The AT91SAM7S256D-AU-999 is a low-power microcontroller unit (MCU) manufactured by Microchip Technology. It is part of the AT91SAM7 series of ARM-based microcontrollers that are designed for a wide range of embedded applications.
Description:
The AT91SAM7S256D-AU-999 is a 32-bit ARM7TDMI-based microcontroller with 256KB of on-chip flash memory and 64KB of SRAM. It operates at a maximum frequency of 48MHz and features a 3.3V I/O interface. The device is available in a 100-pin TQFP package.
Features:
- ARM7TDMI processor core with a maximum clock frequency of 48MHz.
- 256KB of on-chip flash memory and 64KB of SRAM.
- Advanced peripherals, including USB host and device interfaces, Ethernet, and USARTs.
- 48 general-purpose I/O pins with support for various functions, such as PWM, ADC, and external interrupts.
- DMA controller for efficient data transfer between peripherals and memory.
- Power management features, including a PMU (Power Management Unit) and low-power sleep modes.
- Security features, such as a JTAG (Joint Test Action Group) interface and a watchdog timer.
- Operating temperature range of -40°C to +85°C, making it suitable for industrial applications.
Applications:
The AT91SAM7S256D-AU-999 is suitable for a wide range of embedded applications, including:
- Industrial control systems, such as motor control, temperature monitoring, and process control.
- Medical devices, such as portable monitoring equipment and diagnostic tools.
- Consumer electronics, including home automation systems and smart appliances.
- Communication devices, such as routers, modems, and IoT gateways.
- Automotive applications, such as infotainment systems and body control modules.
- Security systems, including access control and surveillance equipment.
The AT91SAM7S256D-AU-999's combination of low power consumption, advanced peripherals, and a wide operating temperature range make it a versatile choice for various embedded applications.