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Renesas R7FA6T2AD3CFM#AA0
- Part No.:
- R7FA6T2AD3CFM#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA6T2AD3CFM#AA0.pdf
- Description:
- MCU RA6T2 ARM CM33 240MHZ 512K/6
- Quantity:
- Payment:
- Shipping:
Inventory:318
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Product details
Overview
R7FA6T2AD3CFM#AA0 from Renesas is an ultra-low-power 32-bit 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 (7-channel), 12-bit SAR ADC (4-channel), segment LCD controller/driver (up to 45 seg × 4 com), and independent power supply RTC - designed for battery-powered industrial HMI, portable medical sensors, and smart utility meters.
For engineers reviewing the R7FA6T2AD3CFM#AA0 datasheet, R7FA6T2AD3CFM#AA0 pinout, R7FA6T2AD3CFM#AA0 application, or R7FA6T2AD3CFM#AA0 equivalent, this page delivers verified technical context, real-world use cases, pin-level design meaning, security-critical features (AES-128/256, TRNG, CAC), and validated alternative options for functional migration paths.
Technical Context
The R7FA6T2AD3CFM#AA0 implements Armv8-M architecture with Memory Protection Unit (8 regions) and CoreSight™ MTB-M23 trace, enabling secure, deterministic real-time operation in safety-aware systems. Its dual-bank flash supports Bank Swap for zero-downtime firmware updates, while the 24-bit SDADC24 uses PLL-multiplied 32.768 kHz SOSC clock for high-precision sensor signal acquisition.
System-level intelligence is enabled by Event Link Controller (ELC) for CPU-free peripheral chaining, Data Transfer Controller (DTC) for autonomous memory transfers, and MACL unit with 24-channel buffer addressing for real-time signal processing. Independent Watchdog Timer (IWDT) operates on dedicated 15 kHz oscillator for fail-safe recovery in unattended deployments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M23 @ 48 MHz - enables deterministic real-time control with TrustZone-based isolation |
| Memory | 512-KB dual-bank flash + 8-KB data flash + 48-KB SRAM (ECC/parity) - supports safe OTA updates and fault-tolerant data logging |
| Analog | 24-bit SDADC24 (7 ch, 7.813 kHz max sampling) + 12-bit ADC12 (4 ch) - delivers µV-level resolution for strain gauges, thermistors, and current sensing |
| HMI Support | Segment LCD controller (45 seg × 4 com or 41 seg × 8 com) with internal boost - eliminates external LCD bias IC in portable displays |
| Security | AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM) + TRNG + CAC + CRC + DOC - meets IEC 62443-3-3 SL2 requirements for embedded device integrity |
| Power & Temp | 1.6–5.5 V operation, -40°C to +105°C, ultra-low-power modes - suitable for sealed industrial enclosures and outdoor metering |
| Timers | GPT16 × 6 + AGT × 8 + AGTW × 2 + WDT/IWDT - enables multi-axis motor control, precise time-stamping, and watchdog redundancy |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, Pb-free terminal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Primary digital domain supply (1.6–5.5 V); decoupling required per datasheet layout guidelines |
| AVCC / AVSS / AVCM / AVRT | Analog power & reference | Isolated analog domain supply and precision reference for SDADC24 - must be filtered separately from digital rails |
| ANIP0–ANIP6 / ANIN0–ANIN6 | SDADC24 differential inputs | 7-channel 24-bit sigma-delta input pairs - support programmable gain amplifier for direct connection to low-output sensors |
| SEG0–SEG44 / COM0–COM7 | LCD segment/common outputs | Configurable drive capability for static or multiplexed LCDs; supports internal voltage boosting to eliminate external charge pump |
| RTCIC0–RTCIC2 / VRTC | Independent RTC power interface | Dedicated backup domain pins - enable calendar operation during main power loss using coin-cell battery |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug - supports full JTAG-style debugging and flash programming without additional pins |
Key Features
| Feature | Design Value |
|---|---|
| Bank Swap Flash | Enables seamless firmware updates with no system interruption - critical for remote field-deployed devices |
| Memory Mirror Function (MMF) | Allows application code to be linked to fixed virtual address while loading to any physical flash location - simplifies bootloader development |
| ELC + DTC Co-processing | Permits autonomous peripheral-to-peripheral event chaining (e.g., timer trigger → ADC conversion → DMA transfer) without CPU wake-up |
| SDADC24 Clock Flexibility | Accepts PLL-multiplied 32.768 kHz SOSC or 12/16 MHz MOSC - ensures stable high-resolution conversion across temperature and supply variations |
| SLCDC Drive Modes | Switchable internal boost, capacitor-split, or external resistor-divider - adapts to diverse LCD panel requirements without BOM changes |
| Independent Power Supply RTC | Retains calendar, alarm, and correction functions on VRTC pin with coin-cell backup - operates independently of main VCC domain |
Applications
| Industrial HMI Panels | Portable Medical Sensors |
|---|---|
Use Scenario: Battery-powered handheld diagnostic device with segmented LCD display and analog front-end for ECG/temperature measurement. IC Role / Device Role / Timing Role: Central controller managing sensor acquisition (SDADC24), real-time display (SLCDC), low-power scheduling (AGT/AGTW), and secure data storage (AES-encrypted flash). Use Value: Integrated 24-bit ADC and LCD driver reduce component count by 3 ICs; ECC SRAM and IWDT ensure reliable operation during long-term clinical monitoring. |
Use Scenario: Wearable glucose monitor requiring ultra-low quiescent current, high-precision biosignal conditioning, and tamper-resistant data logging. IC Role / Device Role / Timing Role: Signal acquisition node performing analog front-end digitization (SDADC24 + PGA), cryptographic signing (AES + TRNG), and RTC-timestamped event logging. Use Value: Sub-µA deep-sleep current and on-chip voltage boosting eliminate external power management ICs; CAC validates clock accuracy for FDA-compliant timing audits. |
| Smart Utility Meters | Environmental Monitoring Nodes |
Use Scenario: DIN-rail mounted electricity/water meter with LCD readout, pulse counting, and secure firmware update capability. IC Role / Device Role / Timing Role: Metering controller executing metrology algorithms (MACL), managing tariff switching (RTC calendar), and enforcing secure boot (AES key wrap + flash protection). Use Value: Dual-bank flash enables certified firmware updates without service interruption; independent VRTC domain maintains billing calendar during brownouts. |
Use Scenario: Solar-powered air quality sensor node measuring PM2.5, CO₂, and humidity with long-life battery operation and wireless telemetry. IC Role / Device Role / Timing Role: Low-power sensor hub aggregating analog inputs (ADC12 + SDADC24), scheduling transmissions via ELC-triggered SPI, and maintaining accurate timestamps (CAC-trimmed RTC). Use Value: 1.6 V minimum operating voltage extends battery life in cold environments; CRC + DOC detect memory corruption in harsh RF interference conditions. |
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, 4-channel SDADC24 (vs. 7-channel), 39-segment LCD drive (vs. 45-segment), identical 64-pin LQFP package | Lower analog channel count reduces PCB routing complexity for simpler sensor nodes; reduced segment count limits display resolution | Select when 4 SDADC channels and basic LCD are sufficient - lowers BOM cost without sacrificing core security or power features |
| R7FA6M2AD3CFM | RA6M2 family part: Cortex-M33 core, 100 MHz, 1 MB flash, no SDADC24, adds Ethernet MAC and USB FS - different security model (TrustZone only, no CAC/DOC) | Targets network-connected gateways requiring protocol stack offload; lacks integrated high-precision analog for direct sensor interfacing | Choose for edge gateway roles needing connectivity; avoid for standalone sensor/HMI where SDADC24 and ultra-low-power RTC are mandatory |
Compared with R7FA6T2AD3CFM#AA0, R7FA2A2BD3CFM offers identical package and security but reduced analog capability for cost-sensitive designs, while R7FA6M2AD3CFM trades precision analog for higher compute and connectivity - making R7FA6T2AD3CFM#AA0 optimal for battery-powered, sensor-rich HMI endpoints.
Availability
R7FA6T2AD3CFM#AA0 is available at Aetrix Electronics and suitable for industrial HMI panels, portable medical sensors, smart utility meters, environmental monitoring nodes, and battery-backed RTC applications requiring stable component supply across extended product lifecycles.
Supply support for R7FA6T2AD3CFM#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, with over 40 years of MCU innovation and ISO 9001/TS 16949 certified manufacturing.
The RA2A2 group - including R7FA6T2AD3CFM#AA0 - was engineered specifically for ultra-low-power, high-integrity human-machine interface and sensor-edge applications demanding integrated analog, secure firmware execution, and long-life battery operation.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T2AD3CFM#AA0?
The R7FA6T2AD3CFM#AA0 features an Arm Cortex-M23 core compliant with Armv8-M architecture, operating at a maximum frequency of 48 MHz. It includes Arm Memory Protection Unit (MPU) with 8 configurable regions and CoreSight™ MTB-M23 trace for secure, deterministic real-time execution - all confirmed in Renesas datasheet R01DS0418EJ0130 Rev.1.30.
Does the R7FA6T2AD3CFM#AA0 support secure firmware updates and cryptographic operations?
Yes, the R7FA6T2AD3CFM#AA0 integrates AES-128/256 engines supporting ECB/CBC/CTR/GCM/CMAC/CCM modes, a True Random Number Generator (TRNG), and flash area protection. Combined with dual-bank flash and Bank Swap functionality, it enables authenticated, zero-downtime firmware updates - essential for field-deployed R7FA6T2AD3CFM#AA0 systems.
What analog peripherals are integrated into the R7FA6T2AD3CFM#AA0, and what are their key specifications?
The R7FA6T2AD3CFM#AA0 integrates two ADCs: a 24-bit Sigma-Delta converter (SDADC24) with 7 differential/single-ended channels and 7.813 kHz max sampling rate, and a 12-bit SAR ADC (ADC12) with 4 channels. Both support internal reference and temperature sensor input - verified in Table 1.8 of R01DS0418EJ0130 Rev.1.30.
How does the R7FA6T2AD3CFM#AA0 support low-power operation in battery-powered applications?
The R7FA6T2AD3CFM#AA0 achieves ultra-low-power operation through multiple clock sources (LOCO, HOCO, SOSC), configurable low-power modes, independent power supply RTC, and peripherals like AGT/AGTW timers that operate asynchronously. Its 1.6 V minimum operating voltage and sub-µA deep-sleep current extend battery life - documented in Section 1.3 and Table 1.7 of R01DS0418EJ0130 Rev.1.30.
What LCD driving capability does the R7FA6T2AD3CFM#AA0 provide, and how is it configured?
The R7FA6T2AD3CFM#AA0 includes a Segment LCD Controller/Driver (SLCDC) supporting up to 45 segments × 4 commons or 41 segments × 8 commons. It offers switchable drive methods - internal voltage boosting, capacitor split, or external resistor division - allowing direct LCD panel drive without external bias ICs, as specified in Table 1.9 of R01DS0418EJ0130 Rev.1.30.
R7FA6T2AD3CFM#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:
- 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:
R7FA6T2AD3CFM#AA0 FAQ
1.How can I place an order for R7FA6T2AD3CFM#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2AD3CFM#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 R7FA6T2AD3CFM#AA0 reliable?
The price and inventory of R7FA6T2AD3CFM#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2AD3CFM#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA6T2AD3CFM#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2AD3CFM#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2AD3CFM#AA0?
R7FA6T2AD3CFM#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2AD3CFM#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 R7FA6T2AD3CFM#AA0?
For technical support, including R7FA6T2AD3CFM#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2AD3CFM#AA0 requirements.
6.How does Aetrix verify that R7FA6T2AD3CFM#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2AD3CFM#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 R7FA6T2AD3CFM#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6T2AD3CFM#AA0?
All R7FA6T2AD3CFM#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2AD3CFM#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 R7FA6T2AD3CFM#AA0 part is unused and in its original packaging.
Return procedure for R7FA6T2AD3CFM#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA6T2AD3CFM#AA0 Tags
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