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Renesas R7FA2E3072DFJ#BA0
- Part No.:
- R7FA2E3072DFJ#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R7FA2E3072DFJ#BA0.pdf
- Description:
- MCU RA2E3 ARM CM23 48MHZ 64K/16K
- Quantity:
- Payment:
- Shipping:
Inventory:3,029
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Product details
Overview
R7FA2E3072DFJ#BA0 from Renesas 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, and a 12-bit ADC - designed for cost-sensitive industrial sensor nodes and battery-powered HMI interfaces requiring functional safety support.
For engineers reviewing the R7FA2E3072DFJ#BA0 datasheet, R7FA2E3072DFJ#BA0 pinout, R7FA2E3072DFJ#BA0 application, or R7FA2E3072DFJ#BA0 equivalent, key selection criteria include its -40°C to +85°C temperature grade, 32-pin LQFP package with 23 GPIOs, integrated CAC and CRC for IEC 61508-compliant diagnostics, and dual watchdog timers (WDT/IWDT) for fail-safe operation.
Technical Context
The R7FA2E3072DFJ#BA0 implements Armv8-M architecture with Memory Protection Unit (MPU) supporting eight regions, enabling secure partitioning of firmware and data in resource-constrained embedded systems. Its clock system integrates HOCO (48 MHz), LOCO (32.768 kHz), and SOSC for precise RTC timing, with Clock Frequency Accuracy Measurement Circuit (CAC) validating oscillator stability against reference clocks.
It features two independent watchdogs - WDT (ICLK-driven) and IWDT (dedicated 15-kHz oscillator) - plus SRAM parity checking, flash area protection, and register write protection to meet ASIL-B readiness requirements. The Event Link Controller (ELC) enables autonomous peripheral triggering without CPU intervention, reducing active power consumption during sensor polling or PWM control tasks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M23, 48 MHz max - delivers deterministic real-time response with TrustZone®-Lite security isolation for firmware partitioning. |
| Memory | 64-KB code flash + 2-KB data flash (100k P/E cycles) + 16-KB SRAM with parity - supports robust firmware updates and runtime data logging. |
| Analog | 12-bit ADC12 with 10 input channels + on-die temperature sensor - enables precision environmental monitoring without external components. |
| Timers | GPT32 ×1, GPT16 ×6, AGT ×2, RTC, WDT/IWDT - provides flexible PWM generation, low-power event counting, and calendar-aware timekeeping. |
| Connectivity | SCI ×4 (UART/SPI/I²C/Smart Card), IIC ×1, SPI ×1 - supports multi-protocol sensor interfacing and legacy bus integration. |
| Safety | CAC, CRC calculator, DOC, SRAM parity, flash protection, IWDT - satisfies diagnostic coverage requirements for IEC 61508 SIL2 applications. |
| Supply & Temp | VCC = 1.6–5.5 V; operating range: -40°C to +85°C - ensures reliable operation across industrial ambient conditions and wide-input power supplies. |
Pinout & Package
Package: 32-pin LQFP (7 mm × 7 mm, 0.8 mm pitch), RoHS-compliant Sn finish, industrial-grade (-40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P000–P015, P100–P112, P200–P215, P300–P302, P400–P409, P500, P913–P915 | General-purpose I/O | 23 configurable GPIOs with 5-V tolerance (P400/P401/P407), pull-up, open-drain, and programmable drive strength - simplifies level-shifting and interface flexibility. |
| VCC / VSS / AVCC0 / AVSS0 / VREFH0 / VREFL0 | Power & analog reference | Dedicated analog supply (AVCC0/AVSS0) and separate reference pins (VREFH0/VREFL0) enable high-accuracy ADC measurements with minimal noise coupling. |
| XTAL / EXTAL / XCIN / XCOUT / CLKOUT | Clock sources | Supports external crystal (1–20 MHz), sub-clock (32.768 kHz), and internal oscillators - allows trade-off between accuracy, startup time, and power. |
| SWDIO / SWCLK / RES / MD | Debug & system control | Standard 2-pin SWD interface for programming/debugging; RES pin enables hardware reset; MD pin selects boot mode - no external debug adapter required. |
| AN000–AN002, AN005–AN010, AN019–AN022 | ADC inputs | 10-channel analog input mapping (including TSN output) - supports simultaneous sampling of sensors, thermistors, and voltage rails. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | Multiple low-power modes (SNOOZE, DEEP, STOP) with sub-μA RTC retention current - extends battery life in wireless sensor endpoints. |
| Functional safety support | Integrated CAC, CRC, DOC, SRAM parity, and dual watchdogs - reduces external safety component count for IEC 61508/UL 60730 certification. |
| Hardware-accelerated data integrity | CRC calculator with LSB/MSB-first selection and snoop function - enables automatic checksum generation on UART/SPI buffer access without CPU overhead. |
| Autonomous peripheral coordination | Event Link Controller (ELC) links ADC triggers to GPT start, or SCI RX interrupts to DTC transfers - eliminates polling and reduces active CPU time. |
| Robust clock supervision | Clock Frequency Accuracy Measurement Circuit validates HOCO/MOCO/LOCO against SOSC reference - detects oscillator drift before system failure occurs. |
Applications
| Industrial Sensor Node | Smart Thermostat Interface |
|---|---|
|
Use Scenario: Battery-powered temperature/humidity sensor node transmitting data via UART-to-LoRaWAN gateway every 5 minutes. IC Role / Device Role / Timing Role: Main controller executing sensor readout, CRC-protected data packaging, and low-power sleep/wake scheduling using AGT and RTC alarms. Use Value: 23 GPIOs accommodate multiple sensors; 12-bit ADC resolves ±0.1°C thermal readings; IWDT ensures recovery from brown-out-induced lockup. |
Use Scenario: Touch-enabled HVAC control panel with local display, button inputs, and RS-485 communication to building management system. IC Role / Device Role / Timing Role: HMI processor managing capacitive touch scan, LCD refresh, and real-time clock synchronization via SOSC. Use Value: 5-V-tolerant GPIOs interface directly with legacy 5-V logic; GPT16 channels generate precise PWM for backlight dimming; KINT handles wake-on-button press. |
| Programmable Logic Controller I/O Module | Medical Patient Monitor Front-End |
|
Use Scenario: DIN-rail mounted digital I/O expansion module with isolated inputs/outputs and Modbus RTU over SCI. IC Role / Device Role / Timing Role: Protocol handler and state machine executor, using SCI UART with hardware flow control and DTC for zero-CPU buffer transfers. Use Value: SCI ×4 supports concurrent Modbus master/slave and diagnostics port; register write protection prevents accidental configuration corruption during ESD events. |
Use Scenario: Portable pulse oximeter front-end acquiring analog SpO₂ and heart rate signals, performing real-time filtering, and driving OLED display. IC Role / Device Role / Timing Role: Signal acquisition engine using ADC12 with internal TSN and VREFH0 for ratiometric measurement stability. Use Value: On-chip temperature sensor compensates ADC gain/offset drift; CRC-verified firmware updates ensure regulatory compliance; LVD monitors battery health. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA2E3072DFL#BA0 | 48-pin LQFP package; 37 GPIOs; same core, memory, peripherals, and temp grade. | Requires PCB redesign for larger footprint and higher pin count - suitable when additional I/O or SCI channels are needed. | Select when board layout allows 48-pin LQFP and >23 GPIOs are required for sensor expansion or protocol redundancy. |
| R7FA2E3052DFJ#BA0 | 32-pin LQFP; 32-KB code flash (vs. 64 KB); identical SRAM, ADC, timers, and safety features. | Reduces BOM cost and flash programming time - appropriate for fixed-function firmware with <128 KB total image size. | Choose when application firmware fits within 32 KB and long-term field update capability is not required. |
Compared with R7FA2E3072DFJ#BA0, the R7FA2E3072DFL#BA0 offers more I/O and peripheral routing flexibility at the cost of board space, while R7FA2E3052DFJ#BA0 trades flash capacity for lower unit cost - both retain identical safety mechanisms and real-time performance.
Availability
R7FA2E3072DFJ#BA0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostats, PLC I/O modules, and portable medical devices requiring stable component supply across extended product lifecycles.
Supply support for R7FA2E3072DFJ#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, and power solutions for automotive, industrial, and IoT markets.
The RA2E3 Group targets cost-optimized, ultra-low-power embedded applications demanding functional safety - delivering Arm Cortex-M23 MCUs with integrated diagnostics, energy-efficient peripherals, and scalable software compatibility across the RA family.
FAQ
What is the maximum operating frequency of the R7FA2E3072DFJ#BA0?
The R7FA2E3072DFJ#BA0 operates at a maximum frequency of 48 MHz using its high-speed on-chip oscillator (HOCO). This speed is achievable across the full industrial temperature range (-40°C to +85°C) and supply voltage (1.6–5.5 V), with optional external crystal support up to 20 MHz for enhanced timing accuracy.
Does the R7FA2E3072DFJ#BA0 support functional safety standards?
Yes, the R7FA2E3072DFJ#BA0 includes multiple hardware safety features required for IEC 61508 SIL2 implementation: Clock Frequency Accuracy Measurement Circuit (CAC), Cyclic Redundancy Check (CRC) calculator, Data Operation Circuit (DOC), SRAM parity checking, flash area protection, and dual watchdog timers (WDT and IWDT) with independent clock sources.
How many analog input channels does the R7FA2E3072DFJ#BA0 ADC support?
The R7FA2E3072DFJ#BA0 integrates a 12-bit successive approximation ADC (ADC12) with 10 selectable analog input channels: AN000–AN002, AN005–AN010, and AN019–AN022. It also accepts internal signals including the on-die temperature sensor (TSN) and internal reference voltage for self-calibration routines.
What package type and pin count does the R7FA2E3072DFJ#BA0 use?
The R7FA2E3072DFJ#BA0 uses a 32-pin LQFP package (7 mm × 7 mm, 0.8 mm pitch), designated by the "FJ" suffix in its part number. It provides 23 general-purpose I/O pins, 3 dedicated analog inputs, and full access to all core peripherals including SCI, I²C, SPI, timers, and debug interfaces.
Can the R7FA2E3072DFJ#BA0 operate from a single 3.3-V supply?
Yes, the R7FA2E3072DFJ#BA0 operates reliably from a single 3.3-V supply across its full industrial temperature range. Its VCC specification (1.6–5.5 V) and integrated voltage regulators allow direct connection to standard 3.3-V LDO outputs, with recommended 0.1-µF decoupling capacitors placed near VCC, AVCC0, and VREFH0 pins.
R7FA2E3072DFJ#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-LQFP
- Series:
- RA2E3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M23
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- I2C, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 23
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 10x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA2E3072DFJ#BA0 FAQ
1.How can I place an order for R7FA2E3072DFJ#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA2E3072DFJ#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 R7FA2E3072DFJ#BA0 reliable?
The price and inventory of R7FA2E3072DFJ#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA2E3072DFJ#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA2E3072DFJ#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA2E3072DFJ#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA2E3072DFJ#BA0?
R7FA2E3072DFJ#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA2E3072DFJ#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 R7FA2E3072DFJ#BA0?
For technical support, including R7FA2E3072DFJ#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA2E3072DFJ#BA0 requirements.
6.How does Aetrix verify that R7FA2E3072DFJ#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA2E3072DFJ#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 R7FA2E3072DFJ#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA2E3072DFJ#BA0?
All R7FA2E3072DFJ#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA2E3072DFJ#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 R7FA2E3072DFJ#BA0 part is unused and in its original packaging.
Return procedure for R7FA2E3072DFJ#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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