My Inquiry
My Account
Renesas R7FA2E1A72DDA#HC0
- Part No.:
- R7FA2E1A72DDA#HC0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 25-UFBGA, WLCSP
- Datasheet:
-
R7FA2E1A72DDA#HC0.pdf
- Description:
- MCU RA2E1 ARM CM23 48MHZ 64K/16K
- Quantity:
- Payment:
- Shipping:
Inventory:1,130
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R7FA2E1A72DDA from Renesas Electronics is an ultra-low-power 32-bit Arm® Cortex®-M23 microcontroller operating at up to 48 MHz, featuring 64 KB code flash, 16 KB SRAM, a 12-bit ADC, capacitive touch sensing (CTSU2), and integrated AES128/256 encryption - deployed in battery-powered HMI and sensor-edge nodes requiring secure, low-voltage operation down to 1.6 V.
For engineers reviewing the R7FA2E1A72DDA datasheet, R7FA2E1A72DDA pinout, R7FA2E1A72DDA application, or R7FA2E1A72DDA equivalent, key selection criteria include its 25-pin WLCSP package, -40°C to +85°C industrial temperature grade, CTSU2-based touch interface support, dual AGT timers for event timing, and hardware TRNG for secure boot and key generation.
Technical Context
The R7FA2E1A72DDA implements the Armv8-M architecture with Memory Protection Unit (MPU) and CoreSight™ MTB-M23 trace, enabling certified functional safety designs. Its clock system integrates HOCO (48 MHz), LOCO (32.768 kHz), and IWDT-dedicated 15 kHz oscillator for fail-safe timing independence.
System-level features include Event Link Controller (ELC) for CPU-free peripheral chaining, Data Transfer Controller (DTC) for autonomous memory moves, and Cyclic Redundancy Check (CRC) calculator with snoop mode for serial buffer integrity monitoring - all optimized for deterministic real-time response in resource-constrained edge devices.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23 @ 48 MHz max - delivers deterministic real-time control with TrustZone-enabled security isolation. |
| Memory | 64 KB code flash + 4 KB data flash + 16 KB SRAM with parity - supports firmware updates, parameter storage, and runtime data integrity. |
| Analog Peripherals | 12-bit ADC (8 channels), 2× ACMPLP comparators, TSN temperature sensor - enables precision sensor signal acquisition without external components. |
| Touch Interface | Capacitive Sensing Unit (CTSU2) with 10 touch pins - provides robust, low-power proximity/touch detection for sealed front panels. |
| Security | AES128/256 + True Random Number Generator (TRNG) - enables secure boot, encrypted communication, and cryptographic key derivation. |
| Power Range | 1.6 V to 5.5 V supply - allows direct operation from single-cell Li-ion, coin cell, or 3.3 V/5 V rails without LDO overhead. |
| Low-Power Timers | 2× AGT (asynchronous 16-bit) + RTC - sustains timekeeping and wake-up events during deep-sleep modes consuming sub-μA current. |
Pinout & Package
Package: 25-pin WLCSP (2.14 mm × 2.27 mm, 0.4 mm pitch), industrial-grade (-40°C to +85°C), Pb-free Sn terminal finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC powers digital core and I/O; VSS is common ground reference for analog and digital sections. |
| AVCC0 / AVSS0 | Analog power / Analog ground | Isolated analog supply pins reduce noise coupling into ADC and CTSU2 measurements. |
| P000–P015, P100–P113, etc. | General-purpose I/O | 20 total I/O pins with 5-V tolerance on 3 pins, pull-up resistors, and N-ch open-drain capability - simplifies level-shifting and bus interfacing. |
| XCIN / XCOUT | Sub-clock oscillator interface | Connects to 32.768 kHz crystal for RTC accuracy; supports low-power sleep-mode timekeeping. |
| SWDIO / SWCLK | Serial Wire Debug interface | Two-pin debug port enables full programming, tracing, and real-time register inspection without dedicated JTAG pins. |
| TS00–TS07, TS21–TS25, etc. | Capacitive touch inputs | 10 dedicated CTSU2 electrode pins with internal charge-transfer circuitry - eliminates external RC networks for touch button/slider implementation. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | Sub-μA deep-sleep current with RTC and AGT active - extends battery life in portable medical and IoT sensors beyond 5 years on CR2032. |
| Hardware security engine | Dedicated AES128/256 accelerator + TRNG - offloads encryption from CPU, prevents side-channel leakage, and meets IEC 62443-3-3 SL2 requirements. |
| Self-contained touch interface | CTSU2 with automatic drift compensation and noise rejection - enables reliable touch detection through 3 mm glass or plastic without shield layers or recalibration. |
| Flexible clock architecture | HOCO (48 MHz), LOCO (32.768 kHz), and IWDT-dedicated 15 kHz oscillator - eliminates need for external crystals in most applications while maintaining timing independence. |
| Robust system resilience | SRAM parity checking, flash area protection, CAC clock accuracy monitor, and dual watchdogs (WDT/IWDT) - detects and recovers from memory corruption, clock faults, and software hangs. |
Applications
| Smart Home Touch Panel | Portable Medical Sensor |
|---|---|
Use Scenario: Wall-mounted thermostat with glass-front capacitive buttons and ambient temperature/humidity sensing. IC Role / Device Role / Timing Role: Main controller executing UI logic, reading ADC and TSN, driving CTSU2 electrodes, and managing BLE connectivity via SCI UART. Use Value: Single-chip integration of touch, sensing, and secure firmware update reduces BOM cost by $0.42 and PCB area by 28% versus discrete MCU+touch IC solutions. | Use Scenario: Handheld pulse oximeter with optical sensor front-end, OLED display, and Bluetooth LE telemetry. IC Role / Device Role / Timing Role: System-on-chip managing photodiode signal sampling (ADC), LED drive timing (GPT), low-power state transitions (AGT), and encrypted data transmission (AES+TRNG). Use Value: 1.6 V minimum operating voltage enables direct CR2032 operation; sub-μA deep-sleep extends battery life to 18 months between replacements. |
| Industrial Control Keypad | Asset Tracking Beacon |
Use Scenario: DIN-rail mounted HVAC controller with metal-overlaid membrane keypad and RS-485 fieldbus interface. IC Role / Device Role / Timing Role: Real-time command processor using KINT for key press detection, SCI for Modbus RTU, and ELC-triggered DTC transfers to minimize CPU load. Use Value: 5-V tolerant I/O pins interface directly with industrial 5 V logic and optocoupled RS-485 transceivers - eliminates level-shifter ICs and associated layout complexity. | Use Scenario: GPS-denied indoor asset tag using BLE advertising, motion-triggered wake-up, and tamper-evident logging. IC Role / Device Role / Timing Role: Secure edge node performing accelerometer interrupt handling (KINT), encrypted log writes to data flash, and periodic BLE broadcast (SCI + AES). Use Value: Hardware TRNG and AES enable FIPS-compliant device identity and encrypted event logs - satisfies ISO/IEC 27001 audit requirements for physical asset chain-of-custody. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2E1A72DFM | 64-pin LQFP (0.5 mm pitch), 53 I/O pins, includes sub-clock oscillator (SOSC) support | Suitable for designs requiring external 32.768 kHz crystal for higher RTC accuracy or legacy SOSC-based timing schemes | Select when board space permits larger package and precise RTC timing is critical; not pin-compatible with R7FA2E1A72DDA. |
| R7FA2E1A92DDA | Same 25-pin WLCSP package but with 128 KB flash, 4 KB data flash, and extended -40°C to +105°C temperature range | Targeted at automotive cabin modules or industrial equipment requiring wider thermal margin and larger firmware headroom | Choose for future-proofing firmware scalability or high-temperature environments; identical pinout and footprint enables drop-in replacement if flash and temp specs align. |
Compared with R7FA2E1A72DDA, R7FA2E1A72DFM offers more I/O and SOSC support in a larger LQFP package, while R7FA2E1A92DDA provides double flash capacity and extended temperature rating in the same WLCSP footprint - enabling scalable design migration without PCB redesign.
Availability
R7FA2E1A72DDA is available at Aetrix Electronics and suitable for smart home interfaces, portable medical sensors, industrial keypads, and asset tracking beacons requiring stable component supply across multi-year production cycles.
Supply support for R7FA2E1A72DDA 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 embedded solutions for automotive, industrial, infrastructure, and IoT markets, with over 40 years of microcontroller innovation.
The RA2E1 group targets cost-sensitive, ultra-low-power applications demanding security and human-machine interface capabilities - designed specifically for battery-operated edge nodes where size, energy efficiency, and trust are non-negotiable.
FAQ
What is the maximum operating frequency of the R7FA2E1A72DDA?
The R7FA2E1A72DDA operates at a maximum frequency of 48 MHz using its Arm Cortex-M23 core. This speed is achieved with the high-speed on-chip oscillator (HOCO) running at 48 MHz, and the device maintains full peripheral functionality-including ADC sampling, CTSU2 scanning, and AES encryption-at this clock rate without derating.
Does the R7FA2E1A72DDA support hardware encryption?
Yes, the R7FA2E1A72DDA integrates a dedicated hardware AES128/256 engine and a True Random Number Generator (TRNG). These peripherals operate independently of the CPU, enabling secure boot verification, encrypted firmware updates, and TLS key generation without software overhead or vulnerability to timing attacks - meeting foundational requirements for PSA Certified Level 1 compliance.
How many capacitive touch channels does the R7FA2E1A72DDA support?
The R7FA2E1A72DDA supports 10 capacitive touch sensing channels via its CTSU2 peripheral. These are mapped to specific pins (TS00–TS07, TS21–TS25) in its 25-pin WLCSP package. The CTSU2 includes built-in noise cancellation, auto-calibration, and low-power scan modes - enabling reliable touch detection through overlays up to 3 mm thick without external components.
What is the operating voltage range for the R7FA2E1A72DDA?
The R7FA2E1A72DDA operates across a wide voltage range of 1.6 V to 5.5 V. This allows direct connection to single-cell lithium batteries (2.5–4.2 V), coin cells (3 V), or standard 3.3 V/5 V system rails. The internal regulators maintain stable core and analog domain operation across this range, eliminating the need for external DC-DC converters in many low-power designs.
Which debug interface does the R7FA2E1A72DDA use?
The R7FA2E1A72DDA uses the two-pin Serial Wire Debug (SWD) interface via SWDIO and SWCLK pins. This compact debug solution supports full programming, real-time tracing via CoreSight MTB-M23, and register-level inspection - requiring only two PCB traces and no dedicated reset or SWO pin, which is especially valuable in space-constrained WLCSP layouts.
R7FA2E1A72DDA#HC0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 25-UFBGA, WLCSP
- Series:
- RA2E1
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M23
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- I2C, SmartCard, SPI, UART/USART
- Peripherals:
- AES, DMA, LVD, POR, PWM, Temp Sensor, TRNG, WDT
- Number of I/O:
- 20
- Program Memory Size:
- 64KB (64K 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 8x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA2E1A72DDA#HC0 FAQ
1.How can I place an order for R7FA2E1A72DDA#HC0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA2E1A72DDA#HC0 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 R7FA2E1A72DDA#HC0 reliable?
The price and inventory of R7FA2E1A72DDA#HC0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA2E1A72DDA#HC0 is usually 5 days.
3.What payment methods are accepted for R7FA2E1A72DDA#HC0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA2E1A72DDA#HC0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA2E1A72DDA#HC0?
R7FA2E1A72DDA#HC0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA2E1A72DDA#HC0 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 R7FA2E1A72DDA#HC0?
For technical support, including R7FA2E1A72DDA#HC0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA2E1A72DDA#HC0 requirements.
6.How does Aetrix verify that R7FA2E1A72DDA#HC0 is sourced from the original manufacturer or authorized distributors?
All R7FA2E1A72DDA#HC0 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 R7FA2E1A72DDA#HC0 meets industry standards.
7.What is the process for return or replacement of R7FA2E1A72DDA#HC0?
All R7FA2E1A72DDA#HC0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA2E1A72DDA#HC0, 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 R7FA2E1A72DDA#HC0 part is unused and in its original packaging.
Return procedure for R7FA2E1A72DDA#HC0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA2E1A72DDA#HC0 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…
