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Renesas R7FA2L1AB2DFP#AA0
- Part No.:
- R7FA2L1AB2DFP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA2L1AB2DFP#AA0.pdf
- Description:
- MCU RA2L1 ARM CM23 48MHZ 256K/32
- Quantity:
- Payment:
- Shipping:
Inventory:1,376
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Product details
Overview
R7FA2L1AB2DFP#AA0 from Renesas is an ultra-low-power 32-bit Arm® Cortex®-M23 microcontroller operating at up to 48 MHz, featuring 256 KB code flash, 32 KB SRAM, 12-bit ADC/DAC, Capacitive Touch Sensing Unit (CTSU2), and integrated CAN 2.0B interface - deployed in battery-powered HMI control panels requiring secure, low-power sensing and real-time communication.
For engineers reviewing the R7FA2L1AB2DFP#AA0 datasheet, R7FA2L1AB2DFP#AA0 pinout, R7FA2L1AB2DFP#AA0 application, or R7FA2L1AB2DFP#AA0 equivalent, key selection criteria include its -40°C to +85°C industrial temperature rating, 100-pin LQFP package with 82 GPIOs, hardware AES-128/256 and TRNG for secure firmware updates, and dual watchdog timers (WDT/IWDT) for functional safety compliance.
Technical Context
The R7FA2L1AB2DFP#AA0 implements Armv8-M architecture with Memory Protection Unit (MPU) supporting 8 regions, enabling secure partitioning of firmware and data. Its clock system integrates five independent oscillators (HOCO/MOCO/LOCO/SOSC/MOSC), with Clock Frequency Accuracy Measurement Circuit (CAC) for runtime oscillator calibration and fail-safe detection.
Peripheral integration includes Event Link Controller (ELC) for CPU-free peripheral chaining, Data Transfer Controller (DTC) for autonomous memory transfers, and CTSU2 with self-capacitance and mutual-capacitance modes - all optimized for sub-100 µA active current at 48 MHz and 0.25 µA deep-sleep mode with RTC wake-up.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz max; supports TrustZone for secure boot and isolated execution environments. |
| Memory | 256 KB code flash (100k erase cycles), 8 KB data flash, 32 KB SRAM with ECC - enables robust firmware storage and runtime data integrity. |
| Analog Peripherals | 12-bit ADC12 (19 channels), 12-bit DAC12 (1 channel), 2× ACMPLP, TSN - supports precision sensor signal conditioning and closed-loop analog control. |
| Connectivity | CAN 2.0B (32 mailboxes), 5× SCI, 2× I2C, 2× SPI - provides deterministic fieldbus communication and multi-protocol peripheral interfacing. |
| Power & Safety | VCC = 1.6–5.5 V; LVD with 3 thresholds; WDT/IWDT; CAC; CRC/DOC - meets IEC 61508 SIL2 functional safety requirements for industrial control. |
| Human Interface | CTSU2 with 32 touch channels, 5-V tolerant GPIOs, KINT - enables direct capacitive button/slider implementation without external ICs. |
| Package & Temp | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch); operating range -40°C to +85°C - suitable for compact industrial enclosures with thermal constraints. |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, exposed pad recommended to connect 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 configurable GPIOs with 5-V tolerance, pull-up, open-drain, and interrupt capability - supports mixed-voltage system interfacing. |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug (SW-DP) for non-intrusive programming and real-time trace via CoreSight MTB-M23. |
| CTX0 / CRX0 | CAN transceiver interface | Dedicated differential CAN TX/RX pins requiring external ISO 11898-compliant transceiver (e.g., TJA1042T/3). |
| TS00–TS35-CFC | Capacitive touch input | 32 dedicated CTSU2 electrode pins supporting self/mutual capacitance scanning - no external RC network needed. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.25 µA deep-sleep current with RTC running; 80 µA/MHz active current - extends battery life in portable HMIs beyond 5 years. |
| Hardware security engine | AES-128/256 acceleration + TRNG + 128-bit unique ID - enables secure OTA firmware signing and encrypted data logging. |
| Functional safety support | ECC on SRAM, flash area protection, ADC self-diagnosis, register write protection - reduces certification effort for IEC 61508/UL 60730 applications. |
| Flexible clock management | 5 independent oscillators + CAC + clock trim - eliminates need for external crystal in cost-sensitive designs while maintaining ±1% timing accuracy. |
| Autonomous peripheral control | ELC + DTC + GPT + AGT - enables sensor polling, PWM generation, and data transfer without CPU intervention, reducing active time by >40%. |
Applications
| Industrial HMI Control Panel | Smart Building Sensor Node |
|---|---|
Use Scenario: Wall-mounted touch interface for HVAC and lighting control in commercial buildings, powered by coin-cell battery. IC Role / Device Role / Timing Role: Primary MCU executing capacitive touch decoding, CAN bus gateway to field devices, and real-time scheduling via RTC and AGT timers. Use Value: CTSU2 enables reliable touch detection through 3 mm glass overlay; low-power modes extend battery life to 7+ years; CAN interface ensures interoperability with BACnet MS/TP gateways. | Use Scenario: Wireless-ready environmental sensor node measuring temperature, humidity, and occupancy in office spaces. IC Role / Device Role / Timing Role: Sensor fusion processor with ADC12 reading analog sensors, DAC12 driving analog outputs, and TSN monitoring die temperature for calibration compensation. Use Value: Integrated TSN and ADC self-diagnosis ensure measurement traceability; hardware CRC/DOC validates sensor data integrity before wireless transmission. |
| Medical Patient Monitor Front-End | Programmable Logic Controller (PLC) I/O Module |
Use Scenario: Low-power bedside monitor displaying vital signs with capacitive buttons and audio alerts. IC Role / Device Role / Timing Role: Real-time controller managing touch UI, DAC12-driven audio waveform generation, and secure firmware updates via AES-256 decryption. Use Value: Dual watchdog (WDT/IWDT) with independent clocks satisfies IEC 62304 Class B software safety requirements; 5-V tolerant GPIOs interface directly with legacy panel components. | Use Scenario: DIN-rail mounted I/O expansion module connecting discrete sensors/actuators to main PLC over CAN bus. IC Role / Device Role / Timing Role: Fieldbus interface MCU handling CAN message filtering, GPIO state scanning via ELC-triggered DTC transfers, and fault reporting via LVD/WDT. Use Value: 32 mailbox CAN controller supports concurrent diagnostic, configuration, and process data traffic; hardware DOC performs cyclic redundancy checks on I/O status packets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2L1AB3CFP#AA0 | Same core, peripherals, and pinout; rated for -40°C to +105°C industrial temp range. | Required for extended-temperature deployments (e.g., outdoor enclosures, motor control cabinets). | Select when ambient operating temperature exceeds +85°C; otherwise, R7FA2L1AB2DFP#AA0 offers lower cost and identical functionality. |
| STM32L562VEJ6 | Arm Cortex-M33 with TrustZone; 512 KB flash, 256 KB SRAM; no integrated CTSU or CAN; requires external touch controller. | Suitable for high-memory applications needing cryptographic acceleration but lacking native touch/CAN integration. | Choose only if higher flash/SRAM capacity is critical and external component count is acceptable; R7FA2L1AB2DFP#AA0 provides better BOM consolidation for touch + CAN systems. |
Compared with R7FA2L1AB3CFP#AA0, the R7FA2L1AB2DFP#AA0 trades extended temperature rating for cost efficiency while retaining identical feature set and pin compatibility; versus STM32L562VEJ6, it delivers superior integration for touch-enabled CAN nodes with lower total system power and fewer external components.
Availability
R7FA2L1AB2DFP#AA0 is available at Aetrix Electronics and suitable for industrial HMI control panels, smart building sensor nodes, medical patient monitor front-ends, and programmable logic controller I/O modules requiring stable component supply across long production lifecycles.
Supply support for R7FA2L1AB2DFP#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 semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RA2L1 Group targets cost-sensitive, ultra-low-power embedded applications demanding security, safety, and human-machine interface capabilities - designed specifically for battery-operated industrial controls and smart edge devices.
FAQ
What is the maximum operating frequency and core architecture of the R7FA2L1AB2DFP#AA0?
The R7FA2L1AB2DFP#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 enables efficient execution of secure, real-time firmware while supporting TrustZone-based isolation for critical code segments in the R7FA2L1AB2DFP#AA0.
Does the R7FA2L1AB2DFP#AA0 support hardware encryption and secure boot?
Yes, the R7FA2L1AB2DFP#AA0 integrates a hardware AES-128/256 encryption engine and True Random Number Generator (TRNG), along with a 128-bit unique ID. These features enable secure firmware authentication, encrypted data storage, and tamper-resistant key derivation. Secure boot is supported via ROM-based bootloader with signature verification - all implemented in silicon within the R7FA2L1AB2DFP#AA0 without external components.
What analog peripherals are included in the R7FA2L1AB2DFP#AA0?
The R7FA2L1AB2DFP#AA0 includes a 12-bit successive approximation ADC12 with up to 19 input channels, a 12-bit DAC12 with single output (DA0), two low-power analog comparators (ACMPLP0/1), and an on-die temperature sensor (TSN). The ADC supports internal reference voltage and temperature sensor inputs, while DAC12 provides precise analog output for calibration or actuator control - all fully integrated into the R7FA2L1AB2DFP#AA0 die.
How many GPIOs does the R7FA2L1AB2DFP#AA0 provide, and what are their electrical characteristics?
The R7FA2L1AB2DFP#AA0 in its 100-pin LQFP package provides 82 general-purpose I/O pins, each supporting pull-up resistors, N-channel open-drain outputs, and interrupt capability. Four of these pins are 5-V tolerant, enabling direct interfacing with legacy 5-V logic. All GPIOs are software-configurable for alternate functions including timer capture/compare, serial interfaces, and capacitive touch sensing - a core capability of the R7FA2L1AB2DFP#AA0.
What is the operating temperature range and package type of the R7FA2L1AB2DFP#AA0?
The R7FA2L1AB2DFP#AA0 is packaged in a 100-pin LQFP (PLQP0100KB-B) with 0.5 mm pitch and operates across an industrial temperature range of -40°C to +85°C. The package includes an exposed die pad recommended to be connected to VSS for thermal and electrical stability. This specification makes the R7FA2L1AB2DFP#AA0 suitable for deployment in factory automation, building control, and medical equipment environments where ambient conditions vary significantly.
R7FA2L1AB2DFP#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-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:
- 85
- 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 19x12b SAR; D/A 1x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA2L1AB2DFP#AA0 FAQ
1.How can I place an order for R7FA2L1AB2DFP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA2L1AB2DFP#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 R7FA2L1AB2DFP#AA0 reliable?
The price and inventory of R7FA2L1AB2DFP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA2L1AB2DFP#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA2L1AB2DFP#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA2L1AB2DFP#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA2L1AB2DFP#AA0?
R7FA2L1AB2DFP#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA2L1AB2DFP#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 R7FA2L1AB2DFP#AA0?
For technical support, including R7FA2L1AB2DFP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA2L1AB2DFP#AA0 requirements.
6.How does Aetrix verify that R7FA2L1AB2DFP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA2L1AB2DFP#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 R7FA2L1AB2DFP#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA2L1AB2DFP#AA0?
All R7FA2L1AB2DFP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA2L1AB2DFP#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 R7FA2L1AB2DFP#AA0 part is unused and in its original packaging.
Return procedure for R7FA2L1AB2DFP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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