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Renesas R7FA6T2AD3CFP#BA0
- Part No.:
- R7FA6T2AD3CFP#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA6T2AD3CFP#BA0.pdf
- Description:
- MCU RA6T2 ARM CM33 240MHZ 512/64
- Quantity:
- Payment:
- Shipping:
Inventory:715
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Product details
Overview
R7FA6T2AD3CFP#BA0 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 (7-channel differential), and integrated segment LCD controller for low-power industrial HMI applications.
For engineers reviewing the R7FA6T2AD3CFP#BA0 datasheet, R7FA6T2AD3CFP#BA0 pinout, R7FA6T2AD3CFP#BA0 application, or R7FA6T2AD3CFP#BA0 equivalent, this MCU delivers verified ultra-low-power operation across -40°C to +105°C, hardware security (AES-128/256, TRNG), and real-time clock with independent VRTC supply - critical for battery-backed metering and portable medical devices.
Technical Context
The R7FA6T2AD3CFP#BA0 implements the Armv8-M architecture with Memory Protection Unit (8 regions), debug via SW-DP, and safety features including SRAM ECC, flash area protection, CAC for clock accuracy validation, and dual watchdogs (WDT/IWDT). Its SDADC24 uses PLL-multiplied 32.768 kHz SOSC for high-precision measurement at 3.906–7.813 kHz sampling rates.
It integrates Event Link Controller (ELC) for CPU-free peripheral triggering, Data Transfer Controller (DTC) for autonomous data movement, and MACL unit with 24-channel buffer addressing - enabling deterministic signal processing in sensor fusion and motor control without CPU load.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M23 @ 48 MHz, Armv8-M architecture with MPU (8 regions) |
| Memory | 512-KB dual-bank code flash (256 KB × 2), 8-KB data flash (100k P/E cycles), 48-KB SRAM (32 KB parity + 16 KB ECC) |
| Analog | 24-bit Sigma-Delta ADC (SDADC24) with 7-channel differential input, 12-bit ADC (ADC12) with 4 channels, on-chip temperature sensor |
| Timing & RTC | Independent power supply RTC (99-year calendar, alarm, correction), AGT × 8 (16-bit), AGTW × 2 (32-bit), GPT16 × 6 |
| Connectivity | SCI × 5 (UART/IIC/SPI/smart card), I2C × 2, SPI × 1, 77 GPIO (67 I/O + 3 input-only + 1 output-only, 5-V tolerant) |
| Security | AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM), TRNG, CRC, DOC, register write protection, illegal access detection |
| Power & Temp | VCC = 1.6–5.5 V; operating temperature −40°C to +105°C; supports low-power modes with ELC/DTC offloading |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, Pb-free terminal material.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC pins support decoupling; VSS provides analog/digital ground separation for noise-sensitive SDADC24 and ADC12 |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for independent RTC and SDADC24 clock source; enables battery-backed timekeeping |
| ANIP0–ANIP6 / ANIN0–ANIN6 | SDADC24 analog inputs | Differential pair inputs supporting 7-channel simultaneous sampling; internal PGA allows gain configuration for microvolt-level signals |
| SEG0–SEG44 / COM0–COM7 | LCD segment/common drivers | Configurable 45-seg × 4-com or 41-seg × 8-com drive; internal boosting/capacitor-split modes reduce external component count |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug (SW-DP) for programming and real-time trace; compatible with standard ARM debug probes |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Enables seamless firmware update by mirroring application image from flash bank A to B without linker reconfiguration or address remapping |
| SDADC24 Clock Source Flexibility | Supports PLL-multiplied SOSC (32.768 kHz → 12.0/12.8 MHz) or MOSC (12/16 MHz) - eliminates need for external high-frequency crystal in precision metrology |
| Independent Power Supply RTC | VRTC pin accepts separate backup supply; retains calendar, alarm, and correction functions during main power loss - essential for energy meters and data loggers |
| Hardware Accelerated Security | AES engine executes full GCM/CCM operations in hardware with DMA-linked data transfer; TRNG meets NIST SP 800-90B entropy requirements |
| Low-Power Timer Offload | AGT/AGTW timers operate asynchronously from main clock domain; maintain timing accuracy in stop mode while consuming <1 µA |
Applications
| Energy Metering | Portable Medical Devices |
|---|---|
Use Scenario: Three-phase electricity meter with tamper detection, tariff switching, and LCD display. IC Role / Device Role / Timing Role: Main system controller handling SDADC24-based current/voltage sampling, RTC-driven billing intervals, and SLCDC-driven 4-digit LCD. Use Value: Dual-bank flash enables field-upgradable firmware without service interruption; independent VRTC ensures accurate time-of-use billing during mains failure. |
Use Scenario: Handheld blood glucose monitor with analog sensor interface and battery-backed display. IC Role / Device Role / Timing Role: Signal acquisition node performing 24-bit SDADC24 conversion of electrochemical sensor output, managing low-battery alerts via LVD, and driving segmented LCD. Use Value: On-chip PGA and programmable SDADC24 filter eliminate external op-amp stages; 1.6 V minimum VCC extends battery life in coin-cell-powered designs. |
| Industrial HMI Panels | Smart Sensor Nodes |
Use Scenario: DIN-rail mounted HVAC controller with local LCD, push-button interface, and Modbus RTU communication. IC Role / Device Role / Timing Role: Human-machine interface processor executing touchless button scanning via AGT timers, rendering dynamic LCD content, and managing SCI-based UART-to-Modbus bridge. Use Value: ELC-triggered DTC transfers enable zero-CPU-overhead UART buffering; SLCDC's capacitor-split mode reduces bill-of-materials by removing external voltage dividers. |
Use Scenario: Wireless vibration sensor node with piezoelectric transducer, BLE connectivity, and predictive maintenance analytics. IC Role / Device Role / Timing Role: Edge signal processor acquiring high-resolution acceleration data via SDADC24, running FFT on MACL unit, and preparing encrypted payload for transmission. Use Value: Hardware AES encryption and TRNG secure OTA updates; 24-channel MACL buffers allow continuous accumulation of spectral bins without RAM allocation overhead. |
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 100-pin LQFP package, same 512-KB flash/48-KB SRAM, but lacks TrustZone and advanced security peripherals (e.g., no secure boot ROM) | Suitable for cost-sensitive industrial controls where AES/TRNG not required; no hardware root-of-trust for secure firmware updates | Select R7FA2A2AD3CFP only when security certification (e.g., IEC 62443) is not mandated and BOM cost reduction is primary goal |
| R7FA6M2AD3CFP | RA6M2-series part with Cortex-M33 core, higher 100 MHz max frequency, larger 1 MB flash, but no SDADC24 or SLCDC; uses different pinout and lacks independent VRTC | Better suited for high-throughput communication gateways or motor control; cannot replace R7FA6T2AD3CFP#BA0 in LCD-driven, ultra-low-power metrology roles | Choose R7FA6M2AD3CFP only when application demands >48 MHz performance or USB/ETH connectivity - not for direct functional replacement |
Compared with R7FA2A2AD3CFP and R7FA6M2AD3CFP, the R7FA6T2AD3CFP#BA0 uniquely combines 24-bit SDADC24, segment LCD driver, independent VRTC, and hardware AES in a single 100-pin LQFP package - making it irreplaceable for certified, battery-backed, high-precision analog front-end applications requiring minimal external components.
Availability
R7FA6T2AD3CFP#BA0 is available at Aetrix Electronics and suitable for energy metering, portable medical devices, industrial HMI panels, smart sensor nodes, and battery-backed real-time data loggers requiring stable component supply over extended product lifecycles.
Supply support for R7FA6T2AD3CFP#BA0 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 is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for industrial, automotive, and IoT markets.
The R7FA6T2AD3CFP#BA0 belongs to the RA2A2 group - designed specifically for ultra-low-power, high-precision analog-intensive applications such as utility metering, portable diagnostics, and human-machine interfaces with integrated LCD drivers.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T2AD3CFP#BA0?
The R7FA6T2AD3CFP#BA0 features an Arm Cortex-M23 core compliant with the Armv8-M architecture and operates at a maximum frequency of 48 MHz. It includes an 8-region Memory Protection Unit (MPU), SysTick timer, and debug support via SW-DP. This architecture enables efficient execution of real-time tasks while maintaining memory isolation for safety-critical applications - a key capability confirmed in the R01DS0418EJ0130 datasheet.
Does the R7FA6T2AD3CFP#BA0 support hardware-accelerated cryptography?
Yes, the R7FA6T2AD3CFP#BA0 integrates a dedicated AES engine supporting ECB, CBC, CTR, GCM, CMAC, and CCM cipher modes with 128-bit and 256-bit key lengths. It also includes a True Random Number Generator (TRNG) compliant with NIST SP 800-90B entropy standards. These features are implemented in hardware and accessible via Renesas' Secure Crypto Engine API - enabling secure boot, firmware signing, and encrypted communication without software overhead.
What analog peripherals are integrated into the R7FA6T2AD3CFP#BA0?
The R7FA6T2AD3CFP#BA0 integrates two high-precision analog subsystems: a 24-bit Sigma-Delta ADC (SDADC24) with 7-channel differential input and programmable gain amplifier, and a 12-bit successive-approximation ADC (ADC12) with 4 input channels. It also includes an on-chip temperature sensor (TSN) and supports multiple reference configurations (VREFH0/VREFL0, AVRT, AVCM). These are validated for use in metrology-grade applications per the R01DS0418EJ0130 specification.
How does the independent power supply RTC function in the R7FA6T2AD3CFP#BA0?
The R7FA6T2AD3CFP#BA0 features an independent power supply RTC connected to the VRTC pin, allowing calendar operation (99-year range), alarm generation, and clock correction even when main VCC is absent. The RTC maintains time using the 32.768 kHz sub-clock oscillator (SOSC) and includes an on-chip RTC power-on-reset (RTCPOR) circuit. This functionality is explicitly documented for battery-backed applications like energy meters and data loggers in the RA2A2 datasheet.
What package type and pin count does the R7FA6T2AD3CFP#BA0 use?
The R7FA6T2AD3CFP#BA0 is packaged in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), designated by the "FP" suffix in its part number. It provides 67 general-purpose I/O pins, 3 input-only pins, and 1 output-only pin, with 5-V tolerance on selected pins and N-channel open-drain capability on 58 outputs. This package mapping is confirmed in Table 1.12 and Figure 1.3 of the R01DS0418EJ0130 datasheet.
R7FA6T2AD3CFP#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-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:
- 84
- 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 38x12b SAR; D/A 4x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6T2AD3CFP#BA0 FAQ
1.How can I place an order for R7FA6T2AD3CFP#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2AD3CFP#BA0 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 R7FA6T2AD3CFP#BA0 reliable?
The price and inventory of R7FA6T2AD3CFP#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2AD3CFP#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA6T2AD3CFP#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2AD3CFP#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2AD3CFP#BA0?
R7FA6T2AD3CFP#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2AD3CFP#BA0 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 R7FA6T2AD3CFP#BA0?
For technical support, including R7FA6T2AD3CFP#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2AD3CFP#BA0 requirements.
6.How does Aetrix verify that R7FA6T2AD3CFP#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2AD3CFP#BA0 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 R7FA6T2AD3CFP#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA6T2AD3CFP#BA0?
All R7FA6T2AD3CFP#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2AD3CFP#BA0, 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 R7FA6T2AD3CFP#BA0 part is unused and in its original packaging.
Return procedure for R7FA6T2AD3CFP#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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