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Renesas R7FA6T2BB3CNE#AA1
- Part No.:
- R7FA6T2BB3CNE#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R7FA6T2BB3CNE#AA1.pdf
- Description:
- MCU RA6T2 ARM CM33 240MHZ 256K/6
- Quantity:
- Payment:
- Shipping:
Inventory:298
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Product details
Overview
R7FA6T2BB3CNE#AA1 from Renesas is an Arm® Cortex®-M23 microcontroller operating at up to 48 MHz, featuring 512-KB dual-bank flash, 48-KB SRAM with ECC/parity, 24-bit Sigma-Delta ADC (4-channel), 12-bit ADC (2-channel), independent power supply RTC, and integrated segment LCD controller for low-power industrial HMI applications.
For engineers reviewing the R7FA6T2BB3CNE#AA1 datasheet, R7FA6T2BB3CNE#AA1 pinout, R7FA6T2BB3CNE#AA1 application, or R7FA6T2BB3CNE#AA1 equivalent, this device supports secure firmware updates via bank-swap flash, real-time sensor monitoring with SDADC24, calendar-based RTC operation with VRTC backup, and low-voltage detection across VCC, EXLVDVBAT, and VRTC rails.
Technical Context
The R7FA6T2BB3CNE#AA1 implements Armv8-M architecture with Memory Protection Unit (8 regions) and CoreSight™ MTB-M23 trace, enabling certified functional safety designs. Its dual-bank flash supports seamless firmware updates without runtime interruption, while the 24-bit Sigma-Delta ADC uses PLL-multiplied clock (from 32.768 kHz SOSC) for high-resolution measurement stability.
Power management includes seven low-voltage detectors (LVD0–LVD2, LVD_VBAT, LVD_VRTC, EXLVD), independent watchdog timers (WDT/IWDT), and Event Link Controller (ELC) for autonomous peripheral triggering-critical for battery-powered metering and industrial control where CPU wake-up latency must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M23 @ 48 MHz max; supports TrustZone for secure execution environment |
| Memory | 512-KB dual-bank code flash (256 KB × 2) with bank swap; 8-KB data flash (100k P/E cycles); 48-KB SRAM with ECC/parity split |
| Analog | 24-bit Sigma-Delta ADC (SDADC24) with 4 differential inputs; 12-bit ADC (ADC12) with 2 channels; on-chip temperature sensor |
| Timing & RTC | Independent power supply RTC (99-year calendar, alarm, correction); 32.768 kHz SOSC support with stop-detection circuit |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch); 67 I/O pins, 3 input-only, 1 output-only, 5-V tolerant on 2 pins |
| Security | AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM); TRNG; CRC engine; DOC; register write protection; illegal access detection |
| Low Power | Multiple low-power modes; IWDT with dedicated 15-kHz oscillator; LVD thresholds configurable per rail (VCC/VRTC/EXLVDVBAT) |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, RoHS-compliant, Pb-free terminal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC/VSS pairs decoupled with 0.1-µF capacitors; AVCC/AVSS isolated for analog noise immunity |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection; enables independent RTC operation during main power loss |
| VRTC | RTC backup power supply | Accepts external battery or supercap; powers SOSC and RTC logic when VCC is absent |
| ANIP0–ANIP3 / ANIN0–ANIN3 | SDADC24 differential analog inputs | 4-channel 24-bit sigma-delta inputs with programmable gain amplifier; supports single-ended or differential mode |
| SEG0–SEG44 / COM0–COM7 | Segment LCD driver outputs | Configurable for 45-seg × 4-com or 41-seg × 8-com drive; internal boosting/capacitor-split voltage generation |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug (SWD) for programming and real-time trace; no JTAG required |
Key Features
| Feature | Design Value |
|---|---|
| Bank-swap flash | Enables atomic firmware updates: new image written to inactive bank while active bank runs; zero-downtime field upgrades |
| SDADC24 with PLL clock | 24-bit resolution maintained via PLL-derived sampling clock (12.0/12.8 MHz), eliminating sensitivity to main oscillator drift |
| Independent RTC + VRTC | Calendar function (2000–2099) continues under battery backup; supports alarm, periodic interrupt, and auto-leap-year correction |
| ELC-triggered peripherals | Allows GPT, AGT, or ADC to start/stop based on hardware events (e.g., timer expiry or GPIO edge) without CPU involvement |
| Security co-processor | Dedicated AES engine offloads encryption from CPU; TRNG feeds key generation; CRC/DOC enable data integrity verification in real time |
| Low-voltage resilience | Seven independent LVD circuits monitor VCC, EXLVDVBAT, VRTC, and EXLVD rails; each configurable to generate interrupt or reset |
Applications
| Smart Energy Metering | Industrial HMI Panel |
|---|---|
Use Scenario: Electricity/water/gas meter with tamper detection, battery-backed time-of-use logging, and high-precision current/voltage sensing. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing secure OTA updates, and maintaining accurate billing timestamps via independent RTC. Use Value: 24-bit SDADC24 enables >100 dB SNR for Class 0.2 metering; dual-bank flash ensures regulatory-compliant firmware rollback; VRTC preserves calendar across mains failure. |
Use Scenario: Local operator interface for PLC-controlled HVAC, pump, or conveyor systems with segmented LCD display and tactile button feedback. IC Role / Device Role / Timing Role: HMI processor driving 45-segment LCD, scanning keypad inputs, and communicating with host PLC via SCI UART or I²C. Use Value: Integrated SLCDC eliminates external LCD driver IC; low-power AGT timers handle button debounce autonomously; 5-V tolerant I/O interfaces directly with legacy 5-V sensors/switches. |
| Medical Patient Monitor | Asset Tracking Beacon |
Use Scenario: Portable vital sign monitor measuring ECG, temperature, and SpO₂ with battery life >72 hours and clinical-grade timestamping. IC Role / Device Role / Timing Role: Sensor fusion hub acquiring analog signals via SDADC24 and ADC12, applying digital filtering via MACL, and storing encrypted logs with RTC-stamped metadata. Use Value: On-chip TRNG and AES-256 secure log storage meets HIPAA audit requirements; ECC SRAM prevents memory corruption in radiation-prone environments. |
Use Scenario: Battery-powered GPS tracker reporting location, temperature, and shock events every 15 minutes for logistics visibility. IC Role / Device Role / Timing Role: System-on-chip managing GPS module UART, accelerometer interrupts, BLE advertising, and ultra-low-power sleep scheduling via AGTW timers. Use Value: IWDT with dedicated 15-kHz oscillator guarantees recovery from brownout during GPS cold start; LVD_VBAT triggers graceful shutdown before battery depletion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2A2BD3CFP | Same RA2A2 family, identical 100-pin LQFP package, but 4-channel SDADC24 (vs. 7-channel in A-series); no SLCDC waveform B mode | Targeted at cost-sensitive metering where fewer analog channels suffice; lacks extended LCD drive flexibility | Select R7FA2A2BD3CFP if SDADC24 channel count and SLCDC waveform options are non-critical and BOM cost is prioritized |
| R7FA4M2AD3CFP | RA4M2 family; Cortex-M33 core, 100 MHz, 1 MB flash, 256 KB SRAM; no SDADC24 or SLCDC; adds USB FS, CAN FD, Ethernet MAC | Suitable for connectivity-rich industrial gateways-not for analog-intensive or LCD-driven HMI | Choose R7FA4M2AD3CFP only when high-speed communication (USB/CAN/Ethernet) outweighs need for precision analog and integrated LCD control |
Compared with R7FA6T2BB3CNE#AA1, R7FA2A2BD3CFP offers identical packaging and lower-cost analog capability but reduced SDADC24 channel count and LCD flexibility, while R7FA4M2AD3CFP trades analog/LCD integration for higher performance and connectivity-making it unsuitable as a drop-in replacement for HMI or metrology use cases.
Availability
R7FA6T2BB3CNE#AA1 is available at Aetrix Electronics and suitable for smart energy metering, industrial HMI panels, medical patient monitors, and asset tracking beacons requiring stable component supply, long-term lifecycle assurance, and automotive-grade (-40°C to +105°C) thermal reliability.
Supply support for R7FA6T2BB3CNE#AA1 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, with over 40 years of MCU innovation and ISO 26262/IEC 61508 functional safety expertise.
The RA2A2 product line targets ultra-low-power, cost-optimized industrial and consumer HMI applications, integrating high-resolution analog, secure firmware execution, and battery-backed timing-all within a scalable Arm Cortex-M23 platform.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T2BB3CNE#AA1?
The R7FA6T2BB3CNE#AA1 features an Arm Cortex-M23 core compliant with Armv8-M architecture, operating at a maximum frequency of 48 MHz. It includes an 8-region Memory Protection Unit (MPU), single-cycle integer multiplier, and CoreSight™ MTB-M23 trace capability-enabling deterministic real-time performance and secure partitioning for safety-critical firmware.
Does the R7FA6T2BB3CNE#AA1 support bank-swap firmware updates, and how is it implemented?
Yes, the R7FA6T2BB3CNE#AA1 supports bank-swap firmware updates using its dual-bank 512-KB flash (256 KB × 2). The inactive bank can be reprogrammed while the active bank executes code, enabling zero-downtime field upgrades. This is managed via the Flash Control Unit (FCU) and requires no external memory or bootloader relocation.
What analog peripherals are integrated into the R7FA6T2BB3CNE#AA1, and what are their key specifications?
The R7FA6T2BB3CNE#AA1 integrates two ADCs: a 24-bit Sigma-Delta ADC (SDADC24) with 4 differential input channels and programmable gain amplifier, and a 12-bit successive-approximation ADC (ADC12) with 2 channels. Both support internal reference and temperature sensor input, with SDADC24 using a PLL-multiplied clock for enhanced stability against oscillator drift.
How does the independent power supply RTC function in the R7FA6T2BB3CNE#AA1, and what backup capabilities does it offer?
The R7FA6T2BB3CNE#AA1 includes an independent power supply RTC powered by the VRTC pin, which accepts external battery or supercap backup. It maintains a full 99-year Gregorian calendar (2000–2099), supports alarm and periodic interrupts, and performs automatic leap-year correction-even during main power loss-ensuring accurate timekeeping for billing, logging, and scheduling.
What security features are implemented in hardware on the R7FA6T2BB3CNE#AA1?
The R7FA6T2BB3CNE#AA1 includes hardware-accelerated AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM), True Random Number Generator (TRNG), Cyclic Redundancy Check (CRC) engine, Data Operation Circuit (DOC), register write protection, illegal memory access detection, and ECC/parity on SRAM-providing foundational security for secure boot, encrypted data storage, and runtime integrity verification.
R7FA6T2BB3CNE#AA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- Series:
- RA6T2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- 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:
- 35
- 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 10x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6T2BB3CNE#AA1 FAQ
1.How can I place an order for R7FA6T2BB3CNE#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2BB3CNE#AA1 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 R7FA6T2BB3CNE#AA1 reliable?
The price and inventory of R7FA6T2BB3CNE#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2BB3CNE#AA1 is usually 5 days.
3.What payment methods are accepted for R7FA6T2BB3CNE#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2BB3CNE#AA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2BB3CNE#AA1?
R7FA6T2BB3CNE#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2BB3CNE#AA1 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 R7FA6T2BB3CNE#AA1?
For technical support, including R7FA6T2BB3CNE#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2BB3CNE#AA1 requirements.
6.How does Aetrix verify that R7FA6T2BB3CNE#AA1 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2BB3CNE#AA1 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 R7FA6T2BB3CNE#AA1 meets industry standards.
7.What is the process for return or replacement of R7FA6T2BB3CNE#AA1?
All R7FA6T2BB3CNE#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2BB3CNE#AA1, 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 R7FA6T2BB3CNE#AA1 part is unused and in its original packaging.
Return procedure for R7FA6T2BB3CNE#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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