My Inquiry
My Account
Renesas R7FA2L1A93CNE#AA0
- Part No.:
- R7FA2L1A93CNE#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R7FA2L1A93CNE#AA0.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48HWQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,431
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R7FA2L1A93CNE#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 - designed for battery-powered industrial HMI, smart sensors, and IoT edge nodes.
For engineers reviewing the R7FA2L1A93CNE#AA0 datasheet, R7FA2L1A93CNE#AA0 pinout, R7FA2L1A93CNE#AA0 application, or R7FA2L1A93CNE#AA0 equivalent, this page delivers verified technical context, package-specific pin mapping, real-world use cases, and validated alternative options aligned to functional scope, memory size, and industrial temperature grade (-40°C to +85°C).
Technical Context
The R7FA2L1A93CNE#AA0 implements the Armv8-M architecture with Memory Protection Unit (MPU) and CoreSight™ debug support (SW-DP). It integrates dual clock domains: high-speed HOCO (up to 48 MHz) and low-power LOCO (32.768 kHz), enabling precise RTC operation and sub-microamp sleep modes.
Its analog subsystem includes a 12-bit ADC with 13 selectable input channels, a single 12-bit DAC output (DA0), two low-power comparators (ACMPLP0/1), and on-die temperature sensor (TSN) - all referenced to dedicated AVCC0/AVSS0 rails and protected by independent voltage monitoring (LVD0–LVD2).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M23 @ 48 MHz - energy-efficient secure execution with MPU and TrustZone®-M support |
| Memory | 128 KB code flash + 8 KB data flash + 32 KB SRAM - supports firmware updates, parameter storage, and real-time buffering |
| Analog I/O | 12-bit ADC (13 ch), 12-bit DAC (1 ch), 2× ACMPLP, TSN - enables precision sensor interfacing and analog control loop closure |
| Connectivity | CAN 2.0B, 5× SCI (UART/IIC/SPI/Smart Card), 2× IIC, 2× SPI - suitable for industrial fieldbus and multi-protocol peripheral management |
| Human Interface | Capacitive Touch Sensing Unit (CTSU2) with up to 30 touch pins - supports robust, waterproof button/slider implementation without mechanical wear |
| Power & Safety | 1.6–5.5 V operation, -40°C to +85°C, ECC in SRAM, CAC, CRC, IWDT, LVD - meets IEC 61508 SIL-2 functional safety requirements |
| Package | 48-pin HWQFN (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad - optimized for compact PCB layout and thermal dissipation in sealed enclosures |
Pinout & Package
Package: 48-pin HWQFN (PWQN0048KC-A), 7 mm × 7 mm, 0.5 mm pitch, exposed die pad (recommended connection to VSS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: digital VCC/VSS and analog AVCC0/AVSS0 - require separate decoupling for noise-sensitive ADC/DAC operation |
| P000–P015, P100–P115, etc. | General-purpose I/O | 34 total GPIOs with 5-V tolerance on 4 pins, N-ch open-drain outputs, pull-up resistors - supports mixed-voltage system interfacing and bus arbitration |
| XCIN / XCOUT | Sub-clock oscillator | 32.768 kHz crystal interface for RTC - enables calendar-mode timekeeping with automatic leap-year correction |
| CRX0 / CTX0 | CAN transceiver interface | Dedicated differential CAN bus pins requiring external ISO 11898-compliant transceiver - supports up to 32 mailboxes and standard/extended frames |
| DA0 | Analog output | Single 12-bit DAC output pin - used for programmable bias voltage generation, sensor calibration, or analog actuator control |
| TS00–TS35-CFC | Capacitive touch sense | Up to 30 CTSU2 touch channel inputs - enable multi-button, slider, or proximity detection with built-in noise immunity and auto-tuning |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | Sub-μA deep-sleep current with RAM retention and wake-on-touch/CAN/RTC - extends battery life in wireless sensor nodes beyond 5 years |
| Integrated security engine | AES-128/256 hardware accelerator + True Random Number Generator (TRNG) - enables secure boot, encrypted firmware updates, and TLS key generation |
| Event Link Controller (ELC) | Hardware-triggered peripheral chaining without CPU intervention - reduces latency and CPU load in time-critical motor control or sensor sampling |
| Capacitive Touch Sensing Unit (CTSU2) | Self-capacitance measurement with built-in noise cancellation and automatic drift compensation - eliminates need for external touch controller IC |
| Functional safety support | Clock Frequency Accuracy Measurement (CAC), SRAM ECC, IWDT with independent clock - satisfies diagnostic coverage requirements for IEC 61508 and ISO 13849 |
Applications
| Industrial HMI Panel | Smart Building Sensor Node |
|---|---|
Use Scenario: Wall-mounted HVAC control panel with capacitive buttons, temperature/humidity sensing, and CAN bus integration into building automation network. IC Role / Device Role / Timing Role: Main controller executing UI logic, reading CTSU2 touch inputs, sampling ADC channels, driving DAC for analog output, and managing CAN messaging at 500 kbps. Use Value: Single-chip solution replaces MCU + touch controller + CAN transceiver interface - reduces BOM cost by 35% and PCB area by 40%. | Use Scenario: Battery-powered occupancy/light-level sensor deployed in office ceilings, transmitting data via CAN to central gateway every 30 seconds. IC Role / Device Role / Timing Role: Low-power sensor aggregator with RTC wake-up, ADC acquisition of ambient light/PIR signals, and CAN frame transmission using DTC-triggered burst mode. Use Value: Achieves 7.2-year battery life (CR2477) using deep-sleep + ELC-triggered wake-up - eliminates annual maintenance cycles. |
| Motor Control Gateway | Medical Diagnostic Handheld |
Use Scenario: Brushless DC motor control module for industrial pump, receiving speed commands over CAN and generating 3-phase PWM via GPT timers. IC Role / Device Role / Timing Role: Real-time motion controller with GPT32/GPT16 for synchronized PWM generation, AGT for pulse-width measurement, and CAN for command reception. Use Value: Hardware-based POEG (Port Output Enable) prevents shoot-through during PWM dead-time insertion - improves reliability vs. software-timed solutions. | Use Scenario: Portable blood glucose meter with capacitive touch UI, electrochemical sensor interface, and secure firmware update capability. IC Role / Device Role / Timing Role: Secure medical controller performing ADC conversion of sensor current, CTSU2 button input, AES-encrypted BLE packet preparation, and LVD-monitored battery management. Use Value: On-chip TRNG and AES engine meet FDA cybersecurity guidance for Class II devices - avoids costly external crypto co-processor certification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2L1AB2DNE#AA0 | 256 KB flash (vs. 128 KB), same 48-pin HWQFN, identical peripherals and temp range | Supports larger firmware images (e.g., OTA stack + GUI framework) without changing PCB layout | Select when future firmware expansion or dual-bank OTA is required; pinout and software compatible |
| STM32L412KBU6 | ARM Cortex-M4, 128 KB flash, 32 KB SRAM, no CAN, no CTSU, 48-pin QFN, -40°C to +85°C | Lacks integrated CAN and capacitive touch - requires external transceiver and touch controller for equivalent functionality | Choose only if CAN and CTSU are unused; otherwise, R7FA2L1A93CNE#AA0 provides higher integration and lower system-level BOM cost |
Compared with R7FA2L1AB2DNE#AA0, the R7FA2L1A93CNE#AA0 trades flash capacity for cost optimization while retaining full peripheral compatibility; versus STM32L412KBU6, it delivers native CAN and CTSU - eliminating two external ICs and reducing design validation effort.
Availability
R7FA2L1A93CNE#AA0 is available at Aetrix Electronics and suitable for industrial HMI, smart sensor nodes, and medical handhelds requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability under extended temperature operation.
Supply support for R7FA2L1A93CNE#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 industrial, automotive, and IoT markets.
The RA2L1 group targets ultra-low-power, cost-sensitive embedded applications requiring security, analog integration, and human-machine interface capabilities - with R7FA2L1A93CNE#AA0 optimized for compact, battery-operated designs needing CAN and capacitive touch.
FAQ
What is the maximum operating frequency and core architecture of the R7FA2L1A93CNE#AA0?
The R7FA2L1A93CNE#AA0 features an Arm Cortex-M23 core operating at up to 48 MHz, compliant with the Armv8-M architecture. It includes an 8-region Memory Protection Unit (MPU), CoreSight™ debug support (SW-DP), and TrustZone®-M security extensions - enabling secure, deterministic real-time execution for industrial and medical applications.
Does the R7FA2L1A93CNE#AA0 support CAN communication, and what external components are required?
Yes, the R7FA2L1A93CNE#AA0 includes a full CAN 2.0B module compliant with ISO 11898-1, supporting both standard and extended frames. It requires an external CAN transceiver (e.g., TJA1042 or SN65HVD230) connected to CRX0/CTX0 pins - no additional protocol stack or timing circuitry is needed on the MCU side.
How many capacitive touch channels does the R7FA2L1A93CNE#AA0 support, and which pins are dedicated to CTSU2?
The R7FA2L1A93CNE#AA0 supports up to 30 capacitive touch sensing channels via its CTSU2 peripheral. Dedicated pins include TS00, TS02–TS07, TS08–TS16-CFC, TS17–TS18, TS21–TS25, and TS26–TS35-CFC - all mapped to specific GPIOs in the 48-pin HWQFN package per Figure 1.7 and Table 1.14.
What are the memory resources available on the R7FA2L1A93CNE#AA0, and how is data flash endurance specified?
The R7FA2L1A93CNE#AA0 provides 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 optional ECC protection. The data flash is segmented and independently erasable - ideal for storing calibration data, device configuration, or firmware update staging areas.
Is the R7FA2L1A93CNE#AA0 qualified for industrial temperature operation, and what voltage range does it support?
Yes, the R7FA2L1A93CNE#AA0 is rated for industrial temperature operation from -40°C to +85°C and operates across a wide supply voltage range of 1.6 V to 5.5 V. This allows direct interfacing with 3.3 V and 5 V systems, and supports battery-powered designs using single-cell Li-ion (3.0–4.2 V) or alkaline (1.8–5.5 V) sources.
R7FA2L1A93CNE#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- 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:
- 37
- 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 13x12b SAR; D/A 1x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA2L1A93CNE#AA0 FAQ
1.How can I place an order for R7FA2L1A93CNE#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA2L1A93CNE#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 R7FA2L1A93CNE#AA0 reliable?
The price and inventory of R7FA2L1A93CNE#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA2L1A93CNE#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA2L1A93CNE#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA2L1A93CNE#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA2L1A93CNE#AA0?
R7FA2L1A93CNE#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA2L1A93CNE#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 R7FA2L1A93CNE#AA0?
For technical support, including R7FA2L1A93CNE#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA2L1A93CNE#AA0 requirements.
6.How does Aetrix verify that R7FA2L1A93CNE#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA2L1A93CNE#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 R7FA2L1A93CNE#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA2L1A93CNE#AA0?
All R7FA2L1A93CNE#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA2L1A93CNE#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 R7FA2L1A93CNE#AA0 part is unused and in its original packaging.
Return procedure for R7FA2L1A93CNE#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA2L1A93CNE#AA0 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
