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Renesas R7F100GBJ3CFP#BA0
- Part No.:
- R7F100GBJ3CFP#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R7F100GBJ3CFP#BA0.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,988
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Product details
Overview
R7F100GBJ3CFP#BA0 from Renesas is a 32-bit RL78/G23 microcontroller with 256 KB code flash, 8 KB data flash, and 24 KB RAM, operating from 1.6–5.5 V. It delivers ultra-low power consumption (41 µA/MHz active, 210 nA data retention), integrated capacitive touch sensing (CTSU2L), and supports industrial temperature range (−40 to +105°C) for embedded control in smart sensors and battery-powered HMI devices.
For engineers reviewing the R7F100GBJ3CFP#BA0 datasheet, R7F100GBJ3CFP#BA0 pinout, R7F100GBJ3CFP#BA0 application, or R7F100GBJ3CFP#BA0 equivalent, key selection criteria include its 32-pin LQFP-0.8mm package, dual-voltage I/O support (1.8/2.5/3.0 V compatible), SNOOZE mode sequencer for autonomous low-power sensing, and hardware-accelerated CTSU2L supporting up to 64 keys in mutual-capacitance matrix configuration.
Technical Context
The R7F100GBJ3CFP#BA0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, enabling configurable instruction timing from 0.03125 µs (32 MHz high-speed mode) to 30.5 µs (32.768 kHz ultra-low-speed mode). It integrates a dedicated SNOOZE mode sequencer (SMS) that executes up to 32 sequential commands-including comparisons and arithmetic-without CPU, RAM, or flash activation, reducing system wake-up latency and power overhead.
Peripheral integration includes a Logic and Event Link Controller (ELCL) for configurable signal routing between peripherals, a Data Transfer Controller (DTC) supporting chain transfer across 32 interrupt sources, and a Realtime Clock (RTC) with alarm, calendar (1 sec–99 years), and clock correction-enabling time-stamped sensor logging and scheduled low-power wake-ups without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 32-bit CISC with 3-stage pipeline; enables deterministic real-time response and low gate count for cost-sensitive designs. |
| Flash Memory | 256 KB code flash + 8 KB data flash; supports background operation (BGO) and 1M rewrite cycles for robust firmware updates and parameter storage. |
| RAM | 24 KB on-chip RAM; retains full contents at 210 nA in STOP mode, enabling fast resume from deep sleep without data reload. |
| Operating Voltage | 1.6–5.5 V single supply; allows direct interface with 1.8 V, 2.5 V, and 3.0 V logic domains without level shifters. |
| Capacitive Sensing | CTSU2L unit supporting self-capacitance (32 keys) or mutual-capacitance (8×8 matrix = 64 keys); eliminates need for external touch controller ICs. |
| Temperature Range | −40 to +105°C (industrial grade); qualified for use in motor drives, industrial HMIs, and outdoor metering without derating. |
| Low-Power Modes | HALT, STOP, and SNOOZE modes; STOP mode achieves 210 nA retention current, and SNOOZE enables autonomous sensor polling without CPU wake-up. |
Pinout & Package
Package: 32-pin plastic LQFP (7 × 7 mm, 0.80-mm pitch), lead-free, RoHS-compliant, tray packaging (#BA0).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10–P17 | Multi-function I/O with SAU/SPI/I²C/UART | Configurable serial interfaces: up to 6 UARTA channels (including LIN), 10 IICA channels, and 8 CSI channels-supports mixed-protocol communication stacks. |
| P20–P23, P00–P01, P120–P147 | Analog input / comparator / CTSU | 26-channel 12-bit ADC with internal 1.48 V reference and temperature sensor; supports simultaneous sampling for motor current sensing or multi-sensor fusion. |
| P30–P31, P50–P51, P60–P62, P70–P72 | Capacitive touch sense inputs | Dedicated CTSU2L pins enable noise-immune mutual/self-capacitance sensing; TSCAP pin provides dedicated charge/discharge path for stable baseline tracking. |
| RESET, REGC, VDD, VSS | Power and reset management | On-chip POR and dual LVDs (LVD0/LVD1); REGC requires 0.47–1 µF capacitor to VSS for stable internal regulator output. |
| X1/X2, P121/P122 | Crystal oscillator inputs | Supports 32.768 kHz crystal (RTC) and up to 20 MHz main crystal; internal trimming enables ±0.5% accuracy over temperature without external load caps. |
Key Features
| Feature | Design Value |
|---|---|
| SNOOZE Mode Sequencer (SMS) | Executes 32-step command sequences (compare, add, jump) autonomously-enables periodic sensor readouts and threshold checks while CPU remains in STOP mode. |
| Capacitive Touch Unit (CTSU2L) | Hardware-accelerated mutual-capacitance scanning for 64-key matrix; built-in noise cancellation and auto-calibration reduce firmware overhead and improve ESD immunity. |
| Data Flash Background Operation (BGO) | Allows full CPU execution from code flash while rewriting data flash-enables seamless field firmware updates and secure parameter logging without system interruption. |
| Logic & Event Link Controller (ELCL) | Configurable hardware routing of signals (e.g., timer overflow → ADC trigger → DTC start) eliminates software polling and reduces interrupt latency by up to 70%. |
| Controlled Current Drive Ports | 6–8 pins support programmable 2–12 mA drive strength-directly drives LEDs, buzzers, or small relays without external drivers, saving BOM cost and PCB area. |
Applications
| Smart Thermostats | Industrial Motor Controllers |
|---|---|
Use Scenario: Wall-mounted HVAC controller with capacitive touch panel, ambient temperature/humidity sensing, and wireless connectivity. IC Role / Device Role / Timing Role: Main system controller managing touch UI, sensor acquisition, real-time scheduling, and communication stack. Use Value: CTSU2L supports 32-key self-capacitance overlay; RTC maintains accurate time for scheduling; 24 KB RAM buffers sensor logs during BLE transmission gaps. | Use Scenario: Compact BLDC motor drive for pumps or fans requiring closed-loop speed control and fault monitoring. IC Role / Device Role / Timing Role: Real-time motor control MCU handling PWM generation, current sensing, commutation logic, and thermal protection. Use Value: 12-bit ADC with simultaneous sampling captures phase currents; TAU timers deliver precise 150 ns PWM resolution; STOP mode enables rapid fault recovery with <10 µs wake-up. |
| Portable Medical Sensors | Energy Metering Modules |
Use Scenario: Battery-powered pulse oximeter with optical sensing, OLED display, and Bluetooth LE reporting. IC Role / Device Role / Timing Role: Low-power sensor hub aggregating photodiode data, driving display, and managing BLE advertising intervals. Use Value: 210 nA STOP-mode retention extends battery life to >2 years on CR2032; SNOOZE sequencer autonomously triggers ADC conversions every 100 ms without CPU wake-up. | Use Scenario: DIN-rail mounted electricity meter with voltage/current measurement, tamper detection, and RS-485 communication. IC Role / Device Role / Timing Role: System management MCU coordinating metrology IC reads, EEPROM logging, RTC timestamping, and secure firmware updates. Use Value: Data flash BGO enables safe parameter updates during live metering; dual LVDs detect brown-out events for graceful shutdown; −40 to +105°C rating ensures reliability in unventilated enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F100GFK3CFP#BA0 | 192 KB code flash, 20 KB RAM, same 32-pin LQFP package and peripheral set | Lower memory footprint suits simpler sensor nodes or cost-constrained designs where 256 KB is unnecessary | Select when firmware size is <192 KB and BOM cost reduction is prioritized over future feature scalability |
| R7F100GLJ3CFA#AA0 | 64-pin LQFP-0.65mm, 512 KB flash, 48 KB RAM, adds CAN FD and more ADC channels | Targeted at complex industrial controllers requiring CAN bus, higher I/O count, or larger code space | Choose only if design requires CAN FD interface or >32 GPIOs-requires PCB redesign due to different pin count and pitch |
Compared with R7F100GFK3CFP#BA0, the R7F100GBJ3CFP#BA0 provides 64 KB additional flash and 4 KB more RAM for enhanced firmware flexibility and data buffering; versus R7F100GLJ3CFA#AA0, it offers identical low-power features in a smaller, lower-cost 32-pin footprint but lacks CAN FD and extra analog resources.
Availability
R7F100GBJ3CFP#BA0 is available at Aetrix Electronics and suitable for industrial motor controls, smart thermostats, portable medical sensors, and energy metering modules requiring stable component supply and long-term lifecycle support.
Supply support for R7F100GBJ3CFP#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, and power management solutions for automotive, industrial, and IoT markets.
The RL78/G23 product line targets ultra-low-power embedded control applications, integrating advanced capacitive touch, real-time peripherals, and energy-efficient operation for battery-powered and thermally constrained systems.
FAQ
What is the maximum operating frequency and corresponding supply voltage range for the R7F100GBJ3CFP#BA0?
The R7F100GBJ3CFP#BA0 operates at up to 32 MHz using its high-speed on-chip oscillator, with guaranteed functionality across its full 1.6–5.5 V supply range. At 32 MHz, minimum VDD is 2.7 V per the datasheet's AC characteristics table; operation below 2.7 V requires reduced frequency scaling (e.g., 24 MHz at 2.4 V, 16 MHz at 1.8 V).
Does the R7F100GBJ3CFP#BA0 support hardware-based capacitive touch sensing, and what configurations are available?
Yes, the R7F100GBJ3CFP#BA0 integrates the CTSU2L capacitive touch sensing unit supporting both self-capacitance (up to 32 keys on single pins) and mutual-capacitance (8×8 matrix = 64 keys). It includes hardware noise cancellation, auto-calibration, and dedicated TSCAP pin for stable charge/discharge timing-no external components required for basic implementation.
What debug interface does the R7F100GBJ3CFP#BA0 provide, and which pins are used?
The R7F100GBJ3CFP#BA0 uses the on-chip debug interface accessible via the TOOL0 (P40) and TOOLRxD/TOOLTxD (P11/P12) pins in 32-pin LQFP packages. This implements Renesas' standard FINE interface for full JTAG-like debugging, flash programming, and real-time trace-requiring no dedicated debug header, simplifying board layout.
Can the R7F100GBJ3CFP#BA0 execute code while writing to data flash memory?
Yes, the R7F100GBJ3CFP#BA0 supports Background Operation (BGO) for data flash. While rewriting data flash memory, the CPU can continue executing instructions from code flash-enabling uninterrupted real-time tasks such as sensor acquisition or communication handling during firmware parameter updates.
What is the purpose of the SNOOZE mode sequencer (SMS), and how does it reduce system power consumption?
The SNOOZE mode sequencer (SMS) in the R7F100GBJ3CFP#BA0 executes pre-programmed command sequences-including comparisons, arithmetic, and conditional jumps-without waking the CPU, RAM, or flash. This enables autonomous periodic tasks like ADC sampling or threshold checking in STOP mode, cutting average system current to sub-µA levels while maintaining responsiveness.
R7F100GBJ3CFP#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-LQFP
- Series:
- RL78/G23
- Packaging:
- Tape & Reel (TR)
- 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:
- 27
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 24K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 8x8/10b/12b; D/A 2x8b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F100GBJ3CFP#BA0 FAQ
1.How can I place an order for R7F100GBJ3CFP#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F100GBJ3CFP#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 R7F100GBJ3CFP#BA0 reliable?
The price and inventory of R7F100GBJ3CFP#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F100GBJ3CFP#BA0 is usually 5 days.
3.What payment methods are accepted for R7F100GBJ3CFP#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F100GBJ3CFP#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F100GBJ3CFP#BA0?
R7F100GBJ3CFP#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F100GBJ3CFP#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 R7F100GBJ3CFP#BA0?
For technical support, including R7F100GBJ3CFP#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F100GBJ3CFP#BA0 requirements.
6.How does Aetrix verify that R7F100GBJ3CFP#BA0 is sourced from the original manufacturer or authorized distributors?
All R7F100GBJ3CFP#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 R7F100GBJ3CFP#BA0 meets industry standards.
7.What is the process for return or replacement of R7F100GBJ3CFP#BA0?
All R7F100GBJ3CFP#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7F100GBJ3CFP#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 R7F100GBJ3CFP#BA0 part is unused and in its original packaging.
Return procedure for R7F100GBJ3CFP#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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