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Renesas R7F102GAC2DSP#AA0
- Part No.:
- R7F102GAC2DSP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R7F102GAC2DSP#AA0.pdf
- Description:
- MCU: RL78
- Quantity:
- Payment:
- Shipping:
Inventory:610
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Product details
Overview
R7F102GAC2DSP#AA0 from Renesas is a 30-pin, 32-KB flash, 4-KB RAM RL78/G22 16-bit microcontroller operating from 1.6 to 5.5 V, featuring 37.5 µA/MHz active current, 200 nA STOP mode, and up to 29 capacitive touch sensing channels - deployed in battery-powered industrial HMI and sensor nodes.
For engineers reviewing the R7F102GAC2DSP#AA0 datasheet, R7F102GAC2DSP#AA0 pinout, R7F102GAC2DSP#AA0 application, or R7F102GAC2DSP#AA0 equivalent, key selection criteria include its LSSOP-30 package, -40°C to +85°C temperature grade, integrated RTC and CTSU2La capacitive sensing unit, and support for UARTA/IICA/SAU interfaces with peripheral I/O redirection.
Technical Context
The R7F102GAC2DSP#AA0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 µs (32 MHz high-speed mode) to 30.5 µs (32.768 kHz ultra-low-speed mode), and includes multiply/divide/accumulate instructions with 1 MB address space.
It integrates a SNOOZE mode sequencer (SMS) enabling up to 32 low-power background processes without CPU, flash, or RAM activation, alongside an Event Link Controller (ELC) routing 20 event signals between peripherals and a Data Transfer Controller (DTC) supporting chain transfer across interrupt sources.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Flash / RAM | 32 KB code flash + 2 KB data flash + 4 KB SRAM; supports background rewriting and boot swapping |
| Power Modes | 37.5 µA/MHz active, 200 nA STOP, HALT, and SNOOZE modes with sub-µA wake-up capability |
| Capacitive Sensing | CTSU2La unit supporting up to 29 self-capacitance keys or mutual-capacitance matrix configurations |
| Timers & RTC | Eight 16-bit TAU channels, 32-bit interval timer, and full-featured RTC (1 sec–99 years, alarm, correction) |
| Peripherals | Up to 4 UARTA channels, 6 IICA channels, 5 CSI channels, 10-channel 8/10-bit ADC with internal 1.48 V reference |
| Operating Range | 1.6 V to 5.5 V supply; -40°C to +85°C ambient temperature (consumer-grade thermal spec) |
Pinout & Package
30-pin plastic LSSOP (7.62 mm, 0.65-mm pitch), 300-mil body width, exposed pad not present; requires REGC capacitor (0.47–1 µF) to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10–P12, P14–P17, P20–P23, P25, P26, P30–P31, P40, P50–P51, P60–P61, P120–P122, P137, P147 | Multi-function I/O port | Configurable as digital I/O, analog input (ANI0–ANI19), capacitive sense (TSxx), UART/IICA/SAU, TAU timers, or interrupts (INTPx) |
| VDD / VSS | Power supply rails | Single 1.6–5.5 V supply; VSS serves as analog/digital ground reference for ADC and CTSU |
| RESET | Active-low reset input | Asynchronous reset with internal POR and dual voltage detectors (LVD0/LVD1) |
| X1/X2 / EXCLK / XT1/XT2 | Crystal/oscillator interface | Supports 32.768 kHz crystal (subsystem clock), 1–32 MHz external crystal, or EXCLK input up to 20 MHz |
| REGC | Regulator bypass capacitor terminal | Must be connected to VSS via 0.47–1 µF ceramic capacitor for internal LDO stability |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 pre-programmed low-power operations (e.g., ADC sampling, CTSU scan, register compare) without CPU wake-up |
| Peripheral I/O Redirection (PIOR) | Reassigns up to 8 peripheral functions (e.g., UARTA, IICA, SAU) to alternate pins without PCB change |
| Capacitive Touch Unit (CTSU2La) | Hardware-accelerated self/mutual capacitance sensing with noise immunity, supporting >20-key HMI on 30-pin package |
| Data Flash with BGO | 2 KB data flash enables background rewriting during program execution - critical for logging and firmware parameter storage |
| Realtime Clock (RTC) | Fully autonomous calendar counter (seconds to 99 years), alarm interrupt, and ±1 ppm correction via software calibration |
Applications
| Industrial Sensor Node | Smart Appliance Control Panel |
|---|---|
|
Use Scenario: Battery-operated temperature/humidity sensor node transmitting data via UART to gateway every 5 minutes. IC Role / Device Role / Timing Role: Main controller executing sensor readout, CTSU-based button debounce, RTC-triggered wakeup, and low-power UART transmission. Use Value: 200 nA STOP current extends 2-AA battery life beyond 5 years; SMS handles periodic wake-up and ADC sampling autonomously. |
Use Scenario: Touch-enabled microwave oven control panel with 12 capacitive keys, buzzer feedback, and safety interlock monitoring. IC Role / Device Role / Timing Role: HMI processor managing CTSU2La touch detection, PCLBUZ0/PCLBUZ1 buzzer timing, and real-time safety watchdog supervision. Use Value: Integrated CTSU2La eliminates external touch IC; 32 KB flash accommodates multi-language UI and safety firmware updates. |
| Energy Meter Front-End | IoT Gateway Subsystem |
|
Use Scenario: AC power meter front-end measuring voltage/current via external ADC, calculating kWh, and storing logs in data flash. IC Role / Device Role / Timing Role: Data concentrator interfacing with metrology ADC via SPI, timestamping events with RTC, and managing secure data flash writes. Use Value: Background operation (BGO) allows continuous kWh calculation while writing hourly logs to 2 KB data flash without interrupt latency. |
Use Scenario: Edge gateway subsystem aggregating BLE/Zigbee sensor data and forwarding via UART to host MCU over RS-485. IC Role / Device Role / Timing Role: Protocol bridge handling UARTA framing, IICA sensor reads, and SAU-based signal conditioning for analog inputs. Use Value: ELC enables zero-CPU-latency peripheral chaining (e.g., UART receive → DMA → GPIO toggle), reducing host MCU 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 |
|---|---|---|---|
| R7F102GAE2DSP#AA0 | Same LSSOP-30 package and pinout; 64 KB flash (vs. 32 KB), identical RAM/peripherals/timing specs | Required where firmware image size exceeds 32 KB or future-proofing for feature expansion is needed | Select when additional flash headroom is required without changing layout or firmware architecture |
| R7F102GBC2DNP#AA0 | 32-pin HWQFN (5×5 mm); same 32 KB flash/RAM, adds P62 and P70–P73 pins, removes P120/P147, different thermal profile | Preferred for space-constrained designs needing extra GPIO or KRx keypad scan lines, but requires PCB redesign | Choose only if board layout allows QFN footprint and additional I/O or keypad functionality is essential |
Compared with R7F102GAE2DSP#AA0, the R7F102GAC2DSP#AA0 trades flash capacity for cost-sensitive deployments; versus R7F102GBC2DNP#AA0, it retains LSSOP manufacturability and simplifies assembly at the expense of two GPIOs and no keypad scan support.
Availability
R7F102GAC2DSP#AA0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart appliance HMIs, energy meter front-ends, and IoT gateway subsystems requiring stable component supply across extended production lifecycles.
Supply support for R7F102GAC2DSP#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 industrial, automotive, and infrastructure markets.
The RL78/G22 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated HMI, sensing, and control applications - emphasizing integrated capacitive touch, RTC, and flexible peripheral routing.
FAQ
What is the maximum operating frequency and corresponding supply voltage range for the R7F102GAC2DSP#AA0?
The R7F102GAC2DSP#AA0 operates up to 32 MHz using the high-speed on-chip oscillator, with guaranteed functionality across its full 1.6 V to 5.5 V supply range. At 32 MHz, minimum VDD is 2.7 V per datasheet timing specifications; lower frequencies (e.g., 16 MHz) allow operation down to 1.6 V.
Does the R7F102GAC2DSP#AA0 support hardware debug interfaces, and which pins are used?
Yes, the R7F102GAC2DSP#AA0 supports on-chip debugging via the TOOLRxD (P11), TOOLTxD (P12), and TOOL0 (P40) pins in its LSSOP-30 package. These pins implement the Renesas FINE interface for flash programming and real-time debugging without requiring dedicated JTAG/SWD headers.
How many capacitive touch channels does the R7F102GAC2DSP#AA0 support, and what configuration options exist?
The R7F102GAC2DSP#AA0 supports up to 29 capacitive touch sensing channels via its CTSU2La unit. It enables both self-capacitance (one pin per key) and mutual-capacitance (transmit/receive pin pairs) configurations, with TS00–TS28 pin assignments mapped across its 30-pin LSSOP package.
What is the endurance and retention specification for the data flash memory in the R7F102GAC2DSP#AA0?
The R7F102GAC2DSP#AA0 features 2 KB of data flash memory rated for 1,000,000 write/erase cycles (typical) and 20-year data retention at 85°C. Background operation (BGO) allows concurrent code execution and data flash rewriting, enabling robust logging without system interruption.
Can the R7F102GAC2DSP#AA0 generate precise audio tones, and which peripherals enable this function?
Yes, the R7F102GAC2DSP#AA0 can generate precise audio tones using its PCLBUZ0 (P31) and PCLBUZ1 (P15) buzzer output controllers, which drive external piezo elements with programmable frequency and duty cycle. Tone generation is synchronized to the 32.768 kHz subsystem clock for stable pitch accuracy.
R7F102GAC2DSP#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 30-LSSOP (0.240", 6.10mm Width)
- 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:
- Capacitive Touch, LVD, POR, PWM, WDT
- Number of I/O:
- 25
- 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 8x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F102GAC2DSP#AA0 FAQ
1.How can I place an order for R7F102GAC2DSP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F102GAC2DSP#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 R7F102GAC2DSP#AA0 reliable?
The price and inventory of R7F102GAC2DSP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F102GAC2DSP#AA0 is usually 5 days.
3.What payment methods are accepted for R7F102GAC2DSP#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F102GAC2DSP#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F102GAC2DSP#AA0?
R7F102GAC2DSP#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F102GAC2DSP#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 R7F102GAC2DSP#AA0?
For technical support, including R7F102GAC2DSP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F102GAC2DSP#AA0 requirements.
6.How does Aetrix verify that R7F102GAC2DSP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F102GAC2DSP#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 R7F102GAC2DSP#AA0 meets industry standards.
7.What is the process for return or replacement of R7F102GAC2DSP#AA0?
All R7F102GAC2DSP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F102GAC2DSP#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 R7F102GAC2DSP#AA0 part is unused and in its original packaging.
Return procedure for R7F102GAC2DSP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7F102GAC2DSP#AA0 Tags
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ATTINY4-TSHR
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