R7FA6M3AH3CFC#AA0 RA6M3 Arm Cortex-M4 32-bit MCU 2MB Flash 120MHz Microcontroller LFQFP-176

R7FA6M3AH3CFC#AA0 Product Overview

The R7FA6M3AH3CFC#AA0 is a high-performance 32-bit microcontroller from Renesas RA6M3 series, built on the ARM Cortex-M4F core with integrated Floating Point Unit (FPU) and operating at up to 120MHz. Housed in an LFQFP-176 (24×24mm, 0.5mm pitch) package, it operates from 2.7V to 3.6V with an industrial temperature range of -40℃ to +105℃. The device integrates 2MB Code Flash, 640KB SRAM, and 64KB Data Flash (for EEPROM-like data storage), along with a graphics LCD controller (with 2D drawing engine and JPEG decoder), capacitive touch sensing unit, Ethernet MAC controller (with dedicated DMA), USB 2.0 High-Speed and Full-Speed interfaces, and comprehensive security features. With large memory, powerful graphics processing capability, and comprehensive connectivity, the R7FA6M3AH3CFC#AA0 provides a high-performance embedded solution for industrial automation, IoT gateways, HMI, and smart home appliances.

R7FA6M3AH3CFC#AA0 Applications

Industrial HMI panels and touchscreen control interfaces

Embedded graphics terminals and mid-size TFT display applications

Industrial equipment (robotics, door openers, sewing machines, vending machines, UPS)

Security systems (fire detection, burglar detection, panel control)

Industrial gateway devices requiring high-speed USB and wired Ethernet

Multi-protocol industrial controllers requiring graphics display and security encryption

FAQ

Q: What graphics acceleration features are integrated?
A: The device integrates a Graphics LCD Controller (parallel RGB interface for TFT displays), 2D Drawing Engine, and JPEG Decoder, enabling direct TFT drive with hardware-accelerated graphics rendering and image decoding without an external graphics controller, reducing BOM cost and PCB area.

Q: What high-speed communication interfaces are supported?
A: Ethernet MAC (IEEE 1588 PTP), USB 2.0 High-Speed (Host/Device) and Full-Speed, CAN bus, SDHI, Quad SPI, plus I²C, SPI, UART/USART, IrDA, MMC/SD, and SCI interfaces for multi-protocol industrial automation connectivity.

Q: Is it suitable for HMI applications?
A: Yes. The integrated Graphics LCD Controller, 2D Drawing Engine, JPEG Decoder, and Capacitive Touch Sensing Unit (CTSU) provide a complete hardware solution for mid-size TFT display graphics interface development and capacitive touch interaction.

Q: What security features are available?
A: The Renesas Secure Crypto Engine (SCE7) supports symmetric and asymmetric crypto accelerators with key management, enabling secure boot, firmware encryption, and secure communication for IIoT device security compliance.

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