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Renesas R7FA6T2BD3CFL#AA0
- Part No.:
- R7FA6T2BD3CFL#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FA6T2BD3CFL#AA0.pdf
- Description:
- MCU RA6T2 ARM CM33 240MHZ 512K/6
- Quantity:
- Payment:
- Shipping:
Inventory:448
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Product details
Overview
R7FA6T2BD3CFL#AA0 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, a 24-bit Sigma-Delta ADC (4-channel), and integrated segment LCD controller for low-power industrial HMI applications.
For engineers reviewing the R7FA6T2BD3CFL#AA0 datasheet, R7FA6T2BD3CFL#AA0 pinout, R7FA6T2BD3CFL#AA0 application, or R7FA6T2BD3CFL#AA0 equivalent, this device supports secure firmware updates via bank-swap flash, real-time clock with independent VRTC supply, and safety-critical functions including CAC, CRC, DOC, and IWDT-key for medical sensors and battery-powered metering.
Technical Context
The R7FA6T2BD3CFL#AA0 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 SDADC24 operates at 3.906–8.333 kHz sampling with programmable gain amplifier and differential input support.
System-level power management includes seven low-power modes, Event Link Controller (ELC) for peripheral-to-peripheral event routing without CPU involvement, and Data Transfer Controller (DTC) for autonomous memory transfers triggered by interrupts-critical for deterministic sensor data acquisition in energy-constrained environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M23 @ 48 MHz, Armv8-M architecture with MPU (8 regions) |
| Memory | 512-KB code flash (2 × 256 KB banks), 8-KB data flash (100k P/E cycles), 48-KB SRAM (ECC + parity) |
| Analog | 24-bit Sigma-Delta ADC (SDADC24) with 4 differential inputs, 12-bit ADC (ADC12) with 2 channels, on-chip temperature sensor |
| Timers | GPT16 × 5, AGT × 8 (16-bit), AGTW × 2 (32-bit), WDT/IWDT, RTC with calendar mode (2000–2099) |
| Connectivity | SCI × 4 (UART/SPI/IIC/smart card), IIC × 1, SPI × 1, ELC, DTC, AES-128/256, TRNG |
| Package & I/O | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), 67 GPIO, 3 input-only, 1 output-only, 5-V tolerant on 2 pins |
| Power & Temp | VCC = 1.6–5.5 V; operating temperature −40°C to +105°C; independent VRTC supply |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 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 power domains: digital core (VCC/VSS) and analog (AVCC/AVSS); decoupling required per datasheet layout guidelines |
| ANIP0–ANIP3 / ANIN0–ANIN3 | SDADC24 analog inputs | Differential input pairs for 4-channel 24-bit sigma-delta conversion; AVCM sets common-mode voltage |
| SEG0–SEG44 / COM0–COM7 | LCD segment/common outputs | Configurable for 45-segment × 4-common or 41-segment × 8-common drive; internal boost/capacitor-split modes supported |
| P001/P002, P300/P301, etc. | General-purpose I/O | 67 total GPIO with pull-up, N-ch open-drain (58 pins), 5-V tolerance on two pins; MD pin configures boot mode |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug (SWD) compliant with ARM CoreSight; enables flash programming and real-time trace |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with bank swap | Enables zero-downtime firmware updates: one bank executes while the other is reprogrammed |
| SDADC24 with PGA | 24-bit resolution at 3.906/8.333 kHz sampling; programmable gain amplifier supports µV-level sensor signals |
| Independent power supply RTC | Retains calendar time (2000–2099), alarm, and correction functions using dedicated VRTC pin and backup domain |
| Hardware security engine | AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM) + TRNG enables secure boot and encrypted communication |
| Safety peripherals | CAC, CRC, DOC, IWDT, SRAM ECC, flash protection, and illegal access detection meet IEC 61508 SIL2 requirements |
Applications
| Industrial Metering | Medical Sensor Hub |
|---|---|
Use Scenario: Battery-powered water/gas meter with tamper detection and LCD display. IC Role / Device Role / Timing Role: Main system controller managing SDADC24 for ultra-low-drift flow sensing, RTC for timestamped logs, and SLCDC for segmented display. Use Value: Dual-bank flash enables remote firmware patches; independent VRTC maintains accurate billing timestamps during main power loss. |
Use Scenario: Portable blood glucose monitor with analog front-end and graphical LCD. IC Role / Device Role / Timing Role: Signal processor for 24-bit SDADC24 interfacing with electrochemical sensor, driving 35-seg × 8-com LCD, and enforcing secure data export. Use Value: PGA gain control optimizes dynamic range for variable sensor output; AES encryption protects patient health records during Bluetooth transfer. |
| Smart Building Thermostat | Energy Harvesting Node |
Use Scenario: HVAC controller with ambient temperature/humidity sensing and local LCD UI. IC Role / Device Role / Timing Role: Real-time coordinator of ADC12 (temperature), SDADC24 (humidity transducer), RTC (scheduling), and SLCDC (user interface). Use Value: Low-power AGT timers wake the system only for scheduled readings; ELC links sensor triggers directly to ADC start-no CPU polling. |
Use Scenario: Wireless environmental sensor powered by solar cell + supercapacitor. IC Role / Device Role / Timing Role: Ultra-low-power manager using LVD monitoring on EXLVDVBAT, RTC wake-up, and burst-mode SDADC24 acquisition. Use Value: Sub-µA deep-sleep current with VRTC active; LVD_VBAT interrupt alerts on energy reserve depletion before data loss occurs. |
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, 7-channel SDADC24, 100-pin LQFP, identical core/peripherals except SDADC channel count | Required for higher-resolution multi-sensor systems (e.g., 7-wire strain gauge arrays) | Select when >4 SDADC inputs are needed; same pinout and software compatibility |
| R7FA6M2AF3CFP | RA6M2 series, Cortex-M33 core, 100 MHz, 1 MB flash, no SDADC24, adds Ethernet and USB FS | Suitable for networked gateway devices needing protocol stack offload, not precision analog acquisition | Choose for connectivity-rich applications where analog resolution is secondary to throughput and interface count |
Compared with R7FA6T2BD3CFL#AA0, R7FA2A2AD3CFP offers expanded SDADC channel count with full pin/software compatibility, while R7FA6M2AF3CFP trades analog precision for higher compute performance and communication interfaces-making it unsuitable for metrology but optimal for edge-node aggregation.
Availability
R7FA6T2BD3CFL#AA0 is available at Aetrix Electronics and suitable for industrial metering, medical sensor hubs, smart thermostats, and energy harvesting nodes requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA6T2BD3CFL#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 R7FA6T2BD3CFL#AA0-is designed for cost-sensitive, ultra-low-power applications demanding high analog precision, functional safety, and secure firmware execution in harsh environments.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T2BD3CFL#AA0?
The R7FA6T2BD3CFL#AA0 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 19-cycle integer divider. This architecture delivers deterministic real-time performance with enhanced security primitives essential for certified industrial and medical applications.
Does the R7FA6T2BD3CFL#AA0 support secure firmware updates, and how is this implemented?
Yes, the R7FA6T2BD3CFL#AA0 supports secure firmware updates via its dual-bank 512-KB flash memory with bank-swap capability. One bank runs the active application while the other is programmed; upon successful verification (using CRC or hardware signature check), the boot vector is atomically redirected. This eliminates runtime interruption and prevents partial-update corruption-critical for unattended field deployments.
What analog capabilities does the R7FA6T2BD3CFL#AA0 provide for precision sensing?
The R7FA6T2BD3CFL#AA0 integrates two complementary ADC subsystems: a 24-bit Sigma-Delta ADC (SDADC24) with 4 differential input channels, programmable gain amplifier, and configurable sampling rates (3.906/8.333 kHz); plus a 12-bit successive-approximation ADC (ADC12) with 2 channels and on-chip temperature sensor. These enable simultaneous high-resolution sensor measurement and system monitoring.
How does the R7FA6T2BD3CFL#AA0 support functional safety compliance in end equipment?
The R7FA6T2BD3CFL#AA0 includes multiple hardware safety mechanisms: Clock Frequency Accuracy Measurement Circuit (CAC), Cyclic Redundancy Check (CRC), Data Operation Circuit (DOC), Independent Watchdog Timer (IWDT), SRAM ECC, flash area protection, and illegal memory access detection. These features collectively support IEC 61508 SIL2 and ISO 13849 PL d certification pathways for industrial control and medical devices.
What LCD driving capability does the R7FA6T2BD3CFL#AA0 offer, and what configurations are supported?
The R7FA6T2BD3CFL#AA0 integrates a Segment LCD Controller/Driver (SLCDC) supporting up to 45 segments × 4 commons or 41 segments × 8 commons. It provides three drive methods-internal voltage boosting, capacitor split, and external resistance division-with selectable waveforms (A/B) and blink control. This enables direct drive of custom segmented displays in battery-powered HMI without external bias circuitry.
R7FA6T2BD3CFL#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- 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:
- 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 10x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA6T2BD3CFL#AA0 FAQ
1.How can I place an order for R7FA6T2BD3CFL#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2BD3CFL#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 R7FA6T2BD3CFL#AA0 reliable?
The price and inventory of R7FA6T2BD3CFL#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2BD3CFL#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA6T2BD3CFL#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2BD3CFL#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2BD3CFL#AA0?
R7FA6T2BD3CFL#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2BD3CFL#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 R7FA6T2BD3CFL#AA0?
For technical support, including R7FA6T2BD3CFL#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2BD3CFL#AA0 requirements.
6.How does Aetrix verify that R7FA6T2BD3CFL#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2BD3CFL#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 R7FA6T2BD3CFL#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA6T2BD3CFL#AA0?
All R7FA6T2BD3CFL#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2BD3CFL#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 R7FA6T2BD3CFL#AA0 part is unused and in its original packaging.
Return procedure for R7FA6T2BD3CFL#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA6T2BD3CFL#AA0 Tags
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