Overview
The AT91SAM7X256C-AU is a highly integrated Flash microcontroller from Microchip Technology, formerly Atmel. It is part of the AT91SAM7X series and features the 32-bit ARM7TDMI processor, known for its high-performance and low power consumption. This microcontroller is designed to provide a robust and versatile platform for a wide range of applications, including industrial control, medical devices, and consumer electronics.
Key Specifications
| Parameter | Value |
|---|---|
| Processor | ARM7TDMI |
| Flash Memory | 256 Kbytes (1024 pages of 256 bytes) |
| SRAM | 64 Kbytes |
| Maximum Clock Speed | 30 MHz |
| Instruction Set | 16-bit Thumb Instruction Set |
| Power Consumption | Low power modes including Slow Clock Mode and Idle Mode |
| Temperature Range | -40°C to +85°C |
| Package Type | LQFP (100 pins) |
| Write Cycles | 10,000 cycles |
| Data Retention | 10 years |
Key Features
- High-performance ARM7TDMI Processor: Offers high-speed execution and low power consumption.
- Internal High-speed Flash and SRAM: 256 Kbytes of Flash and 64 Kbytes of SRAM with single-cycle access.
- Advanced Interrupt Controller (AIC): Supports individually maskable, eight-level priority, vectored interrupt sources.
- Debug Unit (DBGU): Includes 2-wire UART and support for debug communication channel interrupt.
- Power Management Controller (PMC): Provides power optimization capabilities, including slow clock mode and idle mode.
- EmbeddedICE™ In-circuit Emulation: Supports debug communication channel.
Applications
The AT91SAM7X256C-AU is suitable for a variety of applications due to its versatility and robust feature set. Some common applications include:
- Industrial Control Systems: For controlling and monitoring industrial processes.
- Medical Devices: For medical equipment that requires high reliability and precision.
- Consumer Electronics: For devices such as set-top boxes, GPS systems, and other consumer electronic products.
- Automotive Systems: For various automotive control and monitoring systems.
Q & A
- What is the core processor of the AT91SAM7X256C-AU?
The core processor is the ARM7TDMI. - How much Flash memory does the AT91SAM7X256C-AU have?
The AT91SAM7X256C-AU has 256 Kbytes of Flash memory. - What is the maximum clock speed of the AT91SAM7X256C-AU?
The maximum clock speed is 30 MHz. - What are the power consumption modes of the AT91SAM7X256C-AU?
The device supports low power modes including Slow Clock Mode and Idle Mode. - What is the temperature range of the AT91SAM7X256C-AU?
The temperature range is -40°C to +85°C. - What type of package does the AT91SAM7X256C-AU come in?
The device comes in a 100-pin LQFP package. - How many write cycles can the Flash memory of the AT91SAM7X256C-AU handle?
The Flash memory can handle 10,000 write cycles. - What is the data retention period of the Flash memory?
The data retention period is 10 years. - Does the AT91SAM7X256C-AU support in-circuit emulation?
Yes, it supports EmbeddedICE™ In-circuit Emulation. - What are some common applications of the AT91SAM7X256C-AU?
Common applications include industrial control systems, medical devices, consumer electronics, and automotive systems.
