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Renesas R7FA6T2AD3CFL#BA1
- Part No.:
- R7FA6T2AD3CFL#BA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R7FA6T2AD3CFL#BA1.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,507
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Product details
Overview
R7FA6T2AD3CFL#BA1 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 hardware AES/TRNG security. It targets battery-powered industrial HMI, portable medical sensors, and energy metering systems requiring high-precision analog acquisition and secure real-time operation.
For engineers reviewing the R7FA6T2AD3CFL#BA1 datasheet, R7FA6T2AD3CFL#BA1 pinout, R7FA6T2AD3CFL#BA1 application, or R7FA6T2AD3CFL#BA1 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, dual-bank flash for safe firmware updates, and integrated ECC/SRAM parity for functional safety compliance.
Technical Context
The R7FA6T2AD3CFL#BA1 implements Armv8-M architecture with Memory Protection Unit (8 regions) and CoreSight™ MTB-M23 trace, enabling certified functional safety designs. Its analog subsystem integrates two independent ADCs: a 12-bit SAR converter (4 channels, internal reference support) and a 24-bit sigma-delta converter (7 differential/single-ended inputs, 7.813 kHz max sampling) with PLL-derived clocking for noise immunity.
Power management includes six low-voltage detectors (VCC, VRTC, EXLVDVBAT), multiple low-power modes, and independent RTC powered by VRTC pin-enabling calendar timekeeping during main power loss. The Event Link Controller (ELC) enables autonomous peripheral triggering without CPU intervention, critical for deterministic sensor data acquisition and motor control timing.
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 (100k P/E cycles), 48-KB SRAM with ECC/parity |
| Analog Peripherals | 24-bit SDADC24 (7 ch, 7.813 kHz sampling), 12-bit ADC12 (4 ch), 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 |
| Security | AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM), TRNG, CAC, CRC, DOC, register write protection |
| I/O & Packaging | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), 67 GPIOs, 3 input-only pins, 1 output-only pin, 5-V tolerant on 3 pins |
| Operating Range | 1.6 V to 5.5 V supply, -40°C to +105°C ambient temperature |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, tray-packed (#BA1).
| 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 |
| ANIP0–ANIP6 / ANIN0–ANIN6 | SDADC24 analog inputs | 7 differential or single-ended inputs for high-resolution sensor interfacing; AVRT provides internal reference voltage |
| SEG0–SEG44 / COM0–COM7 | LCD segment/common drivers | Configurable for 41-segment × 8-common or 45-segment × 4-common display drive; supports internal boosting and external resistor division |
| RTCIC0–RTCIC2 | RTC event capture inputs | Three dedicated pins for external time-capture events (e.g., pulse-per-second signals), each with independent interrupt capability |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug interface supporting programming, real-time tracing, and non-intrusive breakpoints |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with Bank Swap | Enables seamless firmware updates without system interruption; verified boot and rollback supported via software configuration |
| Memory Mirror Function (MMF) | Maps application image load address to link address in unused memory space, simplifying bootloader development and field upgrades |
| Event Link Controller (ELC) | Direct hardware routing of peripheral events (e.g., ADC conversion complete → DMA trigger) eliminates CPU polling and reduces latency |
| 24-bit Sigma-Delta ADC with PGA | Programmable gain amplifier supports direct connection to low-level transducer outputs (e.g., load cells, thermopiles) without external signal conditioning |
| Independent Power Supply RTC | Retains calendar time and alarm functions using VRTC pin during main power loss; includes RTCPOR circuit for clean reset on backup supply restoration |
Applications
| Industrial Energy Metering | Portable Medical Sensors |
|---|---|
Use Scenario: High-accuracy AC current/voltage measurement in smart electricity meters with tamper detection and secure firmware updates. IC Role / Device Role / Timing Role: Primary controller executing metrology algorithms, managing SDADC24 oversampling, performing AES-encrypted data logging, and maintaining RTC-synchronized billing intervals. Use Value: 24-bit SDADC24 achieves >100 dB SNR for Class 0.2 accuracy; dual-bank flash ensures zero-downtime field upgrades; independent RTC guarantees precise time-of-use tariff calculation. | Use Scenario: Battery-powered ECG/PPG monitor with on-device signal processing, secure patient data storage, and LCD-based real-time waveform display. IC Role / Device Role / Timing Role: System-on-chip handling analog front-end digitization, FIR filtering via MACL unit, AES-encrypted flash storage, and segment LCD driving with internal voltage boosting. Use Value: Integrated SDADC24 and PGA eliminate external op-amps; 48-KB SRAM with ECC supports robust signal buffering; low-power AGT timers enable precise sampling intervals at µA-level sleep currents. |
| Smart Building HMI Panels | Low-Power Industrial Controllers |
Use Scenario: Wall-mounted HVAC control panel with touchless gesture sensing, environmental monitoring, and local UI rendering. IC Role / Device Role / Timing Role: Main HMI processor managing capacitive touch inputs (via AGT/SCI), driving 45-segment LCD, reading temperature/humidity sensors, and communicating via I2C/IIC to subsystems. Use Value: Segment LCD controller supports multiplexed displays without external drivers; 77 GPIOs accommodate diverse sensor interfaces; LVD_VRTC detection ensures graceful shutdown during battery depletion. | Use Scenario: Distributed sensor node in predictive maintenance system collecting vibration, temperature, and current data for edge analytics. IC Role / Device Role / Timing Role: Autonomous data acquisition node using SDADC24 for high-fidelity analog capture, DTC for zero-CPU data movement, and IWDT for fail-safe recovery from firmware faults. Use Value: Independent watchdog (IWDT) with dedicated oscillator ensures reliable reset under brown-out; CRC and DOC units validate sensor data integrity before transmission; low-voltage detection triggers graceful data save before power loss. |
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 core, memory, and peripherals-but 100-pin LQFP with different pinout and no LCD driver support | Targeted at non-display applications requiring higher GPIO count and same analog precision | Select R7FA2A2AD3CFP when LCD interface is unnecessary and PCB layout prioritizes standard LQFP footprint over integrated display drive |
| R7FA6M2AF3CFP | RA6M2 family part: Cortex-M33 core, 100 MHz, 1 MB flash, but lacks SDADC24 and segment LCD controller | Suitable for higher-performance control tasks (e.g., motor control) where precision analog acquisition is secondary | Choose R7FA6M2AF3CFP when computational throughput and connectivity (USB, CAN FD) outweigh need for 24-bit sigma-delta conversion and integrated LCD drive |
Compared with R7FA2A2AD3CFP, R7FA6T2AD3CFL#BA1 adds integrated segment LCD driving and RTCIC inputs but reduces general-purpose I/O count; versus R7FA6M2AF3CFP, it trades raw CPU performance and memory size for superior analog resolution and ultra-low-power HMI capabilities-making it optimal for precision-sensing display endpoints.
Availability
R7FA6T2AD3CFL#BA1 is available at Aetrix Electronics and suitable for industrial energy metering, portable medical sensors, smart building HMI panels, and low-power industrial controllers requiring stable component supply across extended product lifecycles.
Supply support for R7FA6T2AD3CFL#BA1 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.
The RA2A2 group-including R7FA6T2AD3CFL#BA1-is designed specifically for ultra-low-power, high-precision analog-intensive applications in industrial HMI, portable instrumentation, and energy management systems.
FAQ
What is the maximum sampling rate of the 24-bit sigma-delta ADC in R7FA6T2AD3CFL#BA1?
The R7FA6T2AD3CFL#BA1's 24-bit SDADC24 supports a maximum sampling rate of 7.813 kHz in high-speed mode (with MOSC 12 MHz or PLL clock derived from SOSC). This rate is achievable in differential input mode with programmable gain amplifier enabled, providing >100 dB SNR for precision sensor applications like energy metering and medical diagnostics.
Does R7FA6T2AD3CFL#BA1 support secure firmware updates?
Yes, R7FA6T2AD3CFL#BA1 supports secure firmware updates through dual-bank flash with Bank Swap functionality, hardware AES encryption for stored images, and CRC-based integrity verification. The Memory Mirror Function (MMF) further simplifies bootloader design by abstracting physical flash layout, enabling robust over-the-air and field-upgrade workflows.
How many segment and common outputs does the integrated LCD controller provide in R7FA6T2AD3CFL#BA1?
The R7FA6T2AD3CFL#BA1's Segment LCD Controller (SLCDC) provides up to 45 segment outputs and 4 common outputs-or 41 segment outputs and 8 common outputs-configurable via software. This supports multiplexed LCD displays up to 360 segments (45 × 8) and enables flexible panel design for industrial HMIs and portable instruments.
What RTC features are enabled by the independent power supply in R7FA6T2AD3CFL#BA1?
R7FA6T2AD3CFL#BA1's independent power supply RTC uses the VRTC pin to maintain calendar time, alarm functions, and clock correction during main power loss. It includes RTCPOR circuitry for clean reset upon backup supply restoration and supports 99-year Gregorian calendar tracking with automatic leap-year adjustment-critical for energy metering and data-logging applications.
Which communication interfaces in R7FA6T2AD3CFL#BA1 support hardware flow control?
The R7FA6T2AD3CFL#BA1's five Serial Communications Interfaces (SCI) support hardware flow control via CTSn/RTSn pins in asynchronous mode. Each SCI channel includes dedicated FIFO buffers (on SCIn=0), configurable baud-rate generation, and interrupt-driven operation-enabling robust RS-232/RS-485 communication in noisy industrial environments without CPU overhead.
R7FA6T2AD3CFL#BA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-LQFP
- Series:
- RA6T2
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- 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:
- 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:
R7FA6T2AD3CFL#BA1 FAQ
1.How can I place an order for R7FA6T2AD3CFL#BA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2AD3CFL#BA1 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 R7FA6T2AD3CFL#BA1 reliable?
The price and inventory of R7FA6T2AD3CFL#BA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2AD3CFL#BA1 is usually 5 days.
3.What payment methods are accepted for R7FA6T2AD3CFL#BA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2AD3CFL#BA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2AD3CFL#BA1?
R7FA6T2AD3CFL#BA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2AD3CFL#BA1 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 R7FA6T2AD3CFL#BA1?
For technical support, including R7FA6T2AD3CFL#BA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2AD3CFL#BA1 requirements.
6.How does Aetrix verify that R7FA6T2AD3CFL#BA1 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2AD3CFL#BA1 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 R7FA6T2AD3CFL#BA1 meets industry standards.
7.What is the process for return or replacement of R7FA6T2AD3CFL#BA1?
All R7FA6T2AD3CFL#BA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2AD3CFL#BA1, 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 R7FA6T2AD3CFL#BA1 part is unused and in its original packaging.
Return procedure for R7FA6T2AD3CFL#BA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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