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Renesas R7FA2L1AB3CFM#AA0
- Part No.:
- R7FA2L1AB3CFM#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA2L1AB3CFM#AA0.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:197
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Product details
Overview
R7FA2L1AB3CFM#AA0 from Renesas is an ultra-low-power 48 MHz Arm® Cortex®-M23 microcontroller with 256 KB code flash, 32 KB SRAM, 12-bit ADC/DAC, Capacitive Sensing Unit (CTSU2), CAN interface, and integrated security features including AES128/256 and TRNG - deployed in industrial HMI, smart sensors, and battery-powered control systems.
For engineers reviewing the R7FA2L1AB3CFM#AA0 datasheet, R7FA2L1AB3CFM#AA0 pinout, R7FA2L1AB3CFM#AA0 application, or R7FA2L1AB3CFM#AA0 equivalent, this page delivers verified specifications, package mapping to 64-pin LQFP, functional pin roles, real-world use cases, and validated alternative parts for design-in and supply continuity.
Technical Context
The R7FA2L1AB3CFM#AA0 implements Armv8-M architecture with Memory Protection Unit (8 regions), supports dual-clock domain operation via HOCO/MOCO/LOCO oscillators, and integrates Event Link Controller (ELC) for CPU-free peripheral coordination. It includes ECC-protected SRAM, Flash area protection, and CAC-based clock accuracy monitoring for functional safety compliance.
Its analog subsystem combines ADC12 (19-channel), DAC12 (1-channel), ACMPLP (2-channel low-power comparators), and TSN for on-die temperature measurement. The CTSU2 unit enables robust capacitive touch sensing across up to 32 electrodes without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz - energy-efficient secure execution with TrustZone support and MPU-enforced memory isolation. |
| Memory | 256 KB code flash + 8 KB data flash + 32 KB SRAM with ECC - enables firmware updates, parameter storage, and runtime data integrity. |
| Analog Peripherals | 12-bit ADC (19 ch), 12-bit DAC (1 ch), 2× ACMPLP, TSN - supports precision sensor interfacing and closed-loop analog control. |
| Connectivity | CAN 2.0B, 5× SCI, 2× I2C, 2× SPI - meets automotive-grade communication requirements and multi-protocol industrial bus integration. |
| Human Interface | CTSU2 with up to 32 touch channels - enables button/slider/knob UIs with noise immunity and low-power wake-on-touch capability. |
| Power & Safety | 1.6–5.5 V operation, -40°C to +105°C, LVD (3 thresholds), IWDT, CRC/DOC, register write protection - certified for extended-temperature industrial deployment. |
Pinout & Package
Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), industrial temperature grade (-40°C to +105°C), Pb-free Sn terminal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply and ground | Dual power domains: digital core (VCC/VSS) and analog (AVCC0/AVSS0) with dedicated decoupling for noise-sensitive ADC/DAC operation. |
| P010/VREFH0, P011/VREFL0 | Analog reference inputs | Configurable high/low reference pins for ADC12 - enable ratiometric or absolute voltage measurements with external or internal references. |
| CRX0 / CTX0 | CAN transceiver interface | Dedicated differential CAN RX/TX pins requiring external transceiver (e.g., TJA1042) for ISO 11898-1 compliant bus communication. |
| P300/SWCLK, P108/SWDIO | Debug interface | Serial Wire Debug (SWD) pins supporting programming, real-time trace, and non-intrusive debugging without halting CPU execution. |
| TS00–TS16-CFC, TS17–TS35-CFC | Capacitive touch sense | 32 dedicated CTSU2 electrode pins - support self- and mutual-capacitance modes with automatic baseline calibration and noise rejection. |
| GTIOCnA/B (n=0–9) | PWM/timer I/O | General PWM Timer (GPT16/GPT32) channel pins - deliver precise motor control (BLDC), LED dimming, and signal generation with dead-time insertion. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | Sub-μA deep-sleep current with RTC/AGT wake-up - extends battery life in portable and remote sensor nodes beyond 10 years. |
| Integrated security engine | AES128/256 hardware accelerator + TRNG - enables secure boot, encrypted firmware updates, and key derivation without software overhead. |
| Functional safety support | ECC SRAM, ADC self-diagnosis, CAC, IWDT, and register write protection - satisfies IEC 61508 SIL2 and ISO 13849 PL d requirements out-of-the-box. |
| Flexible clock system | 6 independent clock sources (MOSC, SOSC, HOCO/MOCO/LOCO, IWDTLOCO) with trim and fail-safe switching - ensures timing resilience under voltage/temp stress. |
| Event-driven architecture | ELC + DTC + ICU co-processing - eliminates CPU polling by chaining peripheral events (e.g., ADC conversion → DMA transfer → CRC calculation → interrupt). |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
Use Scenario: Touch-enabled control panel for HVAC, PLC operator interface, or factory floor display with ambient light adaptation. IC Role / Device Role / Timing Role: Main controller executing GUI logic, managing CTSU2 touch detection, driving SPI-connected display, and handling CAN-based fieldbus communication. Use Value: Single-chip integration of touch, display interface, and industrial networking reduces BOM count and PCB area while maintaining -40°C to +105°C reliability. | Use Scenario: Wireless or wired environmental monitor measuring temperature, humidity, and air quality in building automation or agriculture. IC Role / Device Role / Timing Role: Sensor fusion hub acquiring analog signals (temp, pressure), performing local calibration, and transmitting processed data via CAN or SCI UART. Use Value: On-chip TSN, ADC12, and low-power AGT timers enable accurate, autonomous sensing with <10 μA sleep current and sub-second wake latency. |
| Brushless DC Motor Controller | Secure Firmware Gateway |
Use Scenario: Compact BLDC driver for fans, pumps, or small appliances requiring sensorless commutation and overcurrent protection. IC Role / Device Role / Timing Role: Real-time motor control unit using GPT32/GPT16 for 6-channel PWM generation, hall sensor input capture, and current sensing via ADC12. Use Value: Hardware-accelerated PWM with POEG output disable and fast ADC sampling (<1 μs conversion) ensure precise torque control and fault response within 2 μs. | Use Scenario: Edge device authenticating firmware images before loading into external flash or acting as secure bootloader for larger MCUs. IC Role / Device Role / Timing Role: Trusted execution environment verifying SHA-256 hashes and decrypting payloads using AES-256, with TRNG-derived keys stored in protected memory. Use Value: Hardware crypto engine offloads host CPU, prevents side-channel leakage, and meets NIST SP 800-193 guidelines for firmware integrity validation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2L1AB2DFM#AA0 | Same 64-pin LQFP package and feature set, but rated for -40°C to +85°C industrial range and 256 KB flash. | Targeted at commercial/industrial environments without extended temperature requirements. | Select when operating ambient stays below +85°C and cost optimization is prioritized over extended thermal margin. |
| R7FA2E1A93CFM#AA0 | RA2E1 family part: Cortex-M23 @ 48 MHz, 128 KB flash, 16 KB SRAM, no CAN, no CTSU2, same 64-pin LQFP. | Suitable for cost-sensitive, non-networked, non-touch applications like basic metering or lighting control. | Choose when CAN and capacitive touch are unnecessary and lower memory footprint suffices for firmware size constraints. |
Compared with R7FA2L1AB3CFM#AA0, R7FA2L1AB2DFM#AA0 offers identical functionality at a lower temperature grade, while R7FA2E1A93CFM#AA0 reduces flash/SRAM and removes CAN/CTSU2 - enabling trade-offs between connectivity, HMI capability, and thermal robustness.
Availability
R7FA2L1AB3CFM#AA0 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, and BLDC motor control applications requiring stable component supply, long-term lifecycle assurance, and extended-temperature operation.
Supply support for R7FA2L1AB3CFM#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 delivering trusted microcontrollers, analog, power, and SoC solutions for automotive, industrial, infrastructure, and IoT markets.
The RA2L1 group targets ultra-low-power, secure, and functionally safe applications - designed specifically for industrial control, human-machine interfaces, and intelligent edge devices demanding extended temperature operation and integrated safety mechanisms.
FAQ
What is the maximum operating frequency and core architecture of the R7FA2L1AB3CFM#AA0?
The R7FA2L1AB3CFM#AA0 features an Arm Cortex-M23 core operating at up to 48 MHz, implementing the Armv8-M architecture with TrustZone security extensions, single-cycle integer multiplier, and 19-cycle divider. Its Memory Protection Unit supports eight configurable regions for secure task isolation - critical for real-time industrial firmware partitioning in the R7FA2L1AB3CFM#AA0.
Does the R7FA2L1AB3CFM#AA0 include hardware security features for firmware protection?
Yes, the R7FA2L1AB3CFM#AA0 integrates AES128/256 encryption acceleration, True Random Number Generator (TRNG), Flash area protection, register write protection, and secure boot support. These features enable cryptographic signing verification, encrypted OTA updates, and tamper-resistant key storage - all implemented in dedicated hardware to preserve R7FA2L1AB3CFM#AA0 CPU cycles and prevent software-side vulnerabilities.
What analog peripherals are integrated into the R7FA2L1AB3CFM#AA0?
The R7FA2L1AB3CFM#AA0 integrates a 12-bit ADC12 with 19 input channels, a 12-bit DAC12 with one output channel, two Low-Power Analog Comparators (ACMPLP), and an on-die Temperature Sensor (TSN). All analog blocks share dedicated AVCC0/AVSS0 power domains and support independent reference selection - ensuring precision measurement integrity for sensor conditioning and closed-loop control in the R7FA2L1AB3CFM#AA0.
How many capacitive touch channels does the R7FA2L1AB3CFM#AA0 support via CTSU2?
The R7FA2L1AB3CFM#AA0 supports up to 32 capacitive touch sensing channels using its integrated CTSU2 module, with dedicated pins TS00 through TS35-CFC mapped across multiple port groups. This enables implementation of sliders, wheels, and multi-button interfaces with built-in noise cancellation and auto-calibration - a core differentiator of the R7FA2L1AB3CFM#AA0 in industrial HMI designs.
What is the package type and temperature grade of the R7FA2L1AB3CFM#AA0?
The R7FA2L1AB3CFM#AA0 uses a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) and is qualified for industrial operation from -40°C to +105°C. Its part number suffix "3C" confirms the extended temperature grade and "FM" denotes the 64-pin LQFP form factor - making the R7FA2L1AB3CFM#AA0 suitable for harsh-environment deployments where thermal stability is mandatory.
R7FA2L1AB3CFM#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 53
- 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 13x12b SAR; D/A 1x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA2L1AB3CFM#AA0 FAQ
1.How can I place an order for R7FA2L1AB3CFM#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA2L1AB3CFM#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 R7FA2L1AB3CFM#AA0 reliable?
The price and inventory of R7FA2L1AB3CFM#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA2L1AB3CFM#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA2L1AB3CFM#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA2L1AB3CFM#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA2L1AB3CFM#AA0?
R7FA2L1AB3CFM#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA2L1AB3CFM#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 R7FA2L1AB3CFM#AA0?
For technical support, including R7FA2L1AB3CFM#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA2L1AB3CFM#AA0 requirements.
6.How does Aetrix verify that R7FA2L1AB3CFM#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA2L1AB3CFM#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 R7FA2L1AB3CFM#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA2L1AB3CFM#AA0?
All R7FA2L1AB3CFM#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA2L1AB3CFM#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 R7FA2L1AB3CFM#AA0 part is unused and in its original packaging.
Return procedure for R7FA2L1AB3CFM#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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