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Renesas R7FA6T2BB3CFM#AA0
- Part No.:
- R7FA6T2BB3CFM#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA6T2BB3CFM#AA0.pdf
- Description:
- MCU RA6T2 ARM CM33 240MHZ 256K/6
- Quantity:
- Payment:
- Shipping:
Inventory:320
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Product details
Overview
R7FA6T2BB3CFM#AA0 from Renesas is an ultra-low-power 48 MHz Arm® Cortex®-M23 microcontroller with 512-KB dual-bank flash, 48-KB SRAM, 24-bit Sigma-Delta ADC (4-channel), 12-bit ADC, segment LCD controller, independent power supply RTC, and hardware AES/ TRNG security. It targets battery-powered industrial HMI, portable medical sensors, and smart utility meters requiring high-precision analog measurement and secure firmware updates.
For engineers reviewing the R7FA6T2BB3CFM#AA0 datasheet, R7FA6T2BB3CFM#AA0 pinout, R7FA6T2BB3CFM#AA0 application, or R7FA6T2BB3CFM#AA0 equivalent, key selection criteria include its 64-pin LQFP package, -40°C to +105°C operation, 1.6–5.5 V supply range, SDADC24 channel count, and SLCDC segment drive capability for 21–45 segments with 4–8 commons.
Technical Context
This MCU implements the Armv8-M architecture with Memory Protection Unit (8 regions), debug via SW-DP, and dual-bank flash enabling safe over-the-air updates. Its analog subsystem integrates a programmable-gain 24-bit Sigma-Delta ADC (SDADC24) with differential input support and PLL-multiplied clocking from the 32.768 kHz sub-oscillator.
Power management includes seven low-voltage detectors (LVD0–LVD_VRTC), multiple clock sources (HOCO/MOCO/LOCO/SOSC/MOSC), and Event Link Controller (ELC) for peripheral-to-peripheral triggering without CPU intervention-critical for deterministic real-time response in metering and sensor fusion applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz max; supports TrustZone for secure firmware partitioning |
| Memory | 512-KB dual-bank code flash (256 KB × 2) + 8-KB data flash + 48-KB SRAM with ECC/parity options |
| Analog Converters | 24-bit Sigma-Delta ADC (SDADC24) with 4 differential channels; 12-bit ADC with 4 inputs + on-die temperature sensor |
| Human Interface | Segment LCD controller (SLCDC) supporting up to 45 seg × 4 com or 41 seg × 8 com; internal boost/capacitor-split drive modes |
| Security | Hardware AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM) + True Random Number Generator (TRNG) |
| Timers & PWM | 6× GPT16 (16-bit general PWM timers), 8× AGT (16-bit low-power async timers), 2× AGTW (32-bit low-power async timers) |
| I/O & Packaging | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch); 39 GPIOs including 3 input-only, 1 output-only, 5-V tolerant pins |
Pinout & Package
Package: 64-pin LQFP (PLQP0064KB-C), 10 mm × 10 mm, 0.5 mm pitch, operating temperature −40°C to +105°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: digital core (VCC) and analog (AVCC/AVSS); decoupling required per datasheet layout guidelines |
| XCIN / XCOUT | Sub-clock oscillator interface | Connects 32.768 kHz crystal for RTC and SDADC24 clock source; enables independent RTC power domain (VRTC) |
| ANIP0–ANIP3 / ANIN0–ANIN3 | SDADC24 analog inputs | Four differential input pairs for high-resolution sensor signal acquisition; supports PGA gain configuration |
| SEG0–SEG44 / COM0–COM7 | SLCDC segment/common outputs | Configurable drive for up to 45 segments and 8 commons; supports blink, waveform A/B, and voltage-boost modes |
| P001–P015, P100–P115, etc. | General-purpose I/O | 39 total GPIOs with 5-V tolerance on select pins, N-ch open-drain capability, and pull-up resistors configurable per port |
Key Features
| Feature | Design Value |
|---|---|
| Bank Swap Flash | Enables seamless firmware updates via dual-bank architecture-no system interruption during reprogramming |
| Memory Mirror Function (MMF) | Allows application code to be linked at fixed virtual address while loading into mirrored physical flash locations-simplifies bootloader design |
| Event Link Controller (ELC) | Direct hardware routing of peripheral events (e.g., ADC completion → DMA trigger) eliminates CPU polling and latency |
| Independent Power Supply RTC | Retains calendar time and alarm functions using VRTC pin and backup battery-even during main power loss |
| Data Transfer Controller (DTC) | Offloads memory transfers from CPU during UART/SPI/SCI operations-reduces active power consumption by up to 30% in burst-mode sensing |
Applications
| Smart Utility Metering | Portable Medical Sensors |
|---|---|
Use Scenario: Electricity/water/gas meter with tamper detection, lifetime logging, and secure remote firmware updates. IC Role / Device Role / Timing Role: Primary system controller managing metrology ADC sampling, LCD display, secure OTA updates, and RTC-based billing cycles. Use Value: SDADC24's 24-bit resolution enables <10 ppm accuracy in current/voltage measurement; AES-256 secures firmware against unauthorized modification. | Use Scenario: Handheld blood glucose monitor or ECG patch with analog front-end, battery life >1 year, and regulatory-compliant data encryption. IC Role / Device Role / Timing Role: Sensor hub integrating analog signal conditioning, low-power sleep/wake scheduling, and encrypted BLE data transmission. Use Value: Independent RTC maintains accurate timestamping across deep-sleep states; TRNG satisfies IEC 62304 cryptographic entropy requirements. |
| Industrial HMI Panels | Battery-Powered Environmental Monitors |
Use Scenario: Factory-floor operator interface with segmented LCD, tactile feedback, and local data logging under harsh temperature conditions. IC Role / Device Role / Timing Role: Display controller and system manager handling touch input, segment driving, nonvolatile parameter storage, and watchdog supervision. Use Value: SLCDC drives up to 45 segments directly-eliminates external LCD driver IC; wide 1.6–5.5 V supply accommodates aging batteries. | Use Scenario: Wireless air quality sensor node measuring CO₂, VOC, and humidity with multi-year battery life and edge analytics. IC Role / Device Role / Timing Role: Low-power data aggregator performing sensor fusion, CRC-protected logging, and scheduled wake-up for RF transmission. Use Value: AGTW timers enable precise 10-second wake intervals with <1 µA retention current; CRC module validates flash integrity after brownout events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2A2BD3CFM | Same RA2A2 family, identical 64-pin LQFP package, 4-channel SDADC24, but lacks Bank Swap flash and MMF | Lower-cost option where firmware update safety and flexible code linking are not required | Select R7FA2A2BD3CFM if dual-bank flash and memory mirroring are unnecessary and BOM cost is prioritized |
| R7FA4M1AB3CFM | RA4M1 family, same 64-pin LQFP, 256-KB flash, no SDADC24, adds USB FS and higher-speed SPI | Suitable for USB-connected HMIs or data loggers needing host interface-not for precision analog sensing | Choose R7FA4M1AB3CFM when USB connectivity or faster serial throughput outweighs need for 24-bit sigma-delta conversion |
Compared with R7FA6T2BB3CFM#AA0, R7FA2A2BD3CFM reduces flash management flexibility but lowers unit cost, while R7FA4M1AB3CFM trades SDADC24 capability for USB and enhanced communication-making each suitable only for distinct system-level trade-offs.
Availability
R7FA6T2BB3CFM#AA0 is available at Aetrix Electronics and suitable for smart metering, portable diagnostics, and industrial HMI applications requiring stable component supply, long-term lifecycle support, and automotive-grade temperature resilience.
Supply support for R7FA6T2BB3CFM#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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.
The RA2A2 group is designed specifically for ultra-low-power, high-precision analog applications-including utility metering, portable medical devices, and battery-operated HMIs-with integrated SDADC24, LCD drivers, and hardware security.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T2BB3CFM#AA0?
The R7FA6T2BB3CFM#AA0 features an Arm Cortex-M23 core operating at up to 48 MHz, compliant with the Armv8-M architecture. It includes an 8-region Memory Protection Unit (MPU), single-cycle integer multiplier, and debug support via Serial Wire Debug (SW-DP). This architecture enables efficient execution of secure, real-time firmware in resource-constrained environments.
Does the R7FA6T2BB3CFM#AA0 support secure firmware updates, and how is this implemented?
Yes, the R7FA6T2BB3CFM#AA0 supports secure firmware updates through dual-bank flash memory (256 KB × 2) enabling bank swap functionality, combined with hardware AES-128/256 encryption and a True Random Number Generator (TRNG). These features allow authenticated, encrypted OTA updates with rollback protection and runtime integrity verification-meeting IEC 62443 and UL 2900-1 requirements.
What analog peripherals are integrated into the R7FA6T2BB3CFM#AA0, and what are their key specifications?
The R7FA6T2BB3CFM#AA0 integrates a 24-bit Sigma-Delta ADC (SDADC24) with 4 differential input channels, programmable gain amplifier, and PLL-multiplied clocking from the 32.768 kHz sub-oscillator. It also includes a 12-bit successive-approximation ADC (ADC12) with 4 inputs and an on-die temperature sensor. Both converters support independent reference voltages and calibration registers.
How does the Segment LCD Controller (SLCDC) in the R7FA6T2BB3CFM#AA0 operate, and what configurations are supported?
The R7FA6T2BB3CFM#AA0's SLCDC supports up to 45 segment outputs and 8 common outputs, configurable for 21–45 segments × 4 commons or 17–41 segments × 8 commons. It offers three drive methods-internal voltage boosting, capacitor split, and external resistance division-and selectable waveforms (A/B) with blink control. This eliminates need for external LCD drivers in compact HMI designs.
What power management features does the R7FA6T2BB3CFM#AA0 offer for battery-operated applications?
The R7FA6T2BB3CFM#AA0 provides seven independent low-voltage detectors (LVD0–LVD_VRTC), multiple clock sources (HOCO/MOCO/LOCO/SOSC), and five low-power modes-including deep software standby with RTC running on VRTC. Its 1.6–5.5 V operating range, sub-µA retention current, and AGT/AGTW timers enable precise wake scheduling-extending battery life in portable and remote sensing applications.
R7FA6T2BB3CFM#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RA6T2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit
- Speed:
- 240MHz
- Connectivity:
- CANbus, I2C, LINbus, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 51
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 16K x 8
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 18x12b SAR; D/A 4x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6T2BB3CFM#AA0 FAQ
1.How can I place an order for R7FA6T2BB3CFM#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2BB3CFM#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 R7FA6T2BB3CFM#AA0 reliable?
The price and inventory of R7FA6T2BB3CFM#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2BB3CFM#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA6T2BB3CFM#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2BB3CFM#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2BB3CFM#AA0?
R7FA6T2BB3CFM#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2BB3CFM#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 R7FA6T2BB3CFM#AA0?
For technical support, including R7FA6T2BB3CFM#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2BB3CFM#AA0 requirements.
6.How does Aetrix verify that R7FA6T2BB3CFM#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2BB3CFM#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 R7FA6T2BB3CFM#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6T2BB3CFM#AA0?
All R7FA6T2BB3CFM#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2BB3CFM#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 R7FA6T2BB3CFM#AA0 part is unused and in its original packaging.
Return procedure for R7FA6T2BB3CFM#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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