Renesas R7FA6T2AD3CFP#BA1
- Part No.:
- R7FA6T2AD3CFP#BA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA6T2AD3CFP#BA1.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 100LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,533
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Product details
Overview
R7FA6T2AD3CFP#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 firmware updates.
For engineers reviewing the R7FA6T2AD3CFP#BA1 datasheet, R7FA6T2AD3CFP#BA1 pinout, R7FA6T2AD3CFP#BA1 application, or R7FA6T2AD3CFP#BA1 equivalent, key selection criteria include its 100-pin LQFP package, -40°C to +105°C operating range, SDADC24 differential input support, on-chip ECC-SRAM, and pin-compatible scalability within the RA2A2 group for LCD-driven embedded devices.
Technical Context
The R7FA6T2AD3CFP#BA1 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 bank-swap firmware updates without runtime interruption, while the SDADC24 uses PLL-multiplied 32.768 kHz clock for stable 7.813 kHz sampling.
System-level integration includes Event Link Controller (ELC) for CPU-free peripheral triggering, Data Transfer Controller (DTC) for autonomous data movement, and SLCDC supporting up to 45 segments × 4 commons or 41 segments × 8 commons-configurable via internal boosting, capacitor split, or external resistor division methods.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz max; supports TrustZone-based secure execution and MPU-protected memory regions. |
| Memory | 512-KB dual-bank code flash (256 KB × 2) with bank swap; 8-KB data flash (100k P/E cycles); 48-KB SRAM with ECC on 16 KB. |
| Analog Peripherals | 24-bit Sigma-Delta ADC (SDADC24) with 7 differential/single-ended channels; 12-bit ADC (ADC12) with 4 inputs; on-die temperature sensor. |
| Timing & RTC | Independent VRTC-supplied RTC with calendar mode (2000–2099), alarm, correction, and 1/64 Hz output; IWDT with dedicated 15 kHz oscillator. |
| Security | Hardware AES-128/256 (ECB/CBC/CTR/GCM/CMAC/CCM); True Random Number Generator (TRNG); Cyclic Redundancy Check (CRC) engine. |
| I/O & Packaging | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch); 67 general-purpose I/O pins; 3 input-only, 1 output-only; 5-V tolerant on 3 pins including RTCIC. |
| Power & Environment | Operating voltage: 1.6–5.5 V; extended temperature range: -40°C to +105°C; low-power modes with ELC/DTC wake-up capability. |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, RoHS-compliant Pb-free termination.
| 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 | Differential pair inputs for 24-bit sigma-delta conversion; support PGA gain configuration and noise-rejecting sampling. |
| SEG0–SEG44 / COM0–COM7 | SLCDC outputs | Drive up to 45×4 or 41×8 LCD segments; configurable waveform A/B, internal boost, and common voltage routing. |
| XCIN / XCOUT | Sub-clock oscillator interface | Connects 32.768 kHz crystal for RTC and SDADC24 PLL reference; supports stop detection and automatic clock switching. |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug port compliant with ARM CoreSight; enables full debug, trace, and programming without JTAG pins. |
Key Features
| Feature | Design Value |
|---|---|
| Memory Mirror Function (MMF) | Maps application image load address to fixed link address in 23-bit mirror space-enables position-independent code without linker rework. |
| SDADC24 Clock Architecture | Uses PLL-multiplied 32.768 kHz sub-oscillator as master clock-eliminates need for external high-frequency crystal while maintaining precision timing. |
| Segment LCD Driver Flexibility | Three voltage generation methods (internal boost, capacitor split, external resistor) allow single-chip LCD drive across varied display types and supply rails. |
| Independent Power Supply RTC | VRTC pin accepts separate backup supply; retains calendar, alarm, and correction functions during main power loss-no external RTC IC needed. |
| Hardware Security Acceleration | AES and TRNG operate independently of CPU core-enables concurrent encryption and real-time processing without performance penalty or software stack exposure. |
Applications
| Industrial Energy Metering | Portable Medical Sensors |
|---|---|
Use Scenario: High-accuracy AC current/voltage measurement in smart electricity meters using shunt resistors or current transformers. IC Role / Device Role / Timing Role: R7FA6T2AD3CFP#BA1 acts as primary signal acquisition and computation unit, leveraging SDADC24's 24-bit resolution and built-in PGA to resolve µV-level signals amid noisy 50/60 Hz environments. Use Value: Eliminates external precision ADC and reference ICs; dual-bank flash enables field-upgradable metrology firmware without service interruption. | Use Scenario: Battery-powered blood glucose or ECG monitors requiring long runtime, clinical-grade analog accuracy, and secure patient data handling. IC Role / Device Role / Timing Role: R7FA6T2AD3CFP#BA1 integrates analog front-end, secure BLE interface control, and LCD driver-reducing BOM count while meeting IEC 62304 safety requirements. Use Value: On-chip ECC-SRAM and AES acceleration meet data integrity and HIPAA-compliant encryption mandates; RTC with VRTC backup ensures timestamp continuity during battery swaps. |
| Smart Building HMI Panels | Low-Power Industrial Controllers |
Use Scenario: Wall-mounted HVAC or lighting control panels with segmented LCD displays and touch or button interfaces. IC Role / Device Role / Timing Role: R7FA6T2AD3CFP#BA1 serves as complete HMI controller-driving up to 45×4 LCD segments, scanning buttons via GPIO, and managing local logic without external display driver. Use Value: Integrated SLCDC eliminates external LCD driver IC; low-power AGT/AGTW timers enable precise backlight dimming and wake-on-event responsiveness. | Use Scenario: Remote environmental monitoring nodes (temperature, humidity, gas) deployed in unattended locations with multi-year battery life. IC Role / Device Role / Timing Role: R7FA6T2AD3CFP#BA1 operates in deep-sleep mode with RTC and AGT wake-up triggers, performing periodic sensor reads via ADC12/TSN and transmitting via SCI UART to gateway. Use Value: Sub-µA sleep current with fast wake-up (<1 µs), combined with integrated LVD and POR, ensures reliable operation across wide voltage and temperature ranges. |
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 group, identical 100-pin LQFP package, 512-KB flash, 48-KB SRAM, and SDADC24 7-channel-but lacks TrustZone security extensions and has reduced peripheral count (e.g., only 4 SCI vs. 5). | Targeted at cost-sensitive industrial controls where cryptographic security is not mandated; no hardware isolation between secure/non-secure firmware. | Select R7FA2A2AD3CFP when AES/TRNG and MPU-based memory partitioning are unnecessary, and lower BOM cost is prioritized over future-proof security compliance. |
| R7FA6M2AF3CFP | RA6M2-series part with Cortex-M33 core, 100-pin LQFP, 1 MB flash, 256 KB RAM, and enhanced peripheral set-but no SDADC24 or SLCDC; higher power consumption and no independent RTC supply. | Suitable for high-performance motor control or connectivity gateways needing Ethernet/USB, but unsuitable for precision analog or LCD-driven HMI roles. | Choose R7FA6M2AF3CFP only if migrating to higher compute throughput and connectivity features outweighs loss of SDADC24 resolution and integrated LCD driving capability. |
Compared with R7FA2A2AD3CFP, the R7FA6T2AD3CFP#BA1 adds TrustZone and enhanced security peripherals without sacrificing analog or display capabilities; versus R7FA6M2AF3CFP, it trades raw performance for ultra-low-power precision sensing and human interface integration-making it uniquely suited for secure, battery-operated measurement and display endpoints.
Availability
R7FA6T2AD3CFP#BA1 is available at Aetrix Electronics and suitable for industrial energy metering, portable medical sensors, smart building HMI panels, and low-power environmental controllers requiring stable component supply across extended product lifecycles.
Supply support for R7FA6T2AD3CFP#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 microcontroller group-including R7FA6T2AD3CFP#BA1-is designed specifically for ultra-low-power, high-precision analog and human-machine interface applications in harsh industrial and medical environments.
FAQ
What is the maximum operating frequency and core architecture of the R7FA6T2AD3CFP#BA1?
The R7FA6T2AD3CFP#BA1 features an Arm Cortex-M23 core operating at up to 48 MHz, implementing the Armv8-M architecture with TrustZone security extensions, Memory Protection Unit (8 regions), and CoreSight™ MTB-M23 trace. This architecture enables certified functional safety and secure firmware partitioning critical for industrial and medical deployments of the R7FA6T2AD3CFP#BA1.
Does the R7FA6T2AD3CFP#BA1 support hardware-accelerated cryptography?
Yes, the R7FA6T2AD3CFP#BA1 integrates a dedicated hardware 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 accelerators operate independently of the CPU core, allowing concurrent encryption and real-time processing-essential for secure firmware updates and data confidentiality in the R7FA6T2AD3CFP#BA1.
What LCD driving capabilities does the R7FA6T2AD3CFP#BA1 provide?
The R7FA6T2AD3CFP#BA1 includes a Segment LCD Controller/Driver (SLCDC) supporting up to 45 segments × 4 commons or 41 segments × 8 commons. It offers three voltage generation methods-internal boosting, capacitor split, and external resistor division-and selectable waveforms (A/B) for flexible display compatibility. This eliminates external LCD drivers in designs using the R7FA6T2AD3CFP#BA1.
How does the R7FA6T2AD3CFP#BA1 handle analog signal acquisition with high resolution?
The R7FA6T2AD3CFP#BA1 integrates two complementary ADCs: a 24-bit Sigma-Delta converter (SDADC24) with 7 differential/single-ended channels and programmable gain amplifier, and a 12-bit successive-approximation ADC (ADC12) with 4 inputs and temperature sensor interface. SDADC24 uses a PLL-multiplied 32.768 kHz clock for stable 7.813 kHz sampling-delivering precision essential for the R7FA6T2AD3CFP#BA1 in metering and sensor applications.
What packaging and temperature grade is specified for the R7FA6T2AD3CFP#BA1?
The R7FA6T2AD3CFP#BA1 is supplied in a 100-pin LQFP package (PLQP0100KB-B, 14 mm × 14 mm, 0.5 mm pitch) rated for industrial temperature operation from -40°C to +105°C. Its pinout includes 67 general-purpose I/Os, 3 input-only pins, 1 output-only pin, and 3 pins with 5-V tolerance-including RTCIC0–RTCIC2-ensuring robust interfacing in the R7FA6T2AD3CFP#BA1's target applications.
R7FA6T2AD3CFP#BA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-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:
- 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#BA1 FAQ
1.How can I place an order for R7FA6T2AD3CFP#BA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA6T2AD3CFP#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 R7FA6T2AD3CFP#BA1 reliable?
The price and inventory of R7FA6T2AD3CFP#BA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA6T2AD3CFP#BA1 is usually 5 days.
3.What payment methods are accepted for R7FA6T2AD3CFP#BA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA6T2AD3CFP#BA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA6T2AD3CFP#BA1?
R7FA6T2AD3CFP#BA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA6T2AD3CFP#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 R7FA6T2AD3CFP#BA1?
For technical support, including R7FA6T2AD3CFP#BA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA6T2AD3CFP#BA1 requirements.
6.How does Aetrix verify that R7FA6T2AD3CFP#BA1 is sourced from the original manufacturer or authorized distributors?
All R7FA6T2AD3CFP#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 R7FA6T2AD3CFP#BA1 meets industry standards.
7.What is the process for return or replacement of R7FA6T2AD3CFP#BA1?
All R7FA6T2AD3CFP#BA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA6T2AD3CFP#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 R7FA6T2AD3CFP#BA1 part is unused and in its original packaging.
Return procedure for R7FA6T2AD3CFP#BA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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