC tick output, and dual I²C/SPI clock channel. |
| P17 / TI02 / TO02 / TS18 / SO11 / SDA11 | Timer input/output / touch sense / serial output / I²C data | Combines timer capture/compare, capacitive sensing electrode, and dual serial interface (SAU/IICA) functions for compact peripheral routing. |
| P10–P12 / SCK00/SCL00 / SI00/RxD0/SDA00 / SO00/TxD0 | Primary CSI/I²C/UART channel pins | Three adjacent pins form a dedicated, noise-immune serial interface bank supporting simultaneous SPI, I²C, and UART protocols. |
| P60 / SCLA0, P61 / SDAA0 | Dedicated I²C bus A clock and data | Hardware I²C interface isolated from multiplexed ports - ensures reliable communication with sensors and EEPROMs without software bit-banging. |
| REGC | Regulator bypass capacitor terminal | Requires 0.47–1 µF capacitor to VSS for internal LDO stability; omission causes erratic reset or brown-out behavior. |
| VDD / VSS | Main power supply and ground | Single 1.6–5.5 V supply simplifies power design; exposed die pad must be connected to VSS for thermal and EMI performance. |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 autonomous commands (e.g., ADC sampling, CTSU scan, timer compare) without CPU wake-up - reduces average system current by >90% in periodic sensing. |
| Capacitive Touch Unit (CTSU2La) | Supports 29 electrodes with self- or mutual-capacitance configuration; achieves <50 ms full-key scan at 3.3 V, eliminating mechanical buttons and external touch controllers. |
| Data Flash with BGO | 2 KB data flash supports background rewriting while executing code from main flash - enables safe over-the-air updates and nonvolatile parameter storage without interrupting real-time tasks. |
| Event Link Controller (ELC) | Routes 20 peripheral events (e.g., ADC end-of-conversion, timer overflow) directly to other peripherals (e.g., DTC trigger, PWM start) - removes CPU polling and ISR latency for deterministic response. |
| Multi-Speed On-Chip Oscillators | High-speed (1–32 MHz ±1.0%), middle-speed (1–4 MHz adjustable), and low-speed (32.768 kHz adjustable) oscillators - eliminate external crystals for most applications while maintaining RTC accuracy and fast wake-up. |
Applications
| Industrial Control Panel | Smart Sensor Node |
|---|---|
Use Scenario: Local HMI on factory-floor motor drives with touch buttons, status LEDs, and RS-485 communication. IC Role / Device Role / Timing Role: Main controller managing capacitive touch inputs, driving LED indicators via PWM, and handling Modbus RTU over UARTA with hardware parity and framing. Use Value: Integrated CTSU2La replaces discrete touch ICs; 64 KB flash accommodates dual-application firmware; STOP mode extends battery life during idle periods. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and air quality in HVAC ducts. IC Role / Device Role / Timing Role: System-on-chip performing ADC conversions, CTSU-based button wake-up, RTC-triggered periodic sampling, and I²C sensor reads. Use Value: SNOOZE mode sequencer autonomously initiates sensor reads and stores results in data flash - CPU remains in STOP mode >99% of time, achieving multi-year battery life. |
| Home Appliance Control Board | Medical Wearable Interface |
Use Scenario: Front-panel controller in induction cooktops with slider controls, thermal protection, and buzzer feedback. IC Role / Device Role / Timing Role: Real-time coordinator of capacitive slider position, NTC thermistor readings, PWM-heater control, and piezo buzzer tone generation via PCLBUZ units. Use Value: On-chip 10-bit ADC with internal 1.48 V reference eliminates external voltage reference; PCLBUZ0/PCLBUZ1 generate precise audio tones without external drivers. | Use Scenario: Low-power patient monitor with touch-activated display, motion detection, and Bluetooth LE host interface. IC Role / Device Role / Timing Role: Sensor hub aggregating accelerometer data via I²C, processing touch gestures, and managing BLE UART bridge using hardware flow control. Use Value: 48-pin HWQFN provides sufficient I/O for multiple sensors and debug interfaces; 200 nA STOP current meets stringent wearable battery requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F102GGC3CNP#AA0 | Same package and pinout; 32 KB code flash instead of 64 KB; identical peripherals and low-power features. | Suitable for cost-sensitive designs with smaller firmware footprints (<32 KB) and no need for dual-bank boot swapping. | Select when firmware size is confirmed ≤28 KB and BGO-based field updates are not required. |
| RA2E1A00CDJ#AC0 | Arm Cortex-M23 core; 64 KB flash, 16 KB SRAM; higher DMIPS/MHz but larger code size and ~2× active current (70 µA/MHz). | Better for complex protocol stacks (USB, TLS) or future scalability; less optimal for ultra-low-power periodic wake-up scenarios. | Choose if migrating to Arm ecosystem, requiring TrustZone security, or needing >16 KB RAM for buffering. |
Compared with R7F102GGE3CNP#AA0, R7F102GGC3CNP#AA0 offers identical industrial qualification and packaging but halves flash capacity for cost reduction, while RA2E1A00CDJ#AC0 trades RL78's ultra-low-power determinism for Arm's software ecosystem and compute headroom - making the former optimal for touch-centric, battery-critical industrial devices.
Availability
R7F102GGE3CNP#AA0 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, home appliance control boards, and medical wearable interfaces requiring stable component supply, long-term lifecycle support, and guaranteed industrial temperature compliance.
Supply support for R7F102GGE3CNP#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 cost-optimized, ultra-low-power embedded control applications - emphasizing capacitive touch integration, extended battery life, and simplified system design for industrial and consumer appliances.
FAQ
What is the maximum operating frequency and supply voltage range for the R7F102GGE3CNP#AA0?
The R7F102GGE3CNP#AA0 operates at up to 32 MHz using its high-speed on-chip oscillator (±1.0% accuracy) and supports a wide supply range of 1.6 V to 5.5 V. This enables direct interfacing with legacy 5 V logic, modern 3.3 V sensors, and low-voltage battery systems without external regulators - a key enabler for single-rail industrial designs.
Does the R7F102GGE3CNP#AA0 support hardware debugging and programming after soldering?
Yes, the R7F102GGE3CNP#AA0 includes on-chip debugging support via the TOOLRxD/TOOLTxD pins (P11/P12) and TOOL0 (P40), compatible with Renesas E2 studio and E2 Lite debuggers. It supports full SWD-style debugging, flash programming, and real-time trace - even in the final HWQFN-48 package - without requiring external JTAG headers.
How many capacitive touch channels does the R7F102GGE3CNP#AA0 support, and what configuration options exist?
The R7F102GGE3CNP#AA0 integrates the CTSU2La unit supporting up to 29 capacitive touch electrodes. It operates in self-capacitance mode (one pin per key) or mutual-capacitance matrix mode (separate TX/RX pins selected from up to 29 pins), enabling flexible layout for sliders, wheels, or dense keypads - all without external components.
What are the key low-power modes available on the R7F102GGE3CNP#AA0, and how do they differ?
The R7F102GGE3CNP#AA0 offers HALT (CPU stopped, peripherals active), STOP (all clocks halted, 200 nA typical), and SNOOZE (peripheral sequencer active, CPU/RAM/flash off). Unlike HALT or STOP, SNOOZE mode allows autonomous ADC sampling, CTSU scanning, or timer compares - reducing average current by orders of magnitude in periodic sensing applications.
Is the R7F102GGE3CNP#AA0 pin-compatible with other RL78/G22 variants in the same package?
Yes, all RL78/G22 devices in the HWQFN-48 package - including R7F102GGE3CNP#AA0 (64 KB flash) and R7F102GGC3CNP#AA0 (32 KB flash) - share identical pinouts, electrical characteristics, and package dimensions. This enables seamless firmware reuse and hardware scalability without PCB redesign.
R7F102GGE3CNP#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-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:
- 40
- Program Memory Size:
- 64KB (64K 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 10x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F102GGE3CNP#AA0 FAQ
1.How can I place an order for R7F102GGE3CNP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F102GGE3CNP#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 R7F102GGE3CNP#AA0 reliable?
The price and inventory of R7F102GGE3CNP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F102GGE3CNP#AA0 is usually 5 days.
3.What payment methods are accepted for R7F102GGE3CNP#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F102GGE3CNP#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F102GGE3CNP#AA0?
R7F102GGE3CNP#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F102GGE3CNP#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 R7F102GGE3CNP#AA0?
For technical support, including R7F102GGE3CNP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F102GGE3CNP#AA0 requirements.
6.How does Aetrix verify that R7F102GGE3CNP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F102GGE3CNP#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 R7F102GGE3CNP#AA0 meets industry standards.
7.What is the process for return or replacement of R7F102GGE3CNP#AA0?
All R7F102GGE3CNP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F102GGE3CNP#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 R7F102GGE3CNP#AA0 part is unused and in its original packaging.
Return procedure for R7F102GGE3CNP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7F102GGE3CNP#AA0 Tags
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