The AT91SAM7S256D-AU is a low-power microcontroller unit (MCU) manufactured by Microchip Technology. It is part of the AT91SAM7 series, which is designed for a wide range of embedded applications that require low power consumption, high performance, and advanced features.
Description:
The AT91SAM7S256D-AU is a 32-bit ARM9-based MCU with a maximum CPU frequency of 120 MHz. It features 256KB of on-chip SRAM and 256KB of on-chip flash memory. The device is available in a 100-pin TQFP (Thin Quad Flat Package) package.
Features:
- ARM926EJ-S processor core with a maximum CPU frequency of 120 MHz
- 256KB on-chip SRAM and 256KB on-chip flash memory
- Advanced peripherals, including USB host and device interfaces, Ethernet MAC with 10/100 support, and an LCD controller
- External bus interface for connecting to external memory and peripherals
- Advanced interrupt controller and priority encoder
- Power management features, including sleep and power-saving modes
- Security features, including a unique 128-bit key for secure boot and secure download
- Real-time clock (RTC) and watchdog timer (WDT)
- JTAG and debug interface for easy debugging and testing
- Operating temperature range of -40°C to +85°C
Applications:
The AT91SAM7S256D-AU is suitable for a wide range of embedded applications, including:
- Industrial control systems
- Medical devices
- Home automation and smart home applications
- Portable devices, such as wearables and handheld gadgets
- Consumer electronics, such as set-top boxes and audio/video equipment
- Networking devices, such as routers and switches
- Automotive applications, such as infotainment systems and body control modules
- IoT devices and gateways
- Security systems, such as access control and surveillance cameras
- Data acquisition and signal processing systems
The AT91SAM7S256D-AU's combination of low power consumption, high performance, and advanced features make it an ideal choice for embedded applications that require efficient processing, connectivity, and security.