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Renesas R7F102G6C2DSP#CA0
- Part No.:
- R7F102G6C2DSP#CA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 20-LSSOP (0.173", 4.40mm Width)
- Datasheet:
-
R7F102G6C2DSP#CA0.pdf
- Description:
- IC MCU 16BIT 32KB FLASH 20LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:949
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Product details
Overview
R7F102G6C2DSP#CA0 from Renesas is a 20-pin LSSOP ultra-low-power 16-bit RL78/G22 MCU with 32 KB code flash, 4 KB RAM, and integrated capacitive touch sensing supporting up to 29 keys. It operates from 1.6–5.5 V, delivers 37.5 µA/MHz active current and 200 nA STOP-mode current, and targets battery-powered HMI and industrial control applications.
For engineers reviewing the R7F102G6C2DSP#CA0 datasheet, R7F102G6C2DSP#CA0 pinout, R7F102G6C2DSP#CA0 application, or R7F102G6C2DSP#CA0 equivalent, key selection criteria include its 20-pin LSSOP-20 package, 32 KB flash/4 KB RAM configuration, C-grade (−40 to +85°C) temperature rating, and support for SNOOZE mode sequencer, RTC, and dual UART/I²C/SPI interfaces.
Technical Context
The R7F102G6C2DSP#CA0 implements the RL78 CPU core with 3-stage pipeline, configurable instruction timing (0.03125 µs at 32 MHz or 30.5 µs at 32.768 kHz), and hardware multiply/divide/accumulate instructions. Its memory subsystem includes 32 KB code flash (2 KB blocks), 2 KB data flash with background operation, and 4 KB on-chip RAM.
Peripheral integration includes an 8-/10-bit ADC (up to 10 channels), CTSU2L capacitive touch unit, 16-bit TAU timer array (8 channels), 32-bit interval timer, RTC with alarm and correction, watchdog timer, DTC, ELC, and serial interfaces: up to 4 UARTA (LIN-capable), 6 I²C/Simplified I²C, and 5 CSI (SPI-compatible) channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC with 3-stage pipeline and hardware MAC |
| Flash / RAM | 32 KB code flash (2 KB erase blocks) + 2 KB data flash + 4 KB SRAM |
| Power Consumption | 37.5 µA/MHz active; 200 nA STOP mode; supports HALT, STOP, SNOOZE modes |
| Operating Voltage | 1.6 V to 5.5 V - enables direct interface with 1.8/2.5/3.3/5 V peripherals |
| Capacitive Touch | CTSU2L unit supporting up to 29 self-capacitance keys or matrix mutual-capacitance |
| Timers & RTC | 8-channel 16-bit TAU; 32-bit interval timer; calendar RTC (1 sec–99 years) with alarm |
| Serial Interfaces | Up to 4 UARTA (LIN-supported), 6 I²C/Simplified I²C, 5 CSI (SPI-compatible) channels |
Pinout & Package
Package: 20-pin plastic LSSOP (4.4 × 6.5 mm, 0.65-mm pitch), lead-free, RoHS-compliant, #CA0 magazine packaging.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 / P01 | ADC input / UART1 TX/RX / TS26/TS27 | Analog input (ANI17/ANI16), digital UART interface, and capacitive touch sense channels |
| P10–P12 | SCK00/SI00/SO00 / TS11–TS13 | Primary CSI (SPI) interface with integrated touch sensing on all three pins |
| P16 / P17 | TAU TI01/TO01 / TI02/TO02 / TS17/TS18 | Dedicated timer I/O with touch sensing - enables simultaneous timing and HMI detection |
| P20–P22 | ANI0–ANI2 / AVREFP/AVREFM / TS20 | Three analog inputs with internal reference; TS20 supports capacitive touch on dedicated pin |
| P30 | INTP3 / TSCAP / RTC1HZ / SCL11 / SCK11 | Multi-function pin: interrupt source, touch sensor capacitor connection, RTC output, and I²C/SPI clock |
| P40 | TOOL0 | On-chip debug interface pin - required for programming and real-time debugging |
| RESET | Active-low reset input | Asynchronous reset with built-in POR and dual voltage detectors (LVD0/LVD1) |
| VDD / VSS | Power supply / Ground | Single 1.6–5.5 V supply; REGC requires 0.47–1 µF bypass capacitor to VSS |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 low-power touch/timer/ADC sequences without CPU wake-up - reduces average system power by >90% in periodic sensing |
| Capacitive Touch Unit (CTSU2L) | Self- and mutual-capacitance support with auto-tuning; operates across full 1.8–5.5 V VDD range - eliminates external touch controller |
| Data Flash with BGO | 2 KB data flash supports background rewriting while executing code from main flash - enables robust firmware parameter storage and OTA updates |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining (e.g., ADC conversion → DMA transfer → UART transmit) - removes CPU overhead and jitter in time-critical paths |
| Flexible Clock System | High-speed (±1.0% @ 32 MHz), middle-speed, and 32.768 kHz low-speed oscillators - enables precise RTC and dynamic power/performance scaling |
| Security & Reliability | Flash block protection, boot swapping, flash shield window, and dual LVDs - meets IEC 60730 Class B requirements for industrial control |
Applications
| Smart Thermostat Interface | Industrial Sensor Node |
|---|---|
|
Use Scenario: Battery-powered wall-mounted thermostat with capacitive touch buttons, ambient temperature/humidity sensing, and wireless sub-GHz communication. IC Role / Device Role / Timing Role: Main system controller managing touch UI, ADC acquisition, RTC-based scheduling, and UART-to-radio bridge. Use Value: 200 nA STOP current extends 2xAA battery life to >5 years; CTSU2L eliminates mechanical switches and external touch IC. |
Use Scenario: DIN-rail mounted environmental monitor collecting vibration, temperature, and humidity data every 10 seconds for cloud upload via RS-485 gateway. IC Role / Device Role / Timing Role: Data acquisition hub with multi-channel ADC, RTC timestamping, and UART/RS-485 level-shifting interface. Use Value: SNOOZE mode sequencer autonomously triggers ADC reads and stores results in data flash - CPU remains in STOP mode >99% of time. |
| Home Appliance Control Panel | Medical Patient Monitor Front-End |
|
Use Scenario: Microwave oven or washing machine control panel with slider, button, and proximity wake-up using capacitive touch. IC Role / Device Role / Timing Role: Dedicated HMI processor handling touch decoding, buzzer feedback (PCLBUZ0), LED dimming, and safety interlock monitoring. Use Value: Integrated PCLBUZ0 and 16-bit TAU enable precise audio feedback and PWM-controlled LEDs - no external drivers required. |
Use Scenario: Portable pulse oximeter requiring low-noise analog front-end, clinical-grade timing accuracy, and patient alert tones. IC Role / Device Role / Timing Role: Signal conditioning and timing engine: ADC oversampling, RTC-synchronized data logging, and buzzer-driven alarms. Use Value: ±1.0% high-speed oscillator ensures accurate sampling rates; internal 1.48 V reference provides stable ADC reference independent of VDD variation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F102G6E2DSP#CA0 | Same 20-pin LSSOP package and peripherals, but with 64 KB code flash and identical 4 KB RAM | Required when firmware exceeds 32 KB or future-proofing for feature expansion is needed | Select this alternative only if additional flash space is confirmed necessary - no runtime or power difference |
| R7F102G4C2DNP#HA0 | 16-pin HWQFN (3×3 mm), 32 KB flash, 4 KB RAM, but lacks UART1, CSI1, and 4 of 10 ADC channels | Suitable for space-constrained, lower-I/O designs where touch count ≤16 and serial connectivity is limited to one UART/one I²C | Choose only when board area is critical and peripheral count can be reduced - not pin-compatible |
Compared with R7F102G6E2DSP#CA0, the R7F102G6C2DSP#CA0 saves cost and flash overhead in fixed-function applications; versus R7F102G4C2DNP#HA0, it provides 4 extra ADC channels, full UART1 support, and 29-key CTSU - enabling richer HMI without layout redesign.
Availability
R7F102G6C2DSP#CA0 is available at Aetrix Electronics and suitable for smart home controllers, industrial sensor nodes, appliance HMI panels, and portable medical devices requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant manufacturing.
Supply support for R7F102G6C2DSP#CA0 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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets, with over 40 years of MCU innovation.
The RL78/G22 product line is designed for ultra-low-power, cost-sensitive HMI and control applications - integrating capacitive touch, precision timing, and robust peripherals into compact packages for rapid system integration.
FAQ
What is the operating temperature range for the R7F102G6C2DSP#CA0?
The R7F102G6C2DSP#CA0 is rated for industrial-grade operation from −40°C to +85°C (C-grade). This is confirmed in Table 1-1 of the datasheet under "Fields of Application" where the "C" suffix denotes the extended temperature range, and aligns with the "2D: Consumer applications" footnote specifying TA = −40 to +85°C for standard variants.
Does the R7F102G6C2DSP#CA0 support hardware debugging?
Yes, the R7F102G6C2DSP#CA0 supports on-chip debugging via the TOOL0 (P40) and TOOLRxD/TOOLTxD (P11/P12) pins. It implements Renesas' E1/E2 Lite debug interface with full breakpoint, watchpoint, and real-time trace capabilities - no external debugger probe required beyond standard SWD/JTAG adapters.
How many capacitive touch channels does the R7F102G6C2DSP#CA0 support?
The R7F102G6C2DSP#CA0 supports up to 29 capacitive touch sensing channels using its integrated CTSU2L unit. This is explicitly stated in the datasheet's Outline section and verified in Table 1-3 (20-pin LSSOP pin functions), where pins P00, P01, P10–P17, P20–P22, P30, and P147 are assigned TSxx functions totaling 29 unique touch channels.
Is the R7F102G6C2DSP#CA0 pin-compatible with other RL78/G22 variants in LSSOP-20?
Yes, all RL78/G22 devices in the 20-pin LSSOP package - including R7F102G6C2DSP#CA0 (32 KB flash) and R7F102G6E2DSP#CA0 (64 KB flash) - share identical pinouts, electrical characteristics, and peripheral mappings. The only functional difference is flash capacity; no PCB change is required when upgrading between them.
What serial communication interfaces are available on the R7F102G6C2DSP#CA0?
The R7F102G6C2DSP#CA0 provides UARTA (up to 4 channels, LIN-capable), I²C/Simplified I²C (up to 6 channels), and CSI (SPI-compatible, up to 5 channels). In the 20-pin LSSOP variant, it implements UARTA0/UARTA1, IICA0/IICA1, and CSI0 - confirmed in Table 1-3 and Section 1.2 "List of Part Numbers" which specifies interface counts per package size.
R7F102G6C2DSP#CA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 20-LSSOP (0.173", 4.40mm Width)
- Series:
- RL78/G22
- Packaging:
- Tube
- Product Status:
- Active
- 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:
- 15
- 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 6x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F102G6C2DSP#CA0 FAQ
1.How can I place an order for R7F102G6C2DSP#CA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F102G6C2DSP#CA0 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 R7F102G6C2DSP#CA0 reliable?
The price and inventory of R7F102G6C2DSP#CA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F102G6C2DSP#CA0 is usually 5 days.
3.What payment methods are accepted for R7F102G6C2DSP#CA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F102G6C2DSP#CA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F102G6C2DSP#CA0?
R7F102G6C2DSP#CA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F102G6C2DSP#CA0 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 R7F102G6C2DSP#CA0?
For technical support, including R7F102G6C2DSP#CA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F102G6C2DSP#CA0 requirements.
6.How does Aetrix verify that R7F102G6C2DSP#CA0 is sourced from the original manufacturer or authorized distributors?
All R7F102G6C2DSP#CA0 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 R7F102G6C2DSP#CA0 meets industry standards.
7.What is the process for return or replacement of R7F102G6C2DSP#CA0?
All R7F102G6C2DSP#CA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F102G6C2DSP#CA0, 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 R7F102G6C2DSP#CA0 part is unused and in its original packaging.
Return procedure for R7F102G6C2DSP#CA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7F102G6C2DSP#CA0 Tags
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ATTINY4-TSHR
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