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Renesas R7FA4M3AD3CFB#AA0
- Part No.:
- R7FA4M3AD3CFB#AA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R7FA4M3AD3CFB#AA0.pdf
- Description:
- IC MCU 32BIT 384KB FLSH 144LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:9,433
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Product details
Overview
R7FA4M3AD3CFB#AA0 from Renesas is a 100 MHz Arm Cortex-M33 microcontroller with 512 KB code flash, 8 KB data flash, and 128 KB SRAM (with ECC), designed for secure industrial HMI, motor control, and USB-connected edge nodes requiring TrustZone-based isolation and tamper-resistant crypto acceleration.
For engineers reviewing the R7FA4M3AD3CFB#AA0 datasheet, R7FA4M3AD3CFB#AA0 pinout, R7FA4M3AD3CFB#AA0 application, or R7FA4M3AD3CFB#AA0 equivalent, key selection criteria include its 144-pin LQFP package, dual CAN 2.0B interfaces, integrated CTSU for touch panels, USB 2.0 Full-Speed device/host capability, and Secure Crypto Engine supporting AES/RSA/ECC/SHA256.
Technical Context
The R7FA4M3AD3CFB#AA0 implements Armv8-M with TrustZone, enabling hardware-enforced secure/non-secure worlds. Its memory subsystem includes parity/ECC-protected SRAM, background flash programming, and SWAP operation for zero-downtime firmware updates.
Peripherals are orchestrated via Event Link Controller (ELC) for CPU-free inter-module triggering, and security is enforced at the peripheral level - each CAN, USBFS, or QSPI instance can be individually assigned secure or non-secure attribution per TrustZone configuration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ 100 MHz with TrustZone and MPU (8 secure + 8 non-secure regions) |
| Memory | 512 KB code flash (background/SWAP capable), 8 KB data flash (100k P/E cycles), 128 KB SRAM with ECC |
| Operating Voltage | 2.7–3.6 V supply; supports battery backup (VBATT) for RTC and SOSC |
| Temperature Range | -40°C to +105°C industrial grade |
| Package | 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), 109 GPIOs, 21 pins 5-V tolerant |
| Security | Secure Crypto Engine (SCE9) with AES-128/256, RSA-2048/4096, ECC-P256/P384, SHA256, 128-bit UID, tamper detection |
| Analog | Dual 12-bit ADC12 (5 Msps interleaved), dual 12-bit DAC12, on-die temperature sensor (TSN) |
Pinout & Package
144-pin LQFP (PLQP0144KA-B), 20 mm × 20 mm, 0.5 mm pitch, exposed pad not specified. Pin functions validated per Renesas R01DS0368EJ0150 Rev.1.50 Section 1.5–1.6.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power / Ground | Dedicated analog (AVCC0/AVSS0) and digital power domains; decoupling required per pin |
| XTAL / EXTAL | Main Clock Input | Supports 8–24 MHz crystal; enables precise timing for USBFS and SDHI |
| USB_DP / USB_DM | USB 2.0 FS Transceiver | Integrated PHY; no external transceiver needed for device/host operation |
| CRX0/CTX0, CRX1/CTX1 | CAN Bus Interface | Dual ISO 11898-1 compliant CAN 2.0A/B controllers; require external transceivers |
| QSPCLK / QIO0–QIO3 | Quad SPI Master | Direct interface to serial flash/FeRAM; supports XIP and high-speed read |
| TS0–TS19 | Capacitive Touch Sensing | CTSU-driven electrode inputs; supports up to 20 self-capacitance or mutual-capacitance channels |
Key Features
| Feature | Design Value |
|---|---|
| TrustZone-enforced memory partitioning | Up to three secure regions in code flash, two in data flash, three in SRAM - isolates firmware, keys, and critical tasks |
| Background flash programming | Enables firmware update while executing from alternate bank - no system halt or reset required |
| Event Link Controller (ELC) | Hardware routing of 128+ peripheral events (e.g., ADC EOC → GPT start) without CPU intervention or ISR latency |
| Dual CAN with 32 mailboxes | FIFO and normal mailbox modes support mixed standard/extended frames; ideal for automotive diagnostics and industrial fieldbus bridging |
| USBFS with 10-pipe architecture | Configurable endpoints (bulk/interrupt/control/isochronous); internal 1.2 kB buffer eliminates external FIFO need |
Applications
| Industrial HMI Panel | Smart Motor Drive Controller |
|---|---|
Use Scenario: 7-inch capacitive touchscreen HMI for PLC-controlled packaging line with real-time status display and parameter entry. IC Role / Device Role / Timing Role: Primary application MCU handling touch sensing (CTSU), GUI rendering (via external LCD controller), USB-CDC debug interface, and CANopen master communication. Use Value: Integrated CTSU eliminates external touch controller; TrustZone secures HMI firmware updates; USBFS enables field technician reprogramming without JTAG. | Use Scenario: Closed-loop BLDC motor controller for HVAC fan with Hall sensor feedback, thermal monitoring, and remote diagnostics. IC Role / Device Role / Timing Role: Real-time motion controller running FOC algorithm, sampling ADC12 at 5 Msps, generating 3-phase PWM via GPT32, and reporting faults over CAN bus. Use Value: Dual ADC12 units enable simultaneous current/voltage sampling; GPT32's complementary PWM outputs with dead-time insertion prevent shoot-through; AGT timers handle low-power wake-on-event. |
| Secure USB Peripheral Gateway | SD Card-Based Data Logger |
Use Scenario: Tamper-evident USB-to-Modbus gateway for energy metering, logging encrypted consumption data to local flash before upload. IC Role / Device Role / Timing Role: Secure bridge between USB host (PC/cloud) and RS-485 Modbus RTU network; SCE9 performs AES-GCM encryption of all logged records. Use Value: Hardware crypto engine offloads encryption from Cortex-M33 core; TrustZone isolates key storage from application firmware; USBFS supports CDC ACM class for plug-and-play driverless operation. | Use Scenario: Environmental sensor node recording temperature, humidity, and vibration data to SDHC card at 1 Hz for 30-day retention. IC Role / Device Role / Timing Role: Host controller managing SDHI interface, scheduling DMA transfers from ADC12/TSN, and maintaining FAT32 filesystem with wear leveling. Use Value: SDHI supports 4-bit high-speed mode (up to 25 MB/s); 128 KB ECC SRAM buffers writes during card write latency; RTC with VBATT maintains accurate timestamps across power loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Arm Cortex-M33 microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M3AF3CFB#AA0 | 1 MB code flash (vs. 512 KB), same package/peripherals/security | Suitable for larger firmware images (e.g., embedded Linux RTOS, OTA update partitions) | Select when >512 KB application code or dual-bank firmware update space is required |
| R7FA6M2AF3CFB#AA0 | Arm Cortex-M4F core (120 MHz), FPU, no TrustZone, 1 MB flash, same pinout | Better floating-point math performance; lacks hardware security isolation | Choose for DSP-intensive tasks (FFT, filtering) where TrustZone is not mandated |
Compared with R7FA4M3AD3CFB#AA0, the R7FA4M3AF3CFB#AA0 provides double flash capacity without changing layout or firmware architecture, while the R7FA6M2AF3CFB#AA0 trades TrustZone for FPU and higher clock speed - making it suitable for signal processing but unsuitable for certified secure boot or credential storage.
Availability
R7FA4M3AD3CFB#AA0 is available at Aetrix Electronics and suitable for industrial HMI, motor control, secure USB gateways, and SD-based data loggers requiring stable component supply across extended temperature and long product lifecycles.
Supply support for R7FA4M3AD3CFB#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power solutions for industrial, automotive, and enterprise markets.
The RA4M3 Group targets secure, high-integration industrial edge devices - emphasizing TrustZone-based security, rich analog/motor control peripherals, and USB/SD/QSPI connectivity for human-machine interface and gateway applications.
FAQ
What is the maximum operating frequency of the R7FA4M3AD3CFB#AA0?
The R7FA4M3AD3CFB#AA0 operates at a maximum frequency of 100 MHz using its Arm Cortex-M33 core. This frequency is achievable with the main clock oscillator (MOSC), PLL, or high-speed on-chip oscillator (HOCO). The device supports dynamic clock switching and low-power modes that scale frequency down to conserve energy without compromising real-time responsiveness in applications like motor control or USB communication.
Does the R7FA4M3AD3CFB#AA0 support USB device and host functionality?
Yes, the R7FA4M3AD3CFB#AA0 integrates a USB 2.0 Full-Speed module (USBFS) that supports both device and host roles. It complies with Universal Serial Bus Specification 2.0, includes an internal transceiver, and provides up to 10 configurable pipes. As a device, it supports CDC, HID, and MSC classes; as a host, it supports low-speed and full-speed peripherals. No external PHY is required, simplifying board design for USB-connected industrial gateways or diagnostic tools.
How does the Secure Crypto Engine (SCE9) in the R7FA4M3AD3CFB#AA0 enhance security?
The Secure Crypto Engine (SCE9) in the R7FA4M3AD3CFB#AA0 accelerates AES-128/256, RSA-2048/4096, ECC-P256/P384, and SHA256 operations in hardware, reducing software overhead and side-channel attack surface. It includes tamper detection pins, power analysis resistance, and secure key storage backed by TrustZone isolation. This enables secure boot, encrypted firmware updates, and authenticated communication - essential for R7FA4M3AD3CFB#AA0 deployments in certified industrial or medical edge devices.
Can the R7FA4M3AD3CFB#AA0 drive a capacitive touch panel directly?
Yes, the R7FA4M3AD3CFB#AA0 includes a dedicated Capacitive Touch Sensing Unit (CTSU) supporting up to 20 touch channels. It drives electrodes directly via TSn pins, performs noise-immune delta-sigma conversion, and delivers touch status via registers or interrupts. No external touch controller IC is needed - the CTSU integrates auto-calibration, baseline tracking, and proximity detection, making it ideal for R7FA4M3AD3CFB#AA0-based HMI panels in harsh industrial environments.
What are the supported operating temperature ranges for the R7FA4M3AD3CFB#AA0?
The R7FA4M3AD3CFB#AA0 is rated for industrial operation from -40°C to +105°C ambient temperature. This rating applies specifically to the 144-pin LQFP package (PLQP0144KA-B) and is validated per JEDEC standards. The device includes on-die temperature sensing (TSN) and low-voltage detection (LVD) circuitry to maintain reliable operation across this range - critical for R7FA4M3AD3CFB#AA0 use in motor drives, outdoor gateways, and factory automation equipment.
R7FA4M3AD3CFB#AA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RA4M3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit Single-Core
- Speed:
- 100MHz
- Connectivity:
- CANbus, I2C, QSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- Capacitive Touch, Crypto - AES, DMA, LVD, POR, PWM, RSA, SHA, Temp Sensor, WDT
- Number of I/O:
- 110
- Program Memory Size:
- 384KB (384K 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 22x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M3AD3CFB#AA0 FAQ
1.How can I place an order for R7FA4M3AD3CFB#AA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M3AD3CFB#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 R7FA4M3AD3CFB#AA0 reliable?
The price and inventory of R7FA4M3AD3CFB#AA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M3AD3CFB#AA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M3AD3CFB#AA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M3AD3CFB#AA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M3AD3CFB#AA0?
R7FA4M3AD3CFB#AA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M3AD3CFB#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 R7FA4M3AD3CFB#AA0?
For technical support, including R7FA4M3AD3CFB#AA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M3AD3CFB#AA0 requirements.
6.How does Aetrix verify that R7FA4M3AD3CFB#AA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M3AD3CFB#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 R7FA4M3AD3CFB#AA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M3AD3CFB#AA0?
All R7FA4M3AD3CFB#AA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M3AD3CFB#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 R7FA4M3AD3CFB#AA0 part is unused and in its original packaging.
Return procedure for R7FA4M3AD3CFB#AA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7FA4M3AD3CFB#AA0 Tags
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