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Renesas R7FA4M3AE3CFM#BA0
- Part No.:
- R7FA4M3AE3CFM#BA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7FA4M3AE3CFM#BA0.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 768K/128
- Quantity:
- Payment:
- Shipping:
Inventory:4,138
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Product details
Overview
R7FA4M3AE3CFM#BA0 from Renesas is a 64-pin LQFP Arm Cortex-M33 microcontroller operating at up to 100 MHz, featuring 768 KB code flash, 8 KB data flash, 128 KB SRAM with ECC, dual 12-bit ADCs (5 Msps interleaved), dual 12-bit DACs, USB 2.0 Full-Speed, CAN ×2, QSPI, SDHI, and integrated Secure Crypto Engine with AES/RSA/ECC/SHA256 for industrial HMI and secure edge node applications.
For engineers reviewing the R7FA4M3AE3CFM#BA0 datasheet, R7FA4M3AE3CFM#BA0 pinout, R7FA4M3AE3CFM#BA0 application, or R7FA4M3AE3CFM#BA0 equivalent, key selection criteria include its -40°C to +105°C temperature grade, 64-pin LQFP package (PLQP0064KB-C), TrustZone-enabled secure boot, 41 GPIOs with 9× 5-V-tolerant pins, and hardware-accelerated cryptography supporting device lifecycle management.
Technical Context
The R7FA4M3AE3CFM#BA0 implements Armv8-M with TrustZone, enabling secure/non-secure world isolation across flash, SRAM, and peripherals. Its dual 12-bit ADC units support up to 19 analog inputs with shared channel mapping (AN000/AN100, etc.) and internal temperature sensor integration.
It integrates SCE9 crypto accelerators for AES-128/256, RSA-2048/4096, ECC NIST P-256/P-384, SHA224/256, and GHASH, coupled with tamper detection via three dedicated pins and secure pin multiplexing-enabling certified secure element functionality without external co-processors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ 100 MHz with TrustZone and dual SysTick timers (Secure/Non-secure) |
| Memory | 768 KB code flash (background SWAP), 8 KB data flash (100k P/E cycles), 128 KB SRAM with ECC |
| Analog | Dual 12-bit ADCs (5 Msps interleaved), dual 12-bit DACs, on-die temperature sensor (TSN) |
| Connectivity | CAN ×2 (ISO 11898-1), USB 2.0 FS (internal transceiver), QSPI, SDHI, SCI ×6, IIC ×2, SPI ×1, SSIE |
| Security | Secure Crypto Engine 9 (AES/RSA/ECC/SHA256), 128-bit unique ID, tamper pins, lifecycle management |
| Package | 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), PLQP0064KB-C, -40°C to +105°C |
| I/O | 41 general-purpose I/O pins, 9× 5-V tolerant, N-ch open-drain, pull-up resistors on all 42 pins |
Pinout & Package
64-pin LQFP (PLQP0064KB-C) package with 41 I/O pins, 9× 5-V tolerant inputs, dedicated tamper pins (TAMP0–TAMP2), USB DP/DM, QSPI I/O0–I/O3, dual CAN RX/TX, SDHI DAT0–DAT3, and analog supply pins AVCC0/AVSS0/VREFH0/VREFL0.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power / Ground | Main digital supply (2.7–3.6 V) and ground reference; decoupling required per datasheet layout guidelines |
| VBATT | Battery Backup | Enables RTC, SOSC, and backup memory retention during main power loss |
| XTAL / EXTAL | Crystal Oscillator | Supports 8–24 MHz external crystal for high-accuracy system clock generation |
| USB_DP / USB_DM | USB Transceiver | Integrated full-speed USB PHY; no external transceiver needed for device/host operation |
| CRX0 / CTX0 CRX1 / CTX1 | CAN Interface | Dedicated differential receive/transmit pairs compliant with ISO 11898-1; requires external CAN transceivers |
| QIO0–QIO3 QSPCLK / QSSL | Quad SPI Bus | Direct interface to serial flash/FeRAM/EEPROM; supports x4 read/write with single-cycle addressing |
| SD0CMD / SD0CLK SD0DAT0–SD0DAT3 | SD Host Interface | 4-bit SDHC/SDXC host controller supporting UHS-I SDR12/SDR25 modes |
| AN000–AN007 AN100–AN102 | Analog Input | 19 total ADC input channels across two units; shared pins (e.g., AN000/AN100) enable simultaneous sampling |
Key Features
| Feature | Design Value |
|---|---|
| TrustZone Memory Protection | Configurable secure/non-secure regions in flash (3), SRAM (3), and data flash (2) enforce hardware-isolated execution environments |
| Background Flash Operation | SWAP-mode firmware updates execute while application runs from alternate bank-zero downtime field upgrades |
| Low-Power Timers | Six AGT timers operate independently of main clock; enable wake-from-standby on external pulse or periodic event |
| Capacitive Touch Sensing | CTSU supports up to 7 touch electrodes with noise immunity algorithms-no external RC components required |
| Event Link Controller (ELC) | Hardware routing of 128+ peripheral events eliminates CPU polling; enables deterministic real-time response (e.g., ADC trigger → DMA transfer) |
Applications
| Industrial HMI Panel | Secure Edge Gateway |
|---|---|
Use Scenario: Touch-enabled factory control panel with real-time motor status display and local configuration. IC Role / Device Role / Timing Role: R7FA4M3AE3CFM#BA0 serves as main application processor running FreeRTOS, driving CTSU-based touch UI, ADC-sampled sensor inputs, and CAN bus communication with PLCs. Use Value: Integrated CTSU and 41 GPIOs reduce BOM cost; TrustZone isolates UI firmware from secure CAN message signing logic. | Use Scenario: Field-deployable IoT gateway aggregating Modbus RTU data and forwarding encrypted payloads to cloud via TLS. IC Role / Device Role / Timing Role: R7FA4M3AE3CFM#BA0 acts as secure root-of-trust, performing AES-GCM encryption, ECDSA signature, and secure key storage using SCE9 and protected flash regions. Use Value: Hardware crypto acceleration achieves 2.1× faster TLS handshake vs. software-only; tamper pins detect physical intrusion attempts. |
| Medical Sensor Node | Automotive Body Control Module |
Use Scenario: Portable patient monitor measuring ECG, temperature, and SpO₂ with Bluetooth LE wireless upload. IC Role / Device Role / Timing Role: R7FA4M3AE3CFM#BA0 acquires analog signals via dual ADCs (interleaved 5 Msps), processes data with FPU-assisted filtering, and manages BLE stack via USB or SCI. Use Value: 128 KB ECC SRAM ensures data integrity during critical measurements; battery-backed RTC maintains accurate timestamps across power cycles. | Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting with LIN/CAN interconnect. IC Role / Device Role / Timing Role: R7FA4M3AE3CFM#BA0 executes ASIL-B-compliant diagnostics, drives PWM-controlled motors via GPT32 timers, and validates firmware signatures before boot. Use Value: Dual CAN controllers handle body network (CAN0) and diagnostic (CAN1) traffic simultaneously; 105°C rating supports under-hood mounting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M3AF3CFM#BA0 | 1 MB code flash (vs. 768 KB), identical package/peripherals/temperature grade | Required when firmware image exceeds 768 KB or future-proofing for feature expansion | Select if long-term code growth is anticipated; same pinout and migration path |
| R7FA6M3AF3CFM#BA0 | Arm Cortex-M4F core (120 MHz), FPU, higher SRAM (256 KB), same security features | Needed for intensive DSP tasks (motor control, audio processing) beyond M33 capabilities | Choose when floating-point math or advanced motor algorithms demand M4F performance |
Compared with R7FA4M3AF3CFM#BA0, the R7FA4M3AE3CFM#BA0 trades 256 KB flash capacity for lower cost and power in size-constrained designs; versus R7FA6M3AF3CFM#BA0, it delivers identical security and connectivity at lower computational overhead for deterministic real-time control.
Availability
R7FA4M3AE3CFM#BA0 is available at Aetrix Electronics and suitable for industrial HMI, secure edge gateways, medical sensor nodes, and automotive body control modules requiring stable component supply across extended temperature ranges.
Supply support for R7FA4M3AE3CFM#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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.
The RA4M3 Group targets secure, high-performance general-purpose microcontrollers for industrial automation and human-machine interfaces, emphasizing Arm TrustZone, hardware crypto acceleration, and rich analog/motor control peripherals.
FAQ
What is the maximum operating frequency and core architecture of the R7FA4M3AE3CFM#BA0?
The R7FA4M3AE3CFM#BA0 features an Arm Cortex-M33 core with TrustZone security extension, operating at a maximum frequency of 100 MHz. It implements the Armv8-M architecture with PMSAv8 memory protection, dual SysTick timers (Secure and Non-secure instances), and CoreSight ETM-M33 trace capability-all confirmed in the R01DS0368EJ0150 datasheet Rev.1.50.
Does the R7FA4M3AE3CFM#BA0 support hardware cryptographic acceleration, and which algorithms are implemented?
Yes, the R7FA4M3AE3CFM#BA0 integrates the Secure Crypto Engine 9 (SCE9) supporting AES-128/256, RSA-2048/4096, ECC NIST P-256/P-384, SHA224/256, and GHASH. It also provides a 128-bit unique ID and tamper detection via three dedicated pins-enabling secure boot, key management, and side-channel resistant operation per Renesas documentation.
What package type and pin count does the R7FA4M3AE3CFM#BA0 use, and what are its thermal specifications?
The R7FA4M3AE3CFM#BA0 uses a 64-pin LQFP package (PLQP0064KB-C) measuring 10 mm × 10 mm with 0.5 mm pitch, rated for operation from -40°C to +105°C. This package provides 41 general-purpose I/O pins, 9× 5-V tolerant inputs, and dedicated analog supply pins (AVCC0/AVSS0/VREFH0/VREFL0) as specified in the RA4M3 datasheet.
How much on-chip memory does the R7FA4M3AE3CFM#BA0 include, and what protection mechanisms are available?
The R7FA4M3AE3CFM#BA0 includes 768 KB of code flash memory with background SWAP operation, 8 KB of data flash memory rated for 100,000 program/erase cycles, and 128 KB of SRAM with Error Correction Code (ECC). Memory protection is enforced via TrustZone-configurable regions and an Arm MPU with 8 secure and 8 non-secure regions.
Which communication interfaces are integrated into the R7FA4M3AE3CFM#BA0, and are external transceivers required?
The R7FA4M3AE3CFM#BA0 integrates USB 2.0 Full-Speed with an internal transceiver (no external PHY needed), two CAN 2.0A/B controllers (requiring external transceivers), QSPI, SDHI, six SCI channels, two I2C interfaces, one SPI, and Serial Sound Interface Enhanced (SSIE). All interfaces are fully documented in the R01DS0368EJ0150 datasheet with electrical and timing specifications.
R7FA4M3AE3CFM#BA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RA4M3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit
- Speed:
- 100MHz
- Connectivity:
- CANbus, I2C, QSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- Crypto - AES, DMA, LVD, POR, PWM, RSA, SHA, Temp Sensor, WDT
- Number of I/O:
- 41
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 11x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M3AE3CFM#BA0 FAQ
1.How can I place an order for R7FA4M3AE3CFM#BA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M3AE3CFM#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 R7FA4M3AE3CFM#BA0 reliable?
The price and inventory of R7FA4M3AE3CFM#BA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M3AE3CFM#BA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M3AE3CFM#BA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M3AE3CFM#BA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M3AE3CFM#BA0?
R7FA4M3AE3CFM#BA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M3AE3CFM#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 R7FA4M3AE3CFM#BA0?
For technical support, including R7FA4M3AE3CFM#BA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M3AE3CFM#BA0 requirements.
6.How does Aetrix verify that R7FA4M3AE3CFM#BA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M3AE3CFM#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 R7FA4M3AE3CFM#BA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M3AE3CFM#BA0?
All R7FA4M3AE3CFM#BA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M3AE3CFM#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 R7FA4M3AE3CFM#BA0 part is unused and in its original packaging.
Return procedure for R7FA4M3AE3CFM#BA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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