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Renesas R7F102GBC3CFP#AA0
- Part No.:
- R7F102GBC3CFP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R7F102GBC3CFP#AA0.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,500
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Product details
Overview
R7F102GBC3CFP#AA0 from Renesas is a 32-pin LQFP-packaged RL78/G22 16-bit microcontroller with 32 KB code flash, 4 KB RAM, and 2 KB data flash, operating from 1.6 to 5.5 V. It delivers ultra-low power consumption (37.5 µA/MHz active, 200 nA STOP mode), integrates 10-channel 10-bit ADC, RTC, capacitive touch sensing (up to 29 keys), and supports UART, I²C, and SPI interfaces for embedded control in battery-powered industrial sensors.
For engineers reviewing the R7F102GBC3CFP#AA0 datasheet, R7F102GBC3CFP#AA0 pinout, R7F102GBC3CFP#AA0 application, or R7F102GBC3CFP#AA0 equivalent, key selection criteria include its 32-pin LQFP-0.8 mm pitch package, -40 to +105°C industrial temperature grade, integrated CTSU2La capacitive sensing unit, and support for SNOOZE mode sequencer for autonomous 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 or 30.5 µs at 32.768 kHz ultra-low-speed mode) and includes multiply/divide/accumulate instructions. Its memory subsystem features 32 KB on-chip code flash (2 KB block size), 2 KB data flash with background operation (BGO), and 4 KB SRAM.
Peripheral integration includes an 8-/10-bit ADC with internal 1.48 V reference and temperature sensor, real-time clock with alarm and correction, watchdog timer, event link controller (ELC) for 20 configurable peripheral event triggers, and serial interfaces: up to 4 UARTA channels (LIN-capable), 6 I²C/Simplified I²C channels, and 5 Simplified SPI (CSI) channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and configurable instruction timing |
| Operating Voltage | 1.6–5.5 V - enables direct interface with 1.8 V, 2.5 V, 3.3 V, and 5 V peripherals |
| Power Consumption | 37.5 µA/MHz active, 200 nA STOP mode - extends battery life in portable industrial devices |
| Memory | 32 KB code flash (2 KB blocks), 2 KB data flash (1M rewrite cycles), 4 KB RAM |
| ADC | 10-bit resolution, 10 analog inputs, internal 1.48 V reference and temperature sensor |
| Capacitive Sensing | CTSU2La unit supporting up to 29 self-capacitance keys or matrix mutual-capacitance configurations |
| Timers | Eight 16-bit TAU channels, 32-bit interval timer (1×32-bit, 2×16-bit, 4×8-bit modes), RTC, WDT |
Pinout & Package
32-pin LQFP package (7 × 7 mm, 0.80-mm pitch), no exposed die pad, industrial-grade (-40 to +105°C) with lead-free RoHS-compliant finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10 | SCK00/SCL00/TS11 | SPI clock or I²C clock input/output; capacitive touch sense channel 11 |
| P11 | SI00/RxD0/TOOLRxD/SDA00/TS12 | SPI input, UART0 receive, debug RX, I²C data, touch sense 12 |
| P12 | SO00/TxD0/TOOLTxD/TS13 | SPI output, UART0 transmit, debug TX, touch sense 13 |
| P13 | TxD2/SO20/(SDAA0)/(TI04)/(TO04)/TS14 | UART2 transmit, SPI2 output, optional SDAA0, touch sense 14 |
| P14 | RxD2/SI20/SDA20/(SCLA0)/(TI03)/(TO03)/TS15 | UART2 receive, SPI2 input, I²C2 data, optional SCLA0, touch sense 15 |
| P15 | PCLBUZ1/SCK20/SCL20/(TI02)/(TO02)/TS16 | Buzzer output, SPI2 clock, I²C2 clock, touch sense 16 |
| P16 | TI01/TO01/INTP5/TS17/(RxD0) | Timer input/output, external interrupt 5, touch sense 17, optional UART0 RX remap |
| P17 | TI02/TO02/TS18/(TxD0) | Timer input/output, touch sense 18, optional UART0 TX remap |
| P20–P23 | ANI0–ANI3/AVREFP/AVREFM/TS20–TS21 | Analog inputs 0–3 with voltage reference pins and touch sense 20–21 |
| P30 | INTP3/TSCAP/RTC1HZ/SCL11/SCK11 | External interrupt 3, touch sensor capacitor connection, RTC 1 Hz output, I²C1 clock, SPI1 clock |
| P31 | TI03/TO03/INTP4/TS01/PCLBUZ0 | Timer input/output, external interrupt 4, touch sense 1, buzzer output 0 |
| P40 | TOOL0 | On-chip debug interface signal for programming and trace |
| RESET | Active-low reset input | Hardware reset trigger with internal POR and LVD supervision |
| VDD / VSS | Power supply / Ground | Single 1.6–5.5 V supply rail; decoupling required per datasheet layout guidelines |
| X1 / X2 | Crystal oscillator inputs | Supports 32.768 kHz crystal for RTC or high-frequency crystals up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 autonomous touch-sensing or ADC polling steps without CPU, flash, or RAM activation - reduces average system power by >90% during idle sensing intervals |
| Capacitive Touch Sensing Unit (CTSU2La) | Supports self-capacitance (29 keys) or mutual-capacitance matrix; operates across full 1.8–5.5 V VDD range with built-in noise immunity and auto-calibration |
| Data Flash with 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 |
| Event Link Controller (ELC) | Routes 20 peripheral events (e.g., ADC end-of-conversion, timer overflow) directly to other peripherals without CPU intervention - eliminates ISR latency and software overhead |
| Ultra-Low-Power STOP Mode with Fast Wakeup | 200 nA retention current with sub-4 µs wakeup to full-speed operation using high-speed on-chip oscillator - ideal for duty-cycled sensor nodes |
Applications
| Industrial Sensor Node | Smart Thermostat Control |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity/pressure sensor transmitting data via UART-to-LoRaWAN gateway every 5 minutes. IC Role / Device Role: Main system controller managing ADC sampling, CTSU-based button interface, RTC-triggered wakeup, and UART communication. Use Value: 200 nA STOP current and SNOOZE sequencer enable >5-year CR2032 battery life; integrated 10-bit ADC eliminates external signal conditioning. |
Use Scenario: Wall-mounted HVAC controller with capacitive touch buttons, ambient temperature sensing, and relay-driven valve actuation. IC Role / Device Role: Human-machine interface (HMI) processor handling touch detection, thermal monitoring, and PWM fan control. Use Value: CTSU2La supports 29-key overlay without external IC; 1.6–5.5 V operation allows direct 3.3 V MCU supply and 5 V relay driver interface. |
| Programmable Logic Controller (PLC) I/O Module | Asset Tracking Beacon |
|
Use Scenario: DIN-rail mounted 4–20 mA analog input module with isolated UART backhaul to central controller. IC Role / Device Role: Signal acquisition and protocol translation engine performing ADC conversion, linearization, and Modbus RTU framing. Use Value: On-chip 1.48 V reference ensures ±0.5% ADC accuracy over temperature; ELC links ADC EOC to UART transmit trigger for deterministic latency. |
Use Scenario: GPS-denied indoor asset tag reporting location via BLE beaconing and motion-triggered accelerometer wake-up. IC Role / Device Role: Low-power coordinator managing accelerometer interrupt, RTC timestamping, and BLE UART bridge logic. Use Value: 37.5 µA/MHz active current and STOP-mode wakeup from external interrupt enable multi-month coin-cell operation; integrated RTC provides precise time-stamping without external crystal. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F102GBE3CFP#AA0 | Same package and pinout; 64 KB code flash, 2 KB data flash, 4 KB RAM | Required when firmware exceeds 32 KB or field-upgradable code partitioning is needed | Select R7F102GBE3CFP#AA0 only if additional flash capacity is confirmed necessary; identical peripheral set and power profile |
| R7F102GCC3CLA#AC0 | 36-pin WFLGA (4 × 4 mm), 32 KB flash, same 4 KB RAM/2 KB data flash, -40 to +105°C | Used where PCB space constraints favor smaller footprint over LQFP ease of assembly | R7F102GCC3CLA#AC0 offers higher pin count (36 vs. 32) and finer pitch (0.5 mm); requires rework of layout and stencil - not drop-in compatible |
Compared with R7F102GBC3CFP#AA0, R7F102GBE3CFP#AA0 provides double code flash without altering power or peripheral behavior, while R7F102GCC3CLA#AC0 trades LQFP manufacturability for compact WFLGA packaging and two extra I/O pins - both require explicit validation for pin mapping, thermal, and signal integrity in target designs.
Availability
R7F102GBC3CFP#AA0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostats, PLC I/O modules, and asset tracking beacons requiring stable component supply, long-term lifecycle assurance, and automotive-qualified manufacturing traceability.
Supply support for R7F102GBC3CFP#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 IoT markets.
The RL78/G22 product line targets cost-sensitive, ultra-low-power embedded control applications requiring robust capacitive touch, precision analog, and deterministic real-time response - designed specifically for industrial HMI, sensor fusion, and battery-operated edge nodes.
FAQ
What is the maximum operating frequency and corresponding supply voltage range for R7F102GBC3CFP#AA0?
R7F102GBC3CFP#AA0 supports up to 32 MHz operation using the high-speed on-chip oscillator with ±1.0% accuracy across 1.8–5.5 V supply. At 32 MHz, minimum VDD is 2.7 V per datasheet Section 18.1 Absolute Maximum Ratings; operation below 2.7 V requires reduced frequency scaling per the CPU clock configuration register settings.
Does R7F102GBC3CFP#AA0 support hardware debugging, and what interface is used?
Yes, R7F102GBC3CFP#AA0 supports on-chip debugging via the TOOL0 pin (Pin 1) and RESET pin (Pin 2), implementing Renesas' FINE (Flash INterface Emulator) debug interface. This enables full breakpoint, step-through, and memory inspection capabilities using E2 studio or CS+ IDE with a compatible debug probe such as E2 Lite or E2 emulator.
How many capacitive touch channels does R7F102GBC3CFP#AA0 support, and what methods are available?
R7F102GBC3CFP#AA0 integrates the CTSU2La unit supporting up to 29 capacitive touch channels. It supports self-capacitance mode (one pin per key) and mutual-capacitance matrix mode (separate TX/RX pin pairs). Pin assignment is flexible: TS00–TS28 are dedicated touch sense inputs, with up to 29 usable across the 32-pin LQFP package depending on shared peripheral functions.
What is the endurance and retention specification for the data flash memory in R7F102GBC3CFP#AA0?
The data flash memory in R7F102GBC3CFP#AA0 is rated for 1,000,000 write/erase cycles (typical) and guarantees data retention for 20 years at +85°C or 40 years at +25°C. Background operation (BGO) allows code execution from main flash during data flash writes, enabling seamless parameter updates without system interruption.
Can R7F102GBC3CFP#AA0 operate from a single 3.3 V supply, and which peripherals remain functional at that voltage?
Yes, R7F102GBC3CFP#AA0 operates fully across 1.6–5.5 V, including standard 3.3 V systems. At 3.3 V, all peripherals function per specification: 10-bit ADC (with internal 1.48 V reference), CTSU2La (1.8–5.5 V operational range), UART/I²C/SPI interfaces, RTC, timers, and GPIO with TTL/CMOS-compatible thresholds. No peripheral de-rating is required.
R7F102GBC3CFP#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-LQFP
- 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:
- 27
- 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 ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F102GBC3CFP#AA0 FAQ
1.How can I place an order for R7F102GBC3CFP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F102GBC3CFP#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 R7F102GBC3CFP#AA0 reliable?
The price and inventory of R7F102GBC3CFP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F102GBC3CFP#AA0 is usually 5 days.
3.What payment methods are accepted for R7F102GBC3CFP#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F102GBC3CFP#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F102GBC3CFP#AA0?
R7F102GBC3CFP#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F102GBC3CFP#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 R7F102GBC3CFP#AA0?
For technical support, including R7F102GBC3CFP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F102GBC3CFP#AA0 requirements.
6.How does Aetrix verify that R7F102GBC3CFP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7F102GBC3CFP#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 R7F102GBC3CFP#AA0 meets industry standards.
7.What is the process for return or replacement of R7F102GBC3CFP#AA0?
All R7F102GBC3CFP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F102GBC3CFP#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 R7F102GBC3CFP#AA0 part is unused and in its original packaging.
Return procedure for R7F102GBC3CFP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7F102GBC3CFP#AA0 Tags
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