Overview
The AT91SAM7S256D-AU is a 32-bit ARM-based microcontroller produced by Microchip Technology, formerly part of Atmel Corporation. This microcontroller is based on the ARM7TDMI processor core and is designed for a wide range of applications requiring high performance, low power consumption, and extensive peripheral support. It features a robust set of on-chip peripherals and memory, making it suitable for various embedded systems.
Key Specifications
| Parameter | Value |
|---|---|
| Processor Core | ARM7TDMI |
| Operating Voltage | 3.0V to 3.6V |
| Package Type | LQFP64, VQFN64 |
| Flash Memory | 256 KB |
| SRAM | 64 KB |
| EEPROM | 256 bytes |
| Peripheral Interfaces | USB, UART, SPI, TWI, ADC, DAC, etc. |
| Operating Temperature | -40°C to 85°C |
Key Features
- High-performance ARM7TDMI processor core
- 256 KB of Flash memory and 64 KB of SRAM
- 256 bytes of EEPROM
- USB 2.0 Full Speed Device and Host
- Multiple UARTs, SPI, and TWI interfaces
- 10-bit ADC and 10-bit DAC
- Advanced power management with low power modes
Applications
The AT91SAM7S256D-AU microcontroller is versatile and can be used in a variety of applications, including:
- Industrial control systems
- Medical devices
- Consumer electronics
- Automotive systems
- Communication devices
- Embedded systems requiring high performance and low power consumption
Q & A
- What is the processor core of the AT91SAM7S256D-AU?
The processor core is the ARM7TDMI. - What are the available package types for this microcontroller?
The available package types are LQFP64 and VQFN64. - How much Flash memory does the AT91SAM7S256D-AU have?
The microcontroller has 256 KB of Flash memory. - What are the operating voltage ranges for this microcontroller?
The operating voltage ranges from 3.0V to 3.6V. - Does the AT91SAM7S256D-AU support USB?
Yes, it supports USB 2.0 Full Speed Device and Host. - What are the temperature ranges for the AT91SAM7S256D-AU?
The operating temperature range is from -40°C to 85°C. - What types of interfaces does the AT91SAM7S256D-AU support?
It supports UART, SPI, TWI, ADC, DAC, and more. - Is the AT91SAM7S256D-AU suitable for low power applications?
Yes, it has advanced power management with low power modes. - Where can I find detailed specifications for the AT91SAM7S256D-AU?
Detailed specifications can be found in the datasheet available on Microchip Technology's official website or other authorized distributors. - What is the SRAM capacity of the AT91SAM7S256D-AU?
The SRAM capacity is 64 KB.
