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Renesas R7FA6T2AD3CNB#AA0
- Part No.:
- R7FA6T2AD3CNB#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R7FA6T2AD3CNB#AA0.pdf
- Description:
- MCU RA6T2 ARM CM33 240MHZ 512K/6
- Quantity:
- Payment:
- Shipping:
Inventory:300
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Product details
Overview
R7FA6T2AD3CNB#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 (7-channel), 12-bit ADC, segment LCD controller, independent power supply RTC, and AES-128/256 security. 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 R7FA6T2AD3CNB#AA0 datasheet, R7FA6T2AD3CNB#AA0 pinout, R7FA6T2AD3CNB#AA0 application, or R7FA6T2AD3CNB#AA0 equivalent, key selection criteria include its 7-channel SDADC24 with programmable gain amplifier, 100-pin LQFP package with 67 GPIOs and 3 dedicated RTC input pins, integrated LCD driver supporting up to 45 segments × 4 commons, and hardware-accelerated cryptographic engine for firmware integrity verification.
Technical Context
The R7FA6T2AD3CNB#AA0 implements the Armv8-M architecture with Memory Protection Unit (8 regions), debug via SW-DP, and low-power asynchronous timers (AGT × 8, AGTW × 2). Its analog subsystem integrates two independent A/D converters: a 12-bit SAR ADC (4 channels) and a 24-bit Sigma-Delta ADC (7 differential/single-ended channels) with PLL-derived clocking and internal PGA.
System-level features include Event Link Controller (ELC) for CPU-free peripheral triggering, Data Transfer Controller (DTC) for autonomous memory transfers, and Safety mechanisms such as ECC on 16 KB of SRAM, CAC for clock accuracy monitoring, CRC generator, and Independent Watchdog Timer (IWDT) with dedicated 15 kHz oscillator - all supporting functional safety compliance in industrial applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz, Armv8-M architecture with MPU (8 regions) and SW-DP debug interface |
| Memory | 512-KB dual-bank code flash (256 KB × 2), 8-KB data flash (100k P/E cycles), 48-KB SRAM (16 KB with ECC, 32 KB with parity) |
| Analog Peripherals | 24-bit Sigma-Delta ADC (SDADC24) with 7-channel differential input, PGA, and PLL clock; 12-bit ADC (ADC12) with 4 channels and temperature sensor input |
| Human Interface | Segment LCD controller (SLCDC) supporting 45 seg × 4 com or 41 seg × 8 com, internal voltage boosting, and waveform A/B selection |
| Security & Safety | AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM), TRNG, CAC, CRC, DOC, IWDT, SRAM ECC, flash area protection, and illegal access detection |
| Power & Environment | 1.6–5.5 V operating voltage, -40°C to +105°C industrial temperature range, low-power modes including deep software standby |
| Package & I/O | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), 67 general-purpose I/O pins, 3 input-only pins, 1 output-only pin, 5-V tolerant on 3 RTCIC pins |
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 and ground | Dual power domains: VCC (digital core/analog I/O), AVCC/AVSS (precision analog), VRTC (independent RTC supply) |
| XCIN / XCOUT | Sub-clock oscillator interface | Connects 32.768 kHz crystal for RTC and SDADC24 clock source; enables calendar mode and low-power timing |
| ANIP0–ANIP6 / ANIN0–ANIN6 | SDADC24 analog inputs | 7 differential pairs (positive/negative) supporting single-ended or differential measurement with programmable gain |
| SEG0–SEG44 / COM0–COM7 | LCD segment/common drivers | Direct drive for up to 45 segments and 4 commons (or 41 segments and 8 commons); supports internal boost and capacitor-split biasing |
| RTCIC0–RTCIC2 | RTC event capture inputs | Three 5-V tolerant pins for external time-capture events (e.g., pulse counting, alarm triggers) with independent interrupt capability |
Key Features
| Feature | Design Value |
|---|---|
| 24-bit Sigma-Delta ADC with PGA | Enables high-resolution current/voltage sensing in energy meters and precision sensor nodes without external signal conditioning |
| Dual-bank flash with Bank Swap | Supports seamless firmware updates and fail-safe booting by validating new image in second bank before activation |
| Independent Power Supply RTC | Retains calendar (2000–2099), alarm, and correction functions even when main VCC is off, using VRTC backup supply |
| Hardware AES + TRNG | Accelerates secure boot, firmware authentication, and encrypted communication without CPU overhead or software vulnerability exposure |
| Event Link Controller (ELC) | Allows direct peripheral-to-peripheral triggering (e.g., timer overflow → ADC start → DTC transfer) eliminating CPU polling and latency |
Applications
| Industrial HMI Panels | Smart Utility Meters |
|---|---|
Use Scenario: Battery-powered LCD display with touch buttons and real-time energy consumption visualization in factory floor terminals. IC Role / Device Role / Timing Role: Main system controller executing UI logic, driving 45-segment LCD, sampling analog sensor inputs, and managing RTC-based logging intervals. Use Value: Integrated SLCDC eliminates external LCD driver IC; SDADC24 provides 24-bit resolution for accurate current sensing; low-power AGT timers extend battery life beyond 5 years. |
Use Scenario: DIN-rail mounted electricity meter with tamper detection, harmonic analysis, and secure firmware updates over PLC or RF link. IC Role / Device Role / Timing Role: System-on-chip performing metrology calculations, AES-encrypted data signing, and independent RTC timestamping of billing events. Use Value: Dual-bank flash enables field-upgradable firmware without service interruption; ECC SRAM ensures data integrity during voltage dips; CAC validates clock stability for time-of-use billing accuracy. |
| Portable Medical Sensors | Environmental Monitoring Nodes |
Use Scenario: Handheld blood glucose or ECG monitor with analog front-end, LCD display, and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: Analog acquisition hub digitizing biosignals via SDADC24, processing with MACL unit, and driving LCD while maintaining secure patient data storage. Use Value: On-chip 24-bit SDADC24 achieves >110 dB SNR for low-amplitude biopotentials; TRNG + AES secures HIPAA-compliant data transmission; RTC supports clinical timestamping. |
Use Scenario: Solar-powered air quality sensor node measuring PM2.5, CO₂, and humidity with long-term data logging and LoRaWAN upload. IC Role / Device Role / Timing Role: Low-power system manager acquiring analog sensor outputs, compressing data via CRC/DOC, and scheduling transmissions using AGTW timers. Use Value: Ultra-low active and deep-sleep current (<1.5 µA in software standby) maximizes solar harvest efficiency; 5-V tolerant RTCIC pins interface directly with legacy analog sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2A2AD3CFP | Same RA2A2 family, identical 512-KB flash, 48-KB SRAM, and 24-bit SDADC24 (7 ch), but uses 100-pin LQFP with different pin mapping and no RTCIC pin tolerance extension | Designed for standard industrial HMI with full pin compatibility within RA2A2 group, but lacks 5-V tolerant RTCIC pins required for legacy sensor interfacing | Select R7FA6T2AD3CNB#AA0 when 5-V tolerant RTCIC inputs or specific production traceability (#AA0 marking) are mandatory |
| R7FA6M5BH3CFP | RA6M5-series Arm Cortex-M33 MCU with 1 MB flash, 512 KB SRAM, and 16-bit ADC; no SDADC24 or integrated LCD driver; includes Ethernet and USB FS | Targets higher-performance industrial gateways requiring network connectivity and larger code space, not ultra-low-power analog-centric edge nodes | Choose R7FA6M5BH3CFP only if Ethernet/USB host capability and M33 security extensions outweigh loss of SDADC24 precision and LCD integration |
Compared with R7FA2A2AD3CFP, R7FA6T2AD3CNB#AA0 adds 5-V tolerant RTCIC pins for robust legacy sensor interfacing and tighter production traceability; versus R7FA6M5BH3CFP, it trades networking peripherals for superior analog precision, lower power, and integrated display control - making it optimal for cost-sensitive, battery-operated sensing endpoints.
Availability
R7FA6T2AD3CNB#AA0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart utility meters, and portable medical sensors requiring stable component supply, long-term lifecycle support, and guaranteed traceability for regulatory compliance.
Supply support for R7FA6T2AD3CNB#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 specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RA2A2 group, including R7FA6T2AD3CNB#AA0, is engineered for ultra-low-power, high-precision analog applications in industrial and medical edge devices - emphasizing integrated metrology, secure firmware execution, and human-machine interface capabilities.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T2AD3CNB#AA0?
The R7FA6T2AD3CNB#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), SysTick timer, and debug support via Serial Wire Debug (SW-DP). This architecture delivers deterministic real-time performance with enhanced security features essential for certified industrial firmware.
Does the R7FA6T2AD3CNB#AA0 support hardware-accelerated cryptography?
Yes, the R7FA6T2AD3CNB#AA0 integrates a dedicated AES engine supporting ECB, CBC, CTR, GCM, CMAC, and CCM modes with 128- and 256-bit keys, plus a True Random Number Generator (TRNG). These peripherals operate independently of the CPU, enabling secure boot, firmware signature verification, and encrypted communication without compromising real-time responsiveness.
How many analog input channels does the R7FA6T2AD3CNB#AA0 provide, and what are their types?
The R7FA6T2AD3CNB#AA0 provides two independent analog converter systems: a 12-bit successive approximation ADC (ADC12) with 4 selectable input channels, and a 24-bit Sigma-Delta ADC (SDADC24) with 7 differential or single-ended input channels. The SDADC24 includes a programmable gain amplifier and supports sampling rates of 3.906–8.333 kHz, ideal for precision metrology.
What LCD driving capability does the R7FA6T2AD3CNB#AA0 offer?
The R7FA6T2AD3CNB#AA0 integrates a Segment LCD Controller (SLCDC) supporting up to 45 segment outputs and 4 common outputs (or 41 segments × 8 commons). It offers switchable bias methods - internal voltage boosting, capacitor split, or external resistor division - and supports blinking, waveform A/B selection, and direct drive without external components.
What safety and reliability features are built into the R7FA6T2AD3CNB#AA0?
The R7FA6T2AD3CNB#AA0 includes ECC on 16 KB of SRAM, Cyclic Redundancy Check (CRC) generator, Data Operation Circuit (DOC), Clock Frequency Accuracy Measurement Circuit (CAC), Independent Watchdog Timer (IWDT) with dedicated oscillator, and illegal memory access detection. These features support IEC 61508 SIL2 and ISO 13849 PLd compliance in industrial control applications.
R7FA6T2AD3CNB#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFQFN Exposed Pad
- Series:
- RA6T2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit
- Speed:
- 240MHz
- Connectivity:
- I2C, LINbus, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 51
- Program Memory Size:
- 512KB (512K 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:
R7FA6T2AD3CNB#AA0 FAQ
1.How can I place an order for R7FA6T2AD3CNB#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2AD3CNB#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 R7FA6T2AD3CNB#AA0 reliable?
The price and inventory of R7FA6T2AD3CNB#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2AD3CNB#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA6T2AD3CNB#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2AD3CNB#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2AD3CNB#AA0?
R7FA6T2AD3CNB#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2AD3CNB#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 R7FA6T2AD3CNB#AA0?
For technical support, including R7FA6T2AD3CNB#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2AD3CNB#AA0 requirements.
6.How does Aetrix verify that R7FA6T2AD3CNB#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2AD3CNB#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 R7FA6T2AD3CNB#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6T2AD3CNB#AA0?
All R7FA6T2AD3CNB#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2AD3CNB#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 R7FA6T2AD3CNB#AA0 part is unused and in its original packaging.
Return procedure for R7FA6T2AD3CNB#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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