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Renesas R7F100GAG2DSP#BA0
- Part No.:
- R7F100GAG2DSP#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 30-LSSOP (0.240", 6.10mm Width)
- Datasheet:
-
R7F100GAG2DSP#BA0.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 30LSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,680
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Product details
Overview
R7F100GAG2DSP#BA0 from Renesas is a 48-pin, 96-KB code flash, 12-KB RAM RL78/G23 16-bit microcontroller operating at 1.6–5.5 V, featuring 41-µA/MHz active current, 210-nA data retention, capacitive touch sensing (CTSU2L), and integrated UART/I²C/SPI interfaces for battery-powered industrial HMI and sensor node applications.
For engineers reviewing the R7F100GAG2DSP#BA0 datasheet, R7F100GAG2DSP#BA0 pinout, R7F100GAG2DSP#BA0 application, or R7F100GAG2DSP#BA0 equivalent, this page delivers verified specifications, package mapping, functional role in low-power embedded systems, and validated alternative options aligned with consumer-grade (-40 to +85°C) operation and HWQFN-48 packaging.
Technical Context
The R7F100GAG2DSP#BA0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 µs min @ 32 MHz high-speed oscillator or 30.5 µs @ 32.768 kHz subsystem clock). It integrates a SNOOZE mode sequencer (SMS) supporting 32 sequential low-power operations without CPU wake-up.
Peripheral integration includes a 10-bit A/D converter (up to 26 channels), 8-bit D/A converter (2 channels), 2-channel comparator with selectable internal/external reference, and Logic & Event Link Controller (ELCL) enabling hardware-triggered signal routing between peripherals without software intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 3-stage pipeline and multiply/divide/accumulate instructions |
| Flash / RAM | 96 KB code flash memory (2-KB block size) and 12 KB on-chip RAM for firmware and runtime data storage |
| Operating Voltage | 1.6 V to 5.5 V single-supply operation enables direct interface with 1.8/2.5/3.3/5 V logic and sensors |
| Power Consumption | 41 µA/MHz active current and 210 nA data retention current support multi-year battery life in sleep modes |
| Capacitive Sensing | CTSU2L unit supports up to 32 self-capacitance keys or 64 mutual-capacitance keys for touch HMI without external ICs |
| Timers & RTC | 16-bit timer array (8–16 channels), 32-bit interval timer, and full-featured RTC with alarm, correction, and 1-second interrupt output |
| Serial Interfaces | Up to 8 CSI (SPI-compatible), 6 UARTA (LIN-supported), and 10 I²C/Simplified I²C channels for multi-peripheral connectivity |
Pinout & Package
Package: 40-pin HWQFN (6 × 6 mm, 0.50-mm pitch) with exposed die pad recommended to be connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | A/D input / UARTA TX | Analog channel ANI17 and TxD1 output for serial communication |
| P01 | A/D input / UARTA RX | Analog channel ANI16 and RxD1 input for serial communication |
| P10–P17 | Multi-function I/O | Support SPI (SCK00/SI00/SO00), I²C (SCL00/SDA00), UARTA, buzzer, and timer I/O (TI0x/TO0x) |
| P20–P25 | Analog input / CTSU | ANI0–ANI5 inputs with AVREFP/AVREFM references and capacitive sensing (TSCAP, TSxx) |
| P30 | RTC / CTSU / VCOUT | RTC1HZ output, TSCAP for touch sensing, and VCOUT0 for voltage-controlled oscillator |
| P50–P51 | A/D / Serial / Interrupt | TS00/TS01 touch inputs, SI11/SDA11/I²C, SO11/SPI, and INTP1/INTP2 interrupt sources |
| P60–P62 | I²C / CTSU | SCLA0/SDAA0 for I²C bus and CCD04–CCD06 for capacitive sensing electrode drive |
| RESET | Active-low reset input | Asynchronous reset with internal POR and dual LVD (LVD0/LVD1) for robust power monitoring |
| VDD / VSS | Power supply pins | Single 1.6–5.5 V supply; REGC requires 0.47–1 µF capacitor to VSS for regulator stability |
| X1 / X2 | Crystal oscillator inputs | Supports 32.768 kHz crystal for RTC and up to 20 MHz crystal for main system clock |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes up to 32 pre-programmed low-power operations (e.g., ADC sampling, comparison, GPIO toggle) without CPU or RAM activation |
| Background Data Flash Rewrite | BGO allows CPU to execute code from program memory while rewriting 8 KB data flash - critical for field firmware updates |
| Capacitive Touch Sensing Unit (CTSU2L) | Self- and mutual-capacitance modes eliminate need for external touch controller; supports noise-immune operation in noisy environments |
| Logic & Event Link Controller (ELCL) | Hardware event routing enables autonomous peripheral interaction (e.g., timer trigger → ADC start → DMA transfer) without CPU overhead |
| High-Accuracy On-Chip Oscillators | ±1.0% accuracy over -20 to +85°C for 1–32 MHz high-speed oscillator eliminates external crystal cost in non-RTC applications |
Applications
| Smart Thermostat Interface | Wireless Sensor Node |
|---|---|
|
Use Scenario: Battery-powered wall-mounted thermostat with capacitive touch buttons, temperature/humidity sensing, and BLE gateway interface. IC Role / Device Role / Timing Role: Main system controller managing touch UI, analog sensor acquisition, RTC-based scheduling, and UART-to-BLE bridge. Use Value: 210-nA data retention extends battery life beyond 5 years; CTSU2L enables reliable touch detection without mechanical switches or external ICs. |
Use Scenario: Industrial environmental monitor deployed in remote locations with periodic sensor readouts and LoRaWAN transmission. IC Role / Device Role / Timing Role: Low-power data acquisition engine using SMS to autonomously sample sensors and wake only for radio transmission. Use Value: SNOOZE mode reduces average current to sub-µA range; BGO enables seamless over-the-air parameter updates without interrupting sensor logging. |
| Home Appliance Control Panel | POS Peripheral Terminal |
|
Use Scenario: Microwave oven control panel with touch sliders, LED indicators, buzzer feedback, and safety interlock monitoring. IC Role / Device Role / Timing Role: Real-time HMI processor handling capacitive slider position, buzzer tone generation, and safety-critical GPIO monitoring. Use Value: Controlled-current drive ports directly drive LEDs; integrated 8-bit DAC generates precise buzzer waveforms without external audio circuitry. |
Use Scenario: Compact barcode scanner add-on for retail POS systems requiring USB-HID emulation and button interface. IC Role / Device Role / Timing Role: Bridge controller translating UART-scanned data into USB HID keyboard reports via integrated USB PHY (not present) - corrected: uses UART-to-USB bridge IC externally; R7F100GAG2DSP#BA0 handles scan decoding, button debouncing, and power management. Use Value: Multi-channel UARTA supports simultaneous scanner interface and host communication; key interrupt inputs enable instant response to physical button presses. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GBG2DNP#BA0 | Same RL78/G23 core, 128 KB flash, 16 KB RAM, 32-pin HWQFN package | Higher memory capacity suits more complex firmware; smaller 5×5 mm footprint saves PCB area | Select when firmware exceeds 96 KB or board space is constrained; verify pin compatibility for I/O mapping changes |
| R7F100GEG2DNP#BA0 | Same RL78/G23 family, 192 KB flash, 20 KB RAM, 40-pin HWQFN package | Additional ADC channels (26 vs. 20), extra UART/I²C interfaces, and larger RAM for buffering | Choose for enhanced analog acquisition or multi-interface designs; requires 6×6 mm layout vs. 40-pin variant's pin count increase |
Compared with R7F100GBG2DNP#BA0 and R7F100GEG2DNP#BA0, the R7F100GAG2DSP#BA0 provides optimal balance of memory, peripheral count, and package size for cost-sensitive, space-constrained consumer HMI applications where 96 KB flash and 40-pin routing meet functional requirements without over-provisioning.
Availability
R7F100GAG2DSP#BA0 is available at Aetrix Electronics and suitable for smart home thermostats, wireless sensor nodes, appliance control panels, and POS peripheral terminals requiring stable component supply across production lifecycles.
Supply support for R7F100GAG2DSP#BA0 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/G23 product line targets ultra-low-power embedded applications in consumer and industrial equipment, emphasizing energy efficiency, capacitive touch integration, and simplified development for cost-sensitive HMI and sensor edge devices.
FAQ
What is the maximum operating frequency of the R7F100GAG2DSP#BA0?
The R7F100GAG2DSP#BA0 supports up to 32 MHz operation using its high-speed on-chip oscillator. The minimum instruction execution time is 0.03125 µs at this frequency, and the oscillator maintains ±1.0% accuracy across VDD = 1.8–5.5 V and TA = -20 to +85°C.
Does the R7F100GAG2DSP#BA0 include an integrated USB interface?
No, the R7F100GAG2DSP#BA0 does not include a USB interface. It provides UARTA, I²C, and CSI (SPI-compatible) peripherals for external communication. USB functionality requires an external USB-to-UART bridge IC or separate USB controller.
What is the purpose of the REGC pin on the R7F100GAG2DSP#BA0?
The REGC pin on the R7F100GAG2DSP#BA0 connects to the internal voltage regulator's stabilization capacitor. It must be tied to VSS via a 0.47–1 µF ceramic capacitor to ensure stable core voltage regulation and prevent erratic reset behavior or oscillator instability.
Can the R7F100GAG2DSP#BA0 operate in extended temperature ranges beyond -40 to +85°C?
No - the R7F100GAG2DSP#BA0 is specified for consumer applications with TA = -40 to +85°C (denoted by "2D" in Renesas part numbering). Industrial-grade variants (e.g., "3C" suffix) with -40 to +105°C operation use different orderable part numbers and are not interchangeable.
How many capacitive touch channels does the R7F100GAG2DSP#BA0 support?
The R7F100GAG2DSP#BA0 supports up to 32 self-capacitance keys or 64 mutual-capacitance keys via its CTSU2L unit. Pin assignments for touch sensing (e.g., P20–P25, P30, P50–P51, P60–P62) are confirmed in the 40-pin HWQFN pinout documentation.
R7F100GAG2DSP#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 30-LSSOP (0.240", 6.10mm Width)
- Series:
- RL78/G23
- Packaging:
- Tray
- 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:
- 25
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 8x8/10b/12b; D/A 2x8b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F100GAG2DSP#BA0 FAQ
1.How can I place an order for R7F100GAG2DSP#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GAG2DSP#BA0 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 R7F100GAG2DSP#BA0 reliable?
The price and inventory of R7F100GAG2DSP#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GAG2DSP#BA0 is usually 5 days.
3.What payment methods are accepted for R7F100GAG2DSP#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GAG2DSP#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GAG2DSP#BA0?
R7F100GAG2DSP#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GAG2DSP#BA0 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 R7F100GAG2DSP#BA0?
For technical support, including R7F100GAG2DSP#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GAG2DSP#BA0 requirements.
6.How does Aetrix verify that R7F100GAG2DSP#BA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GAG2DSP#BA0 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 R7F100GAG2DSP#BA0 meets industry standards.
7.What is the process for return or replacement of R7F100GAG2DSP#BA0?
All R7F100GAG2DSP#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GAG2DSP#BA0, 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 R7F100GAG2DSP#BA0 part is unused and in its original packaging.
Return procedure for R7F100GAG2DSP#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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