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Renesas R7FA2L1A93CFP#BA0
- Part No.:
- R7FA2L1A93CFP#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA2L1A93CFP#BA0.pdf
- Description:
- IC MCU 32BIT 128KB FLSH 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,355
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Product details
Overview
R7FA2L1A93CFP#BA0 from Renesas is an ultra-low-power 48 MHz Arm® Cortex®-M23 microcontroller with 128 KB code flash, 32 KB SRAM, 12-bit ADC/DAC, Capacitive Touch Sensing Unit (CTSU2), CAN interface, and integrated security features including AES-128/256 and TRNG - deployed in industrial HMI, smart sensors, and battery-powered edge nodes.
For engineers reviewing the R7FA2L1A93CFP#BA0 datasheet, R7FA2L1A93CFP#BA0 pinout, R7FA2L1A93CFP#BA0 application, or R7FA2L1A93CFP#BA0 equivalent, this page delivers verified specifications, package mapping to 100-pin LQFP, functional pin roles, real-world use cases, and two validated alternative parts for design flexibility and supply continuity.
Technical Context
The R7FA2L1A93CFP#BA0 implements Armv8-M architecture with Memory Protection Unit (8 regions), debug via SW-DP, and dual watchdog timers (WDT + IWDT) for fail-safe operation. Its clock system integrates HOCO (48 MHz), SOSC (32.768 kHz), and CAC for frequency accuracy monitoring.
Analog subsystem includes 19-channel 12-bit ADC12 with temperature sensor input, single-channel 12-bit DAC12, two low-power comparators (ACMPLP), and CTSU2 supporting up to 32 touch electrodes. System-level features include ELC for CPU-free peripheral linking, DTC for efficient data transfers, and DOC/CRC for data integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M23 @ 48 MHz - energy-efficient secure execution with MPU and TrustZone-ready architecture |
| Memory | 128 KB code flash + 8 KB data flash + 32 KB SRAM with ECC - supports firmware updates and robust runtime data storage |
| Analog | 12-bit ADC12 (19 ch), 12-bit DAC12 (1 ch), ACMPLP × 2, TSN - enables precision sensing and analog control without external ICs |
| Connectivity | CAN 2.0B, SCI × 5, I2C × 2, SPI × 2 - full industrial bus support including ISO 11898-1 compliant CAN with 32 mailboxes |
| Human Interface | CTSU2 with 32 electrode capacity - capacitive touch sensing with noise immunity for ruggedized front panels |
| Security | AES-128/256, TRNG, register write protection, flash area protection - hardware-accelerated encryption and tamper-resistant boot |
| Power & Temp | 1.6–5.5 V operation, -40°C to +105°C, low-power modes - suitable for wide-input industrial power rails and extended thermal environments |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), industrial-grade (-40°C to +105°C), Pb-free Sn terminal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: digital core (VCC/VSS) and analog (AVCC0/AVSS0); decoupling required per pin |
| P000–P015, P100–P115, etc. | General-purpose I/O | 82 GPIOs with 5-V tolerance on 5 pins, N-ch open-drain outputs, internal pull-ups - configurable for multiple peripheral functions |
| SWDIO / SWCLK | Debug interface | 2-pin Serial Wire Debug (SW-DP) for programming and real-time trace - no JTAG overhead |
| CTX0 / CRX0 | CAN transceiver interface | Dedicated CAN TX/RX pins requiring external transceiver (e.g., SN65HVD230) for physical layer compliance |
| TS00–TS35-CFC | Capacitive touch sense | 32 dedicated CTSU2 electrode inputs with built-in charge transfer and noise cancellation circuitry |
| AN000–AN020 | Analog input | 19-channel ADC12 input with selectable reference (VREFH0/VREFL0) and internal temperature sensor routing |
| DA0 | Analog output | Single 12-bit DAC12 output with programmable voltage range - used for calibration signals or analog actuator control |
Key Features
| Feature | Design Value |
|---|---|
| CTSU2 capacitive sensing | Hardware-accelerated touch detection with auto-calibration and noise suppression - eliminates need for external touch controller in HMI designs |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral triggering without CPU intervention - reduces latency and power in sensor-to-actuator chains |
| Data Transfer Controller (DTC) | Autonomous memory-to-peripheral transfers triggered by interrupts - offloads CPU during high-bandwidth ADC/SPI operations |
| Clock Frequency Accuracy Measurement (CAC) | Real-time oscillator drift monitoring using reference clock - enables self-diagnostics for safety-critical timing applications |
| Independent Watchdog Timer (IWDT) | Dedicated 14-bit counter with separate 15 kHz clock - ensures recovery from lockup even if main clock fails |
Applications
| Industrial HMI Panels | Smart Sensor Nodes |
|---|---|
Use Scenario: Touch-enabled operator interface on factory HMIs with metal enclosures and EMI-rich environments. IC Role / Device Role / Timing Role: Primary MCU executing UI logic, managing CTSU2 touch scanning, driving local displays via SPI, and communicating over CAN to PLCs. Use Value: CTSU2's noise immunity and 32-electrode support enable reliable multi-touch on sealed front panels without overlay redesign. | Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and vibration in remote locations. IC Role / Device Role / Timing Role: Low-power system controller acquiring analog sensor data via ADC12, processing with DTC-assisted filtering, and transmitting via CAN or SCI UART. Use Value: Sub-μA deep-sleep current and integrated RTC allow years of operation on coin-cell batteries with scheduled wake-up intervals. |
| Automotive Body Control | Medical Diagnostic Devices |
Use Scenario: Interior lighting and door module in 12 V automotive systems requiring CAN communication and functional safety awareness. IC Role / Device Role / Timing Role: CAN endpoint managing LED drivers, switch inputs, and LIN gateway functions with IWDT and flash protection for ASIL-B readiness. Use Value: Dual watchdogs, ECC SRAM, and register write protection meet diagnostic coverage requirements for non-safety-critical body electronics. | Use Scenario: Portable patient monitor collecting ECG, temperature, and SpO₂ signals with local display and USB host connectivity. IC Role / Device Role / Timing Role: Analog front-end controller digitizing biopotential signals via ADC12, applying real-time filtering via DOC, and securing data with AES before storage. Use Value: Integrated 12-bit ADC/DAC, TRNG, and AES-128 eliminate discrete security and signal chain components - reducing BOM count and layout area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2L1AB3CFP#BA0 | 256 KB flash (vs. 128 KB), same package, peripherals, and temp grade | Supports larger firmware images and bootloader+application separation | Select when future firmware growth or dual-bank OTA updates are required |
| STM32L562VEJ6 | Arm Cortex-M33, 512 KB flash, TrustZone, different pinout and peripheral set | Lacks CTSU2 and CAN; adds USB FS, crypto accelerators, and higher security certification | Choose for USB-connected devices needing PSA Level 2 certification, not touch/CAN systems |
Compared with R7FA2L1AB3CFP#BA0, the 128 KB variant offers identical peripheral integration and industrial temperature support at lower cost and footprint; versus STM32L562VEJ6, it provides native capacitive touch and CAN but less cryptographic depth - making R7FA2L1A93CFP#BA0 optimal for cost-sensitive, touch-enabled industrial nodes.
Availability
R7FA2L1A93CFP#BA0 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, and automotive body control modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R7FA2L1A93CFP#BA0 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 industrial, automotive, and enterprise markets.
The RA2L1 group targets ultra-low-power, secure, and touch-capable microcontrollers for cost-sensitive industrial and consumer edge devices - emphasizing rapid development with flexible software ecosystems and hardware-based safety.
FAQ
What is the maximum operating frequency and core architecture of the R7FA2L1A93CFP#BA0?
The R7FA2L1A93CFP#BA0 operates at a maximum frequency of 48 MHz and is built on the Arm Cortex-M23 core implementing the Armv8-M architecture. It includes an 8-region Memory Protection Unit (MPU), SysTick timer, and debug support via Serial Wire Debug (SW-DP). This architecture delivers deterministic real-time performance with enhanced security features essential for industrial and edge applications where R7FA2L1A93CFP#BA0 is deployed.
Does the R7FA2L1A93CFP#BA0 support CAN communication, and what physical layer requirements apply?
Yes, the R7FA2L1A93CFP#BA0 integrates a CAN 2.0B-compliant controller supporting both standard (11-bit) and extended (29-bit) message formats with up to 32 configurable mailboxes. However, it requires an external CAN transceiver (e.g., SN65HVD230 or TJA1042) connected to CTX0 and CRX0 pins to implement the physical layer per ISO 11898-1. The R7FA2L1A93CFP#BA0 itself handles protocol handling, filtering, and mailbox management in silicon.
How many capacitive touch channels does the R7FA2L1A93CFP#BA0 support, and what is the underlying technology?
The R7FA2L1A93CFP#BA0 supports up to 32 capacitive touch sensing electrodes via its integrated CTSU2 (Capacitive Touch Sensing Unit version 2). CTSU2 uses charge-transfer measurement with built-in noise cancellation, auto-calibration, and shield drive capability - enabling robust touch detection through glass, plastic, or metal overlays. This eliminates the need for external touch controllers in applications where R7FA2L1A93CFP#BA0 serves as the primary HMI processor.
What are the memory resources available on the R7FA2L1A93CFP#BA0, and how is data flash utilized?
The R7FA2L1A93CFP#BA0 includes 128 KB of code flash memory, 8 KB of data flash memory rated for 100,000 program/erase cycles, and 32 KB of SRAM with ECC protection. Data flash is specifically designed for non-volatile parameter storage - such as calibration coefficients, device configuration, or field-updatable settings - without wearing out main code flash. This architecture ensures long-term reliability in applications where R7FA2L1A93CFP#BA0 manages persistent operational data.
What low-power modes and voltage ranges does the R7FA2L1A93CFP#BA0 support for battery-operated designs?
The R7FA2L1A93CFP#BA0 operates from 1.6 V to 5.5 V and supports multiple low-power modes including Sleep, Deep Sleep, and Software Standby - achieving sub-μA currents in standby with RTC and key interrupt wake-up capability. Its integrated switching regulator (DC-DC) and clock gating reduce active power consumption, while the 15 kHz IWDTLOCO enables fail-safe wake-up even during main clock failure. These features make R7FA2L1A93CFP#BA0 ideal for energy-constrained deployments like wireless sensors and portable medical devices.
R7FA2L1A93CFP#BA0 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, Smart Card, UART/USART
- Peripherals:
- AES, Capacitive Touch, DMA, LVD, POR, PWM, Temp Sensor, TRNG, WDT
- Number of I/O:
- 82
- Program Memory Size:
- 128KB (128K 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:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA2L1A93CFP#BA0 FAQ
1.How can I place an order for R7FA2L1A93CFP#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA2L1A93CFP#BA0 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 R7FA2L1A93CFP#BA0 reliable?
The price and inventory of R7FA2L1A93CFP#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA2L1A93CFP#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA2L1A93CFP#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA2L1A93CFP#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA2L1A93CFP#BA0?
R7FA2L1A93CFP#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA2L1A93CFP#BA0 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 R7FA2L1A93CFP#BA0?
For technical support, including R7FA2L1A93CFP#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA2L1A93CFP#BA0 requirements.
6.How does Aetrix verify that R7FA2L1A93CFP#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA2L1A93CFP#BA0 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 R7FA2L1A93CFP#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA2L1A93CFP#BA0?
All R7FA2L1A93CFP#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA2L1A93CFP#BA0, 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 R7FA2L1A93CFP#BA0 part is unused and in its original packaging.
Return procedure for R7FA2L1A93CFP#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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