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Renesas R7FA4M3AE3CFP#HA0
- Part No.:
- R7FA4M3AE3CFP#HA0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R7FA4M3AE3CFP#HA0.pdf
- Description:
- MCU RA4 ARM CM33 100MHZ 768K/128
- Quantity:
- Payment:
- Shipping:
Inventory:2,991
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Product details
Overview
R7FA4M3AE3CFP#HA0 from Renesas is a 100 MHz Arm Cortex-M33 microcontroller with 768 KB code flash, 8 KB data flash, and 128 KB SRAM (ECC), integrated USB 2.0 Full-Speed, SDHI, QSPI, dual CAN, and Secure Crypto Engine for secure industrial HMI and edge-node applications.
For engineers reviewing the R7FA4M3AE3CFP#HA0 datasheet, R7FA4M3AE3CFP#HA0 pinout, R7FA4M3AE3CFP#HA0 application, or R7FA4M3AE3CFP#HA0 equivalent, key selection criteria include operating temperature range (−40°C to +105°C), 100-pin LQFP package with 75 I/O pins, TrustZone-enabled security partitioning, and dual 12-bit ADC units supporting up to 19 analog inputs.
Technical Context
The R7FA4M3AE3CFP#HA0 implements Armv8-M with TrustZone, enabling hardware-isolated secure/non-secure execution environments. It supports up to three secure regions in code flash and two in data flash, with dedicated secure/non-secure SysTick timers and MPUs (8 regions each).
Its peripheral integration includes dual CAN 2.0B controllers requiring external transceivers, USBFS with internal transceiver and 10-pipe support, and QSPI controller for serial NOR/EEPROM interfacing. The CTSU provides 20-channel capacitive touch sensing without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ 100 MHz max - enables real-time deterministic control with TrustZone isolation |
| Memory | 768 KB code flash + 8 KB data flash + 128 KB SRAM with ECC - supports background programming and SWAP operations for robust firmware updates |
| Operating Temp | −40°C to +105°C - qualified for industrial and automotive under-hood environments |
| Package | 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) - provides 75 GPIOs, 14 5-V-tolerant pins, and N-ch open-drain outputs |
| Security | Secure Crypto Engine (AES/RSA/ECC/SHA256) + Arm TrustZone - delivers hardware-accelerated cryptography and tamper-resistant key management |
| Analog | Dual 12-bit ADC (5 Msps interleaved) + dual 12-bit DAC + on-die temperature sensor - enables high-fidelity sensor acquisition and closed-loop analog control |
| Connectivity | USB 2.0 FS (host/device), SDHI (4-bit), QSPI, 2× CAN, 6× SCI, 2× I²C, SPI, SSIE - supports mixed wired/wireless edge gateway architectures |
Pinout & Package
Package: 100-pin LQFP (PLQP0100KB-B), 14 mm × 14 mm, 0.5 mm pitch, −40°C to +105°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Core logic power (2.7–3.6 V); decoupling required per datasheet layout guidelines |
| XTAL / EXTAL | Main clock oscillator interface | Supports 8–24 MHz crystal; enables precise timing for USB and CAN synchronization |
| USB_DP / USB_DM | USB 2.0 Full-Speed differential pair | Integrated transceiver eliminates need for external PHY; requires 27 Ω series resistors and 1.5 kΩ pull-up on DP |
| CRX0 / CTX0, CRX1 / CTX1 | CAN bus interfaces | Require external CAN transceivers (e.g., TJA1042); support ISO 11898-1 standard messaging |
| QSPCLK / QSSL / QIO0–QIO3 | Quad SPI bus signals | Direct interface to serial NOR flash (e.g., Winbond W25Q80) for XIP or firmware storage |
| SD0CLK / SD0CMD / SD0DAT0–3 | SD/MMC 4-bit host interface | Supports SDHC/SDXC cards up to UHS-I speeds; requires level-shifting for 3.3 V compatibility |
| AN000–AN011, AN100–AN109 | Analog input channels | 19 total ADC inputs across two units; shared pins (e.g., AN000/AN100) enable flexible signal routing |
| TS0–TS19 | Capacitive touch sense inputs | CTSU-driven electrode scanning; supports proximity, slider, and button detection without external ICs |
Key Features
| Feature | Design Value |
|---|---|
| Arm TrustZone partitioning | Hardware-enforced isolation of secure/non-secure code and data regions in flash, SRAM, and peripherals |
| Background flash programming | Enables firmware update while executing from alternate bank - critical for zero-downtime field upgrades |
| Event Link Controller (ELC) | Direct peripheral-to-peripheral triggering without CPU intervention - reduces latency and CPU load in motor control |
| Secure Crypto Engine (SCE9) | Accelerates AES-128/256, RSA-2048, ECC-P256, SHA256 - offloads encryption from Cortex-M33 core |
| Low-power AGT timers | Six 16-bit asynchronous timers powered from LOCO - sustain wake-up events during deep software standby mode |
Applications
| Industrial HMI Panel | Secure Edge Gateway |
|---|---|
Use Scenario: Touch-enabled factory operator interface with real-time diagnostics and firmware OTA capability. IC Role / Device Role / Timing Role: Main application processor managing CTSU touch sensing, USB/SDHI for local data logging, and CAN for PLC communication. Use Value: Integrated 20-channel CTSU eliminates external touch controller; TrustZone isolates UI firmware from secure boot and crypto keys. | Use Scenario: Protocol-bridging device aggregating Modbus RTU (via SCI), CAN bus, and Ethernet (via external PHY) for cloud telemetry. IC Role / Device Role / Timing Role: Central protocol translator with SCE9 encrypting sensor payloads before TLS transmission via external Wi-Fi module. Use Value: Dual CAN + 6× SCI + QSPI enables concurrent legacy fieldbus support and secure firmware storage - no external FPGA or companion MCU needed. |
| Smart Energy Meter | BLDC Motor Control Node |
Use Scenario: DIN-rail mounted meter with tamper detection, RTC calendar, and secure SEPP-compliant firmware signing. IC Role / Device Role / Timing Role: Trusted execution environment hosting metrology firmware, tamper monitoring (3 dedicated pins), and battery-backed RTC. Use Value: Hardware tamper pins + SCE9 key vault + VBATT-powered RTC ensure regulatory compliance for revenue-grade metering. | Use Scenario: Compact inverter driving HVAC fan with field-oriented control, current sensing, and thermal protection. IC Role / Device Role / Timing Role: Real-time motor controller using GPT32 PWM outputs, ADC12 for shunt current sampling, and AGT for thermal event timing. Use Value: Six GPT channels deliver 3-phase complementary PWM with dead-time insertion; 5 Msps ADC interleaving captures fast current transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7FA4M3AF3CFP#HA0 | 1 MB code flash (vs. 768 KB), same package/peripherals/security | Required when full bootloader + application + OTA image must reside in on-chip flash | Select for designs needing >768 KB firmware space without external memory |
| R7FA6M5BH3CFP#AA0 | Arm Cortex-M33 @ 200 MHz, 2 MB flash, 512 KB SRAM, no CTSU, added Ethernet MAC | Targeted at higher-performance gateway applications requiring TCP/IP stack and larger buffer memory | Choose when network throughput or computational headroom exceeds R7FA4M3AE3CFP#HA0 capacity |
Compared with R7FA4M3AF3CFP#HA0, the R7FA4M3AE3CFP#HA0 trades 232 KB flash for identical security, analog, and connectivity features - ideal for cost-optimized industrial nodes. Against R7FA6M5BH3CFP#AA0, it offers lower power, smaller footprint, and integrated touch sensing at reduced compute throughput.
Availability
R7FA4M3AE3CFP#HA0 is available at Aetrix Electronics and suitable for industrial HMI panels, secure edge gateways, smart energy meters, BLDC motor drives, and tamper-resistant IoT endpoints requiring stable component supply across extended temperature ranges.
Supply support for R7FA4M3AE3CFP#HA0 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 microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.
The RA4M3 group targets secure, high-integration industrial and IoT edge devices - combining Arm TrustZone, SCE9, and rich analog/peripheral sets to replace discrete security + MCU + interface combinations.
FAQ
What is the maximum operating frequency of the R7FA4M3AE3CFP#HA0?
The R7FA4M3AE3CFP#HA0 operates at a maximum frequency of 100 MHz using its Arm Cortex-M33 core. This speed is achievable with the main clock oscillator (8–24 MHz) and PLL configuration. The device maintains full peripheral functionality-including USB 2.0 Full-Speed and CAN-at this frequency, and timing margins are validated across the −40°C to +105°C temperature range specified for the R7FA4M3AE3CFP#HA0.
Does the R7FA4M3AE3CFP#HA0 include an integrated USB transceiver?
Yes, the R7FA4M3AE3CFP#HA0 integrates a full-speed USB 2.0 transceiver compliant with Universal Serial Bus Specification 2.0. It supports both host and device modes, provides up to 10 configurable pipes, and includes internal termination and voltage regulation. No external PHY is required, though proper PCB layout - including 27 Ω series resistors on USB_DP/USB_DM and a 1.5 kΩ pull-up on DP - is mandatory for reliable R7FA4M3AE3CFP#HA0 USB operation.
How many analog input channels does the R7FA4M3AE3CFP#HA0 support?
The R7FA4M3AE3CFP#HA0 supports up to 19 analog input channels via two independent 12-bit ADC units (ADC12). Unit 0 provides up to 12 channels, Unit 1 up to 10, with three shared pins (AN000/AN100, AN001/AN101, AN002/AN102). Both units support interleaved sampling at 5 Msps and include selectable internal references (VREFH/VREFL) and temperature sensor input - all confirmed in the R7FA4M3AE3CFP#HA0 datasheet Rev.1.50.
What security features are implemented in the R7FA4M3AE3CFP#HA0?
The R7FA4M3AE3CFP#HA0 integrates Arm TrustZone for hardware-based secure/non-secure world separation, a Secure Crypto Engine (SCE9) supporting AES/RSA/ECC/SHA256, tamper detection on up to three dedicated pins, and lifecycle management. It also provides secure boot, key management with protected storage, and resistance against power analysis attacks - all documented in the R7FA4M3AE3CFP#HA0 security chapter and verified in Renesas' Common Criteria certification reports.
Is the R7FA4M3AE3CFP#HA0 pin-compatible with other RA4M3 variants?
Yes, the R7FA4M3AE3CFP#HA0 is pin-compatible with other RA4M3 devices in the same 100-pin LQFP package (e.g., R7FA4M3AF3CFP#HA0, R7FA4M3AD3CFP#HA0). All share identical pin assignments, electrical characteristics, and peripheral mappings per the RA4M3 family datasheet. Firmware portability is further ensured by identical memory maps and register layouts - enabling scalable design across flash density options without PCB redesign for the R7FA4M3AE3CFP#HA0.
R7FA4M3AE3CFP#HA0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-LQFP
- Series:
- RA4M3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit
- Speed:
- 100MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, MMC/SD, QSPI, SCI, SPI, SSI, UART/USART, USB
- Peripherals:
- Crypto - AES, DMA, LVD, POR, PWM, RSA, SHA, Temp Sensor, WDT
- Number of I/O:
- 75
- 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 20x12b SAR; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7FA4M3AE3CFP#HA0 FAQ
1.How can I place an order for R7FA4M3AE3CFP#HA0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7FA4M3AE3CFP#HA0 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 R7FA4M3AE3CFP#HA0 reliable?
The price and inventory of R7FA4M3AE3CFP#HA0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7FA4M3AE3CFP#HA0 is usually 5 days.
3.What payment methods are accepted for R7FA4M3AE3CFP#HA0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7FA4M3AE3CFP#HA0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7FA4M3AE3CFP#HA0?
R7FA4M3AE3CFP#HA0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7FA4M3AE3CFP#HA0 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 R7FA4M3AE3CFP#HA0?
For technical support, including R7FA4M3AE3CFP#HA0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7FA4M3AE3CFP#HA0 requirements.
6.How does Aetrix verify that R7FA4M3AE3CFP#HA0 is sourced from the original manufacturer or authorized distributors?
All R7FA4M3AE3CFP#HA0 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 R7FA4M3AE3CFP#HA0 meets industry standards.
7.What is the process for return or replacement of R7FA4M3AE3CFP#HA0?
All R7FA4M3AE3CFP#HA0 units undergo pre-shipment inspection (PSI). If there is an issue with R7FA4M3AE3CFP#HA0, 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 R7FA4M3AE3CFP#HA0 part is unused and in its original packaging.
Return procedure for R7FA4M3AE3CFP#HA0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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