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Renesas R7FA2L1A93CFP#AA0
- Part No.:
- R7FA2L1A93CFP#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA2L1A93CFP#AA0.pdf
- Description:
- IC MCU 32BIT 128KB FLSH 100LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:562
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Product details
Overview
R7FA2L1A93CFP#AA0 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 control systems.
For engineers reviewing the R7FA2L1A93CFP#AA0 datasheet, R7FA2L1A93CFP#AA0 pinout, R7FA2L1A93CFP#AA0 application, or R7FA2L1A93CFP#AA0 equivalent, this page delivers verified technical context, package-specific pin mapping, real-world use cases, and validated alternative options for embedded design and supply chain continuity.
Technical Context
The R7FA2L1A93CFP#AA0 implements Armv8-M architecture with Memory Protection Unit (8 regions), debug via SW-DP, and dual watchdogs (WDT/IWDT) for functional safety. 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. Communication stack comprises 5× SCI (UART/SPI/I²C/Smart Card), 2× I²C, 2× SPI, and ISO 11898-1-compliant CAN with 32 mailboxes.
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 - supports firmware updates, parameter storage, and real-time buffering |
| Analog | 12-bit ADC12 (19 ch), 12-bit DAC12 (1 ch), ACMPLP ×2, TSN - enables precision sensing, actuator control, and thermal monitoring |
| Connectivity | CAN 2.0A/B, 5× SCI, 2× I²C, 2× SPI - full industrial bus support with hardware FIFO and mailbox-based CAN messaging |
| Security | AES-128/256, TRNG, ECC on SRAM, flash protection - meets IEC 61508 SIL2 and automotive functional safety prerequisites |
| Power & Temp | 1.6–5.5 V operation, -40°C to +105°C, ultra-low-power modes - suitable for harsh environments and battery longevity |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) - 82 GPIOs with 5-V tolerance, N-ch open-drain, pull-up resistors |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, industrial temperature grade (-40°C to +105°C).
| 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 datasheet layout guidelines |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 1–20 MHz external crystal; enables precise timing for CAN, RTC, and high-accuracy communication |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC calendar mode and low-power wake-up timing |
| SWDIO / SWCLK | ARM Serial Wire Debug interface | Two-pin debug port enabling programming, real-time trace, and non-intrusive breakpoint debugging |
| CTX0 / CRX0 | CAN transceiver interface | Dedicated differential CAN TX/RX pins requiring external ISO 11898-compliant transceiver (e.g., TJA1042) |
| P000–P015, P100–P115, etc. | General-purpose I/O | 82 configurable GPIOs with interrupt capability, 5-V tolerant inputs, and programmable pull-up/pull-down |
| AN000–AN020 | ADC input channels | 19 dedicated analog inputs supporting internal reference, temperature sensor, and external signal acquisition |
| DA0 | DAC output | Single 12-bit buffered voltage output for analog waveform generation or sensor calibration offset correction |
| TS00–TS35-CFC | Capacitive touch sense inputs | 32 CTSU2 electrode pins supporting self- and mutual-capacitance measurement for robust touch UI implementation |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Touch Sensing Unit (CTSU2) | Enables reliable button/slider/wheel detection through noise-immune delta-sigma modulation - no external RC components needed |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining (e.g., ADC conversion → DMA transfer → CRC calculation) without CPU intervention |
| Data Transfer Controller (DTC) | Automated memory-to-peripheral transfers on interrupt, reducing CPU load and improving deterministic latency for time-critical tasks |
| Realtime Clock (RTC) | Gregorian calendar support (2000–2099), leap-year compensation, and dual-mode counting (binary/calendar) for accurate timestamping |
| Low-Power Analog Comparators (ACMPLP) | Configurable speed/power trade-off: high-speed mode (<1 µs response) or low-power mode (nA quiescent current) for wake-on-event sensing |
| Independent Watchdog Timer (IWDT) | Dedicated 15 kHz oscillator ensures fail-safe reset even if main clock fails - critical for ASIL-B and SIL2 compliance |
Applications
| Industrial HMI Panel | Smart Sensor Node |
|---|---|
Use Scenario: Touch-enabled operator interface for PLC-controlled machinery with ambient light variation and ESD exposure. IC Role / Device Role / Timing Role: Main controller executing touch firmware, driving local displays, managing CAN bus communication with controllers, and maintaining RTC timestamps. Use Value: CTSU2 provides noise-resistant touch detection; 5-V tolerant I/O interfaces directly with legacy 5 V logic; wide temp range ensures reliability in factory environments. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and vibration in remote infrastructure. IC Role / Device Role / Timing Role: System-on-chip host performing sensor fusion, low-power sleep/wake cycles, secure OTA firmware updates, and CAN-based edge reporting. Use Value: Ultra-low-power modes extend battery life >5 years; AES/TRNG secures sensor data; integrated TSN and ADC enable direct die-temperature compensation. |
| Motor Control Gateway | Building Automation Controller |
Use Scenario: Compact gateway aggregating BLDC motor status (via Hall sensors) and translating CAN messages to BACnet/IP over Ethernet bridge. IC Role / Device Role / Timing Role: Real-time motor timing controller using GPT32/GPT16 for 3-phase PWM generation and AGT for precise event capture. Use Value: Hardware POEG disables PWM outputs during fault; CAC validates clock integrity before safety-critical commutation; 48 MHz core handles protocol translation overhead. | Use Scenario: HVAC zone controller integrating occupancy sensing, temperature regulation, and damper actuation in commercial buildings. IC Role / Device Role / Timing Role: Central decision engine running PID loops, interpreting capacitive touch inputs, and coordinating I²C-connected sensors and SPI-driven display drivers. Use Value: CTSU2 replaces mechanical switches; DAC12 drives analog valve actuators; dual I²C ports allow concurrent sensor and display management without arbitration delays. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2L1AB3CFP#AA0 | 256 KB flash (vs. 128 KB), same package, identical peripherals and pinout | Supports larger firmware images, bootloader + application partitioning, and future feature expansion | Select when firmware size exceeds 128 KB or long-term scalability is required |
| STM32G071CBT6 | Arm Cortex-M0+, 64 MHz, 128 KB flash, no CAN FD or CTSU; different pinout and peripheral register map | Limited to basic CAN 2.0B and no integrated touch sensing; requires external capacitive IC for HMI | Choose only if existing STM32 toolchain familiarity outweighs loss of CTSU2 and CAN mailbox flexibility |
Compared with R7FA2L1AB3CFP#AA0, the 128 KB variant offers identical real-time performance and peripheral integration at lower cost and footprint - ideal for cost-sensitive deployments where firmware remains under 128 KB. Versus STM32G071CBT6, R7FA2L1A93CFP#AA0 delivers superior analog integration, hardware-accelerated touch, and richer CAN functionality without external components.
Availability
R7FA2L1A93CFP#AA0 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, motor control gateways, and building automation controllers requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R7FA2L1A93CFP#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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets, with deep expertise in microcontrollers, analog, power, and connectivity technologies.
The RA2L1 Group targets ultra-low-power, secure, and easy-to-use MCUs for cost-sensitive industrial and consumer applications - emphasizing capacitive touch, functional safety, and seamless cloud connectivity out-of-the-box.
FAQ
What is the maximum operating frequency and core architecture of the R7FA2L1A93CFP#AA0?
The R7FA2L1A93CFP#AA0 features an Arm Cortex-M23 core operating at up to 48 MHz, compliant with the Armv8-M architecture profile. It includes a single-cycle integer multiplier, 19-cycle divider, and Memory Protection Unit with eight configurable regions - all confirmed in the R01DS0385EJ0160 datasheet Rev.1.60. This architecture enables efficient execution of secure, real-time firmware on the R7FA2L1A93CFP#AA0.
Does the R7FA2L1A93CFP#AA0 support CAN communication, and what standard does it comply with?
Yes, the R7FA2L1A93CFP#AA0 integrates a Controller Area Network (CAN) module compliant with ISO 11898-1 (CAN 2.0A and CAN 2.0B). It supports both standard (11-bit) and extended (29-bit) message identifiers, up to 32 configurable mailboxes, and requires an external CAN transceiver. This capability is explicitly documented for the R7FA2L1A93CFP#AA0 in Table 1.7 and Figure 1.1 of the official datasheet.
What package type and pin count does the R7FA2L1A93CFP#AA0 use?
The R7FA2L1A93CFP#AA0 uses a 100-pin LQFP package (PLQP0100KB-B), measuring 14 mm × 14 mm with 0.5 mm pitch. It provides 82 general-purpose I/O pins, 5-V tolerant inputs, N-ch open-drain outputs, and dedicated pins for CAN, CTSU2, ADC, DAC, and debug - as specified in Table 1.12 and Figure 1.3 of the R7FA2L1A93CFP#AA0 datasheet.
How much flash and SRAM memory does the R7FA2L1A93CFP#AA0 include?
The R7FA2L1A93CFP#AA0 includes 128 KB of code flash memory, 8 KB of data flash memory (rated for 100,000 program/erase cycles), and 32 KB of on-chip SRAM with optional ECC or parity protection. These values are fixed for this part number and differ from the 256 KB flash variant (R7FA2L1AB3CFP#AA0), as confirmed in Table 1.12 of the R01DS0385EJ0160 datasheet.
Does the R7FA2L1A93CFP#AA0 integrate capacitive touch sensing, and how many electrodes does it support?
Yes, the R7FA2L1A93CFP#AA0 integrates the Capacitive Sensing Unit version 2 (CTSU2), supporting up to 32 touch electrodes (e.g., TS00–TS35-CFC). It operates using delta-sigma modulation for noise immunity and requires no external RC components - a key differentiator confirmed in Table 1.9 and Section 1.5 of the R7FA2L1A93CFP#AA0 datasheet.
R7FA2L1A93CFP#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:
- 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:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA2L1A93CFP#AA0 FAQ
1.How can I place an order for R7FA2L1A93CFP#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA2L1A93CFP#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 R7FA2L1A93CFP#AA0 reliable?
The price and inventory of R7FA2L1A93CFP#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA2L1A93CFP#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA2L1A93CFP#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA2L1A93CFP#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA2L1A93CFP#AA0?
R7FA2L1A93CFP#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA2L1A93CFP#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 R7FA2L1A93CFP#AA0?
For technical support, including R7FA2L1A93CFP#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA2L1A93CFP#AA0 requirements.
6.How does Aetrix verify that R7FA2L1A93CFP#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA2L1A93CFP#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 R7FA2L1A93CFP#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA2L1A93CFP#AA0?
All R7FA2L1A93CFP#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA2L1A93CFP#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 R7FA2L1A93CFP#AA0 part is unused and in its original packaging.
Return procedure for R7FA2L1A93CFP#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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