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Renesas R7FA2E1A92DFK#AA0
- Part No.:
- R7FA2E1A92DFK#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA2E1A92DFK#AA0.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,425
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Product details
Overview
R7FA2E1A92DFK#AA0 from Renesas is an ultra-low-power 32-bit Arm® Cortex®-M23 microcontroller operating at up to 48 MHz, featuring 128-KB code flash, 16-KB SRAM, a 12-bit ADC, Capacitive Sensing Unit (CTSU2), and integrated security (AES128/256, TRNG). It targets battery-powered HMI, sensor nodes, and industrial control where low power, touch interface, and functional safety are critical.
For engineers reviewing the R7FA2E1A92DFK#AA0 datasheet, R7FA2E1A92DFK#AA0 pinout, R7FA2E1A92DFK#AA0 application, or R7FA2E1A92DFK#AA0 equivalent, key selection factors include its 64-pin LQFP-0.8mm package, -40°C to +85°C industrial temperature grade, CTSU2-based touch capability, dual watchdog timers (WDT/IWDT), and support for multiple clock sources including HOCO/MOCO/LOCO with trim.
Technical Context
The R7FA2E1A92DFK#AA0 implements the Armv8-M architecture with Memory Protection Unit (MPU) supporting 8 regions, enabling secure partitioning of firmware and data. Its system-level timing infrastructure includes RTC, AGT timers for low-power event counting, and ELC for CPU-free peripheral linking.
Analog subsystem integration includes ADC12 with 13 selectable input channels, two low-power analog comparators (ACMPLP), and on-die temperature sensor (TSN) routed to ADC input. Safety features include SRAM parity checking, flash area protection, ADC self-diagnosis, CAC for clock accuracy validation, and CRC/DOC for data integrity assurance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23, 48 MHz max - enables real-time deterministic execution with TrustZone-M isolation for secure boot and peripheral access control. |
| Memory | 128-KB code flash + 4-KB data flash + 16-KB SRAM - supports firmware updates in field, parameter storage with 100k P/E cycles, and real-time buffer allocation. |
| Analog Peripherals | 12-bit ADC12 (13 ch), 2× ACMPLP, TSN - provides precision sensor interfacing, threshold detection, and die temperature monitoring without external components. |
| Capacitive Touch | CTSU2 with up to 30 touch channels - delivers robust, noise-immune button/slider/knob sensing through dielectric overlays for consumer and industrial HMI. |
| Security | AES128/256 + TRNG - enables hardware-accelerated encryption for secure communication and firmware authentication. |
| Power & Temp | 1.6–5.5 V supply, -40°C to +85°C operation - ensures reliable function across wide industrial voltage rails and ambient conditions. |
| Package | 64-pin LQFP, 0.8 mm pitch, 14 mm × 14 mm - compatible with standard PCB assembly processes and offers 53 GPIOs with 5-V tolerance on select pins. |
Pinout & Package
Package: 64-pin LQFP (PLQP0064GA-A), 14 mm × 14 mm, 0.8 mm pitch, exposed pad recommended connected to VSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual VCC pins (pins 2, 48) and four VSS pins (pins 1, 24, 41, 64) ensure stable core/analog domain decoupling; 0.1-µF capacitor required per VCC. |
| P000–P015, P100–P113, etc. | General-purpose I/O | 53 configurable GPIOs with pull-up, open-drain, 5-V tolerant options - supports mixed-voltage interfacing and flexible peripheral mapping. |
| SWDIO / SWCLK | Debug interface | Two-pin Serial Wire Debug (SW-DP) enables non-intrusive programming, trace, and real-time register inspection during development and field diagnostics. |
| XTAL / EXTAL / XCIN / XCOUT | Crystal oscillator inputs | Supports main (1–20 MHz) and sub-clock (32.768 kHz) crystals - essential for precise RTC operation and low-power sleep mode timing. |
| AN000–AN010, AN017–AN022 | ADC input channels | 13 dedicated analog inputs with internal reference (VREFH0/VREFL0) - allows direct connection of sensors, potentiometers, and thermistors without external signal conditioning. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Sensing Unit (CTSU2) | 30-channel touch sensing with built-in noise cancellation - eliminates need for external touch controller IC in appliances, panels, and medical devices. |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining without CPU involvement - reduces latency and power in sensor-to-actuator workflows (e.g., ADC conversion → DMA transfer → PWM update). |
| Low-Power Asynchronous Timers (AGT × 2) | 16-bit timers running independently on LOCO clock - enables wake-from-deep-sleep event counting or periodic sampling at µA-level current draw. |
| Security Acceleration | Dedicated AES128/256 engine + True Random Number Generator - accelerates TLS handshake, secure boot verification, and cryptographic key generation in resource-constrained edge nodes. |
| Functional Safety Support | CAC, SRAM parity, IWDT, register write protection - satisfies basic requirements for IEC 61508 SIL-2 and ISO 13849 PL d in industrial control applications. |
Applications
| Smart Home Control Panel | Industrial Sensor Node |
|---|---|
Use Scenario: Wall-mounted thermostat with capacitive touch buttons, temperature/humidity sensing, and BLE connectivity. IC Role / Device Role / Timing Role: Main application MCU handling touch UI, sensor acquisition via ADC12/TSN, real-time scheduling via RTC/AGT, and secure firmware updates using AES+TRNG. Use Value: Single-chip integration replaces discrete touch controller + ADC + crypto IC, reducing BOM cost and PCB area while maintaining <10 µA deep-sleep current. | Use Scenario: Battery-powered vibration/temperature monitor deployed in factory machinery with predictive maintenance telemetry. IC Role / Device Role / Timing Role: Low-power data acquisition node using AGT to wake every 5 seconds, ADC12 to sample piezo sensor, and CTSU2 for tamper detection on enclosure. Use Value: Dual watchdog (WDT + IWDT) ensures fail-safe reset under firmware lockup; CAC validates clock integrity before sensor readings are transmitted. |
| Medical Wearable Device | Consumer Appliance Interface |
Use Scenario: Portable pulse oximeter with optical sensor interface, OLED display driver, and USB charging management. IC Role / Device Role / Timing Role: System controller managing analog front-end (ADC12 + ACMPLP), SPI-driven display, and USB enumeration via SCI UART bridge. Use Value: 16-KB SRAM enables double-buffered sensor data processing; 5-V tolerant I/O simplifies interface to legacy display modules. | Use Scenario: Microwave oven control board requiring touch keys, relay drivers, and cooking timer with audible feedback. IC Role / Device Role / Timing Role: HMI-focused MCU executing CTSU2 scan, driving buzzer via GPT PWM, and maintaining accurate cooking time via RTC calendar mode. Use Value: Integrated RTC with 100-year Gregorian calendar eliminates need for external timekeeping IC; POEG disables GPT outputs during fault conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2E1A93CFK#AA0 | Same RA2E1 family, identical peripherals and pinout, but rated for -40°C to +105°C industrial extended temperature range. | Required for applications operating in high-ambient environments (e.g., under-hood automotive, industrial drives). | Select R7FA2E1A93CFK#AA0 when ambient temperature exceeds +85°C; otherwise R7FA2E1A92DFK#AA0 is optimal for cost-sensitive industrial designs. |
| R7FA2E1A72DFK#AA0 | Same package and temperature grade, but reduced 64-KB code flash and 12-channel ADC (vs. 128-KB and 13-channel). | Suitable for simpler HMI or sensor nodes where firmware footprint and analog channel count are lower. | Choose R7FA2E1A72DFK#AA0 to reduce cost when full 128-KB flash and 13 ADC channels are unused; retains CTSU2, AES, and all low-power features. |
Compared with R7FA2E1A93CFK#AA0, the R7FA2E1A92DFK#AA0 trades extended temperature rating for lower unit cost while retaining identical functionality. Against R7FA2E1A72DFK#AA0, it provides double flash capacity and one additional ADC channel-critical for field-upgradable firmware and multi-sensor fusion.
Availability
R7FA2E1A92DFK#AA0 is available at Aetrix Electronics and suitable for smart home control panels, industrial sensor nodes, and medical wearable devices requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for R7FA2E1A92DFK#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 over 40 years of microcontroller innovation.
The RA2E1 group is designed specifically for ultra-low-power, cost-sensitive general-purpose applications requiring rich analog integration, capacitive touch, and hardware security-targeting battery-operated and energy-conscious systems.
FAQ
What is the maximum operating frequency and core architecture of the R7FA2E1A92DFK#AA0?
The R7FA2E1A92DFK#AA0 features an Arm Cortex-M23 core compliant with the Armv8-M architecture and operates at a maximum frequency of 48 MHz. This enables efficient real-time processing with TrustZone-M security extensions, making it suitable for applications requiring both performance and isolation between trusted and untrusted code domains within the R7FA2E1A92DFK#AA0.
Does the R7FA2E1A92DFK#AA0 support capacitive touch sensing, and how many channels are available?
Yes, the R7FA2E1A92DFK#AA0 integrates the Capacitive Sensing Unit version 2 (CTSU2) supporting up to 30 touch channels. This allows implementation of sliders, wheels, and matrix keypads through software-configurable electrode scanning, with built-in noise immunity for reliable operation in noisy industrial or consumer environments using the R7FA2E1A92DFK#AA0.
What are the memory resources available on the R7FA2E1A92DFK#AA0?
The R7FA2E1A92DFK#AA0 provides 128-KB of code flash memory for program storage, 4-KB of data flash memory rated for 100,000 program/erase cycles for parameter retention, and 16-KB of on-chip SRAM with parity protection. These resources support robust firmware updates, calibration data logging, and real-time data buffering in the R7FA2E1A92DFK#AA0.
Which security features are implemented in hardware on the R7FA2E1A92DFK#AA0?
The R7FA2E1A92DFK#AA0 includes hardware-accelerated AES128/256 encryption, a True Random Number Generator (TRNG), Flash Area Protection, SRAM Parity Checking, and Clock Frequency Accuracy Measurement Circuit (CAC). These features collectively enable secure boot, encrypted communication, and runtime integrity verification directly within the R7FA2E1A92DFK#AA0 without external security ICs.
What package type and pin count does the R7FA2E1A92DFK#AA0 use, and what is its operating temperature range?
The R7FA2E1A92DFK#AA0 uses a 64-pin LQFP package with 0.8 mm pitch (PLQP0064GA-A), measuring 14 mm × 14 mm. It is rated for industrial operation from -40°C to +85°C, making it suitable for deployment in demanding environments where thermal stability and mechanical reliability are essential for the R7FA2E1A92DFK#AA0.
R7FA2E1A92DFK#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RA2E1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M23
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- I2C, SmartCard, SPI, UART/USART
- Peripherals:
- AES, Capacitive Touch, DMA, LVD, POR, PWM, Temp Sensor, TRNG, WDT
- Number of I/O:
- 53
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 13x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA2E1A92DFK#AA0 FAQ
1.How can I place an order for R7FA2E1A92DFK#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA2E1A92DFK#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 R7FA2E1A92DFK#AA0 reliable?
The price and inventory of R7FA2E1A92DFK#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA2E1A92DFK#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA2E1A92DFK#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA2E1A92DFK#AA0 transactions.
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4.How is shipping managed for R7FA2E1A92DFK#AA0?
R7FA2E1A92DFK#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA2E1A92DFK#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 R7FA2E1A92DFK#AA0?
For technical support, including R7FA2E1A92DFK#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA2E1A92DFK#AA0 requirements.
6.How does Aetrix verify that R7FA2E1A92DFK#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA2E1A92DFK#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 R7FA2E1A92DFK#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA2E1A92DFK#AA0?
All R7FA2E1A92DFK#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA2E1A92DFK#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 R7FA2E1A92DFK#AA0 part is unused and in its original packaging.
Return procedure for R7FA2E1A92DFK#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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