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Renesas R7FA2L1AB2DFN#AA0
- Part No.:
- R7FA2L1AB2DFN#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R7FA2L1AB2DFN#AA0.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 80LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,177
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Product details
Overview
R7FA2L1AB2DFN#AA0 from Renesas is an ultra-low-power 48 MHz Arm® Cortex®-M23 microcontroller with 256 KB flash, 32 KB SRAM, 12-bit ADC/DAC, CTSU2 capacitive touch sensing, CAN interface, and integrated security features including AES-128/256 and TRNG. It targets battery-powered HMI, industrial sensors, and smart metering where low power, analog integration, and functional safety are critical.
For engineers reviewing the R7FA2L1AB2DFN#AA0 datasheet, R7FA2L1AB2DFN#AA0 pinout, R7FA2L1AB2DFN#AA0 application, or R7FA2L1AB2DFN#AA0 equivalent, key selection criteria include its 80-pin LQFP package, -40°C to +85°C operating range, 1.6–5.5 V supply, dual 12-bit analog converters, and hardware-accelerated cryptographic engine for secure firmware updates and data integrity.
Technical Context
The R7FA2L1AB2DFN#AA0 implements the Armv8-M architecture with Memory Protection Unit (MPU) supporting 8 regions, enabling robust memory isolation for safety-critical tasks. Its clock system includes HOCO (48 MHz), SOSC (32.768 kHz), and IWDT-dedicated oscillator (15 kHz), with Clock Frequency Accuracy Measurement Circuit (CAC) for real-time oscillator calibration.
It integrates a full peripheral suite for sensor fusion and control: five SCI modules (UART/SPI/I²C/Smart Card), two I²C, two SPI, one CAN 2.0B controller requiring external transceiver, AGT timers for low-power event counting, and ELC for CPU-free peripheral linking - all optimized for deterministic response in resource-constrained edge nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M23 @ 48 MHz - energy-efficient ISA with TrustZone support for secure partitioning |
| Memory | 256 KB code flash + 8 KB data flash + 32 KB SRAM with ECC - enables field-upgradable firmware and reliable data logging |
| Analog | 12-bit ADC (19 channels), 12-bit DAC (1 channel), 2× ACMPLP, TSN - supports precision sensor signal conditioning and closed-loop control |
| Connectivity | CAN 2.0B (32 mailboxes), 5× SCI, 2× I²C, 2× SPI - provides robust multi-protocol communication for industrial networks |
| Security | AES-128/256, TRNG, CRC calculator, DOC, register write protection - meets IEC 61508 SIL2 and ISO 26262 ASIL-B readiness requirements |
| Power | 1.6–5.5 V operation, multiple low-power modes, switching regulator - extends battery life in portable devices beyond 10 years |
| Package | 80-pin LQFP (12 mm × 12 mm, 0.5 mm pitch), -40°C to +85°C - compatible with standard reflow processes and industrial ambient conditions |
Pinout & Package
Package: 80-pin LQFP (12 mm × 12 mm, 0.5 mm pitch), RoHS-compliant Sn finish, exposed pad recommended tied to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: digital (VCC/VSS) and analog (AVCC0/AVSS0); decoupling required per datasheet layout guidelines |
| P000–P015, P100–P115, etc. | General-purpose I/O | 82 total GPIOs across full RA2L1 family; this 80-pin variant provides 66 I/O pins with 5-V tolerance on select lines |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug for programming and real-time trace - no JTAG overhead, minimal pin count |
| XTAL / EXTAL / XCIN / XCOUT | Crystal oscillator inputs | Supports main (1–20 MHz) and sub-clock (32.768 kHz) crystals; internal trimming enables ±0.5% accuracy over temperature |
| CTX0 / CRX0 | CAN bus interface | Dedicated differential CAN TX/RX pins - requires external ISO 11898-compliant transceiver for physical layer compliance |
| AN000–AN020 / DA0 | Analog input/output | 19-channel ADC input multiplexer with internal reference; single DAC output with rail-to-rail swing for actuator control |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Sensing Unit (CTSU2) | Hardware-accelerated touch detection with noise immunity up to 20 Vpp common-mode - eliminates need for external touch controllers in HMI designs |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral triggering without CPU intervention - reduces latency and CPU load in time-critical sensor sampling or PWM synchronization |
| Data Transfer Controller (DTC) | Autonomous DMA-like transfers triggered by interrupts - enables zero-CPU-overhead UART/SPI data streaming for continuous telemetry |
| Low-Power Analog Comparators (ACMPLP) | Configurable speed/power trade-off (high-speed: 1 µs response; low-speed: <1 µA) - ideal for wake-on-event battery monitoring |
| Realtime Clock (RTC) | Calendar mode (2000–2099) with leap-year correction and binary counter mode - supports precise timestamping and scheduled wake-up in deep-sleep states |
Applications
| Industrial Sensor Node | Smart Energy Meter |
|---|---|
Use Scenario: Wireless temperature/humidity/pressure node deployed in factory floor with 10-year battery life requirement. IC Role / Device Role / Timing Role: Main system controller executing sensor fusion, BLE/Wi-Fi stack, and secure OTA updates via AES-256. Use Value: Integrated 12-bit ADC, CTSU2 for buttonless UI, and ultra-low-power AGT timers enable sub-1 µA sleep current and accurate multi-sensor sampling. | Use Scenario: DIN-rail mounted electricity meter with tamper detection, tariff switching, and secure data logging. IC Role / Device Role / Timing Role: System-on-chip managing metrology ADC interface, RTC-based billing cycles, and CAN-based utility communication. Use Value: Dual 12-bit ADC channels with self-diagnosis, CAC for clock validation, and ECC SRAM ensure metrology accuracy and regulatory compliance (IEC 62053). |
| Home Appliance Control Panel | Automotive Body Control Module (BCM) |
Use Scenario: Touch-enabled oven/microwave front panel with proximity wake, gesture recognition, and thermal management. IC Role / Device Role / Timing Role: Dedicated HMI processor handling capacitive touch, LED dimming via GPT PWM, and local safety monitoring. Use Value: CTSU2 supports wet-hand operation and proximity sensing; 5-V tolerant I/O interfaces directly with legacy appliance logic without level shifters. | Use Scenario: Low-voltage (12 V) BCM controlling door locks, lighting, and window motors in entry-level vehicles. IC Role / Device Role / Timing Role: Central controller managing LIN/CAN gateways, PWM motor drivers, and diagnostic reporting. Use Value: CAN 2.0B module with 32 mailboxes handles multiplexed body network traffic; IWDT and LVD provide fail-safe reset under brown-out or software lockup. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2L1AB3CFN#AA0 | Same core, peripherals, and pinout; rated for -40°C to +105°C industrial temp range | Required for under-hood automotive or high-ambient industrial enclosures | Select when extended temperature operation is mandatory; otherwise R7FA2L1AB2DFN#AA0 offers cost advantage for commercial-grade environments |
| R7FA4M1AB2DFN#AA0 | Arm Cortex-M4F core, 100 MHz, FPU, larger memory (512 KB flash/128 KB SRAM), no CTSU2 | Better suited for motor control algorithms or audio processing; lacks integrated touch sensing | Choose when floating-point math or higher throughput is needed; not a drop-in replacement due to different instruction set and peripheral mapping |
Compared with R7FA2L1AB3CFN#AA0, the R7FA2L1AB2DFN#AA0 trades extended temperature rating for lower cost in commercial environments; versus R7FA4M1AB2DFN#AA0, it prioritizes ultra-low power and capacitive touch over raw compute performance - making it optimal for battery-operated HMI and sensor endpoints.
Availability
R7FA2L1AB2DFN#AA0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy meters, and home appliance control panels requiring stable component supply, long-term lifecycle support, and consistent RoHS-compliant manufacturing.
Supply support for R7FA2L1AB2DFN#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 is a global leader in microcontrollers, analog, power, and SoC solutions, serving automotive, industrial, infrastructure, and IoT markets with silicon-proven reliability and long-term support.
The RA2L1 group delivers ultra-low-power Arm Cortex-M23 MCUs optimized for cost-sensitive, battery-operated human-machine interface and sensor-edge applications - emphasizing security, analog integration, and energy efficiency from chip to cloud.
FAQ
What is the maximum operating frequency of the R7FA2L1AB2DFN#AA0?
The R7FA2L1AB2DFN#AA0 operates at a maximum frequency of 48 MHz using its Arm Cortex-M23 core. This speed is achievable with the high-speed on-chip oscillator (HOCO) or external crystal sources. The MCU maintains full peripheral functionality-including ADC sampling, CAN transmission, and CTSU2 scanning-at this frequency while staying within its 1.6–5.5 V supply range. The R7FA2L1AB2DFN#AA0 also supports dynamic clock scaling to reduce power during low-activity periods.
Does the R7FA2L1AB2DFN#AA0 include hardware security features?
Yes, the R7FA2L1AB2DFN#AA0 integrates multiple hardware security features: AES-128/256 encryption/decryption engines, True Random Number Generator (TRNG), Cyclic Redundancy Check (CRC) calculator, Data Operation Circuit (DOC), register write protection, and Flash area protection. These capabilities support secure boot, encrypted firmware updates, and runtime integrity checks - enabling compliance with IEC 62443 and foundational requirements for PSA Certified Level 1.
What package type and pin count does the R7FA2L1AB2DFN#AA0 use?
The R7FA2L1AB2DFN#AA0 uses an 80-pin LQFP package (12 mm × 12 mm, 0.5 mm pitch), designated by the "FN" suffix in its part number. It provides 66 general-purpose I/O pins, 5-V tolerant inputs on selected lines, and dedicated pins for SWD debug, CAN, crystal oscillators, and analog functions. This package is compatible with standard surface-mount assembly and reflow profiles.
Can the R7FA2L1AB2DFN#AA0 drive capacitive touch buttons without external components?
Yes, the R7FA2L1AB2DFN#AA0 includes the Capacitive Sensing Unit (CTSU2), which provides fully hardware-accelerated touch detection with built-in noise cancellation, auto-calibration, and proximity sensing. It supports up to 32 touch channels (depending on package variant) and requires only simple PCB electrodes - no external ICs, op-amps, or RC networks. The R7FA2L1AB2DFN#AA0's CTSU2 meets IEC 61000-4-6 immunity standards for industrial environments.
What is the operating temperature range for the R7FA2L1AB2DFN#AA0?
The R7FA2L1AB2DFN#AA0 is rated for operation from -40°C to +85°C, indicated by the "2D" in its part number ("2" = temperature grade, "D" = consumer/industrial quality). This range suits commercial and industrial applications such as smart meters, HVAC controls, and portable medical devices. For extended-temperature use up to +105°C, the pin-compatible R7FA2L1AB3CFN#AA0 is available.
R7FA2L1AB2DFN#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RA2L1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M23
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, I2C, SCI, SPI, SmartCard, UART/USART
- Peripherals:
- AES, Capacitive Touch, DMA, LVD, POR, PWM, Temp Sensor, TRNG, WDT
- Number of I/O:
- 69
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 17x12b SAR; D/A 1x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA2L1AB2DFN#AA0 FAQ
1.How can I place an order for R7FA2L1AB2DFN#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA2L1AB2DFN#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 R7FA2L1AB2DFN#AA0 reliable?
The price and inventory of R7FA2L1AB2DFN#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA2L1AB2DFN#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA2L1AB2DFN#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA2L1AB2DFN#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA2L1AB2DFN#AA0?
R7FA2L1AB2DFN#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA2L1AB2DFN#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 R7FA2L1AB2DFN#AA0?
For technical support, including R7FA2L1AB2DFN#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA2L1AB2DFN#AA0 requirements.
6.How does Aetrix verify that R7FA2L1AB2DFN#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA2L1AB2DFN#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 R7FA2L1AB2DFN#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA2L1AB2DFN#AA0?
All R7FA2L1AB2DFN#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA2L1AB2DFN#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 R7FA2L1AB2DFN#AA0 part is unused and in its original packaging.
Return procedure for R7FA2L1AB2DFN#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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