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Renesas R7FA6T2BB3CNE#AA0
- Part No.:
- R7FA6T2BB3CNE#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R7FA6T2BB3CNE#AA0.pdf
- Description:
- MCU RA6T2 ARM CM33 240MHZ 256K/6
- Quantity:
- Payment:
- Shipping:
Inventory:300
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Product details
Overview
R7FA6T2BB3CNE#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 AES-128/256 encryption. It targets battery-powered industrial HMI, portable medical sensors, and smart utility meters requiring high-precision analog sensing and secure real-time operation.
For engineers reviewing the R7FA6T2BB3CNE#AA0 datasheet, R7FA6T2BB3CNE#AA0 pinout, R7FA6T2BB3CNE#AA0 application, or R7FA6T2BB3CNE#AA0 equivalent, key selection criteria include its 4-channel SDADC24 with programmable gain amplifier, 100-pin LQFP package with 67 general-purpose I/Os, -40°C to +105°C extended temperature rating, and integrated security features including TRNG and ECC-protected SRAM.
Technical Context
The R7FA6T2BB3CNE#AA0 implements the Armv8-M architecture with Memory Protection Unit (8 regions) and CoreSight™ MTB-M23 trace, enabling certified functional safety designs. Its dual-bank flash supports Bank Swap for seamless firmware updates without runtime interruption.
It integrates two independent A/D subsystems: a 12-bit SAR ADC (4 channels, internal reference) and a 24-bit Sigma-Delta ADC (4 differential/single-ended channels, 7.813 kHz max sampling) with dedicated PLL clocking from 32.768 kHz SOSC - enabling simultaneous high-resolution sensor acquisition and low-power RTC operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz, Armv8-M architecture with MPU and debug support |
| Memory | 512-KB dual-bank code flash (256 KB × 2), 8-KB data flash, 48-KB SRAM with ECC/parity split |
| Analog Peripherals | 24-bit SDADC24 (4 ch), 12-bit ADC12 (4 ch), on-chip temperature sensor, programmable gain amplifier |
| Timing & RTC | Independent power supply RTC (99-year calendar, alarm, correction), IWDT with dedicated 15-kHz oscillator |
| Security | AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM), TRNG, CAC, CRC, DOC, register write protection |
| Package & Environment | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), -40°C to +105°C operating temperature |
| I/O & Connectivity | 67 GPIOs (5-V tolerant, open-drain), 5× SCI, 2× I²C, 1× SPI, GPT16 × 6, AGT × 8, AGTW × 2 |
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 power domains: digital VCC/VSS 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 PLL reference; enables independent RTC operation during main power loss |
| ANIP0–ANIP3 / ANIN0–ANIN3 | SDADC24 analog inputs | Four fully differential input pairs (±) supporting single-ended mode; routed to PGA with selectable gain |
| SEG0–SEG44 / COM0–COM7 | LCD segment/common drivers | Supports up to 45 segments × 4 commons or 41 segments × 8 commons; internal boosting eliminates external charge pump |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug (SWD) for programming, real-time trace, and non-intrusive debugging without halting CPU |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Enables linking application code to fixed virtual address while loading into any physical flash bank - simplifies OTA update implementation |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining (e.g., SDADC24 conversion completion → DTC transfer → CRC calculation) without CPU intervention |
| Low-Power Asynchronous Timers | AGT × 8 and AGTW × 2 operate from sub-clock domain (32.768 kHz), enabling precise timing in deep-sleep modes down to 1.6 V |
| Segment LCD Controller (SLCDC) | Configurable drive methods (internal boost/capacitor split/resistor division); supports blinking, waveform A/B, and 8-common multiplexing |
| Security Acceleration | Dedicated AES engine with GCM/CCM modes and TRNG output usable as IV/key seed - meets IEC 62443-3-3 SL2 requirements |
Applications
| Industrial HMI Panels | Portable Medical Sensors |
|---|---|
|
Use Scenario: Battery-powered handheld diagnostic device with segmented LCD display and precision analog front-end for ECG/temperature measurement. IC Role / Device Role / Timing Role: Main system controller executing sensor acquisition, signal processing via MACL, secure data logging, and real-time LCD refresh using SLCDC hardware acceleration. Use Value: Integrated 24-bit SDADC24 and 12-bit ADC eliminate external signal conditioning ICs; independent RTC maintains time-stamped logs during main power off. |
Use Scenario: Wearable glucose monitor requiring continuous low-noise analog sensing, encrypted BLE transmission, and multi-year battery life. IC Role / Device Role / Timing Role: Analog acquisition hub with SDADC24 oversampling, AES-encrypted data packaging, and ultra-low-power AGT timers managing sensor wake-up intervals. Use Value: On-chip TRNG and AES reduce BOM cost vs. external crypto co-processor; 1.6 V minimum operating voltage extends battery runtime in deep discharge conditions. |
| Smart Utility Meters | Environmental Monitoring Nodes |
|
Use Scenario: DIN-rail mounted electricity meter with tamper detection, metrology-grade current/voltage sensing, and secure firmware updates. IC Role / Device Role / Timing Role: Secure metering controller performing sigma-delta conversion of shunt/CT signals, ECC-verified flash updates via Bank Swap, and RTC-based billing interval tracking. Use Value: Dual-bank flash enables fail-safe field upgrades; CAC validates clock accuracy for revenue-grade timekeeping compliance (IEC 62053-21). |
Use Scenario: Solar-powered air quality sensor node measuring PM2.5, NO₂, and humidity with long-term unattended operation. IC Role / Device Role / Timing Role: Low-power system manager acquiring analog sensor outputs via SDADC24, compressing data with MACL, and scheduling LoRaWAN transmissions using AGTW timers. Use Value: Independent power supply RTC maintains accurate timestamping across power cycles; 5-V tolerant I/O interfaces directly with legacy analog sensors without level shifters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA6T2AB3CNE#AA0 | Same RA2A2 family, identical 100-pin LQFP package and core, but 7-channel SDADC24 instead of 4-channel | Required for systems needing >4 high-resolution analog inputs (e.g., multi-parameter gas analyzers) | Select R7FA6T2AB3CNE#AA0 only if full 7-channel SDADC24 capability is needed; otherwise R7FA6T2BB3CNE#AA0 reduces cost and software complexity |
| R7FA4M2AD3CFP | RA4M2 family, 48 MHz Cortex-M23, 512-KB flash, but no SDADC24; includes USB FS and higher I/O count (77 pins) | Better suited for USB-connected HMI or applications prioritizing connectivity over ultra-high-resolution analog sensing | Choose R7FA4M2AD3CFP when USB host/device or additional GPIOs outweigh need for 24-bit sigma-delta conversion |
Compared with R7FA6T2AB3CNE#AA0, this part reduces SDADC24 channel count to lower cost and simplify calibration; compared with R7FA4M2AD3CFP, it trades USB and extra I/O for integrated metrology-grade analog front-end - making R7FA6T2BB3CNE#AA0 optimal for battery-powered precision sensing nodes.
Availability
R7FA6T2BB3CNE#AA0 is available at Aetrix Electronics and suitable for industrial HMI panels, portable medical sensors, and smart utility meters requiring stable component supply, long lifecycle support, and automotive-grade reliability under extended temperature conditions.
Supply support for R7FA6T2BB3CNE#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 applications, with over 40 years of MCU innovation.
The RA2A2 group - including R7FA6T2BB3CNE#AA0 - was designed specifically for ultra-low-power, high-precision analog-intensive applications such as smart meters, portable diagnostics, and environmental monitoring nodes.
FAQ
What is the maximum sampling rate of the 24-bit SDADC24 in R7FA6T2BB3CNE#AA0?
The R7FA6T2BB3CNE#AA0 SDADC24 supports two configurable sampling rates: 7.813 kHz or 3.906 kHz in high-speed mode (using 12 MHz MOSC), and 8.333 kHz or 4.166 kHz in PLL-boosted mode (using 32.768 kHz SOSC × PLL). The actual rate depends on clock source selection and filter configuration - all modes are supported in the R7FA6T2BB3CNE#AA0 variant.
Does R7FA6T2BB3CNE#AA0 support Bank Swap for firmware updates?
Yes, R7FA6T2BB3CNE#AA0 supports Bank Swap functionality using its dual-bank 512-KB flash memory (256 KB × 2 banks). This allows one bank to execute active firmware while the other receives verified updates, enabling zero-downtime field upgrades - a critical feature for deployed R7FA6T2BB3CNE#AA0-based utility meters and medical devices.
What LCD drive configurations does the SLCDC in R7FA6T2BB3CNE#AA0 support?
The R7FA6T2BB3CNE#AA0 Segment LCD Controller supports three drive methods: internal voltage boosting (VL1/VL2 reference), capacitor split (VCC/VL4 reference), and external resistance division. It delivers up to 45 segment × 4 common or 41 segment × 8 common outputs, with selectable waveform A/B and built-in blink control - all managed by dedicated hardware without CPU load.
Is the RTC in R7FA6T2BB3CNE#AA0 truly independent of main power?
Yes, the R7FA6T2BB3CNE#AA0 RTC operates from an independent VRTC power domain supplied via the VRTC pin, allowing continuous timekeeping, calendar functions, and alarm generation even when main VCC is removed - provided backup power (e.g., coin cell) is connected to VRTC and XCIN/XCOUT crystals are installed.
What security certifications or features are implemented in R7FA6T2BB3CNE#AA0?
R7FA6T2BB3CNE#AA0 includes hardware-accelerated AES-128/256 (GCM/CCM modes), True Random Number Generator (TRNG), Clock Accuracy Measurement Circuit (CAC), CRC engine, Data Operation Circuit (DOC), ECC-protected SRAM, and register write protection - collectively supporting IEC 62443-3-3 SL2 and ISO/IEC 15408 evaluation assurance level requirements for secure embedded systems.
R7FA6T2BB3CNE#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- 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:
- 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#AA0 FAQ
1.How can I place an order for R7FA6T2BB3CNE#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2BB3CNE#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 R7FA6T2BB3CNE#AA0 reliable?
The price and inventory of R7FA6T2BB3CNE#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2BB3CNE#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA6T2BB3CNE#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2BB3CNE#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2BB3CNE#AA0?
R7FA6T2BB3CNE#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2BB3CNE#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 R7FA6T2BB3CNE#AA0?
For technical support, including R7FA6T2BB3CNE#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2BB3CNE#AA0 requirements.
6.How does Aetrix verify that R7FA6T2BB3CNE#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2BB3CNE#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 R7FA6T2BB3CNE#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6T2BB3CNE#AA0?
All R7FA6T2BB3CNE#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2BB3CNE#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 R7FA6T2BB3CNE#AA0 part is unused and in its original packaging.
Return procedure for R7FA6T2BB3CNE#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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