AT91M55800A - Electronic component Microchip - Free user manual and instructions
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| Product Type | Microcontroller |
| Manufacturer | Microchip Technology (Atmel) |
| Model | AT91M55800A |
| Core Architecture | ARM7TDMI 32-bit RISC |
| Maximum Clock Speed | 40 MHz |
| Flash Memory | 512 KB |
| RAM | 32 KB SRAM |
| Digital I/O Pins | Up to 100 |
| Analog Inputs | 8-channel 10-bit ADC |
| Interface Peripherals | UART, SPI, I2C, CAN, USB |
| Operating Voltage | 3.0V - 3.6V |
| Operating Temperature | -40°C to +85°C |
| Package Type | LQFP 144-pin |
| Dimensions (approx.) | 14 mm x 14 mm x 1.4 mm |
| Weight (approx.) | 2.5 grams |
| Power Consumption (typical) | 150 mW at 40 MHz |
| Primary Function | Embedded control and processing |
| Programming Interface | JTAG, ISP (UART) |
| Documentation | Complete datasheet and user manual (256 pages) |
| Maintenance Note | No regular maintenance required; handle with ESD precautions |
| Safety Precaution | Use proper antistatic equipment during handling |
Frequently Asked Questions - AT91M55800A Microchip
What is the AT91M55800A microcontroller used for?
The AT91M55800A is a 32-bit ARM7TDMI-based microcontroller designed for embedded applications requiring moderate processing power and rich peripherals, such as industrial control, automotive, and consumer electronics.
What is the maximum clock speed of the AT91M55800A?
The maximum clock speed is 40 MHz, providing up to 40 MIPS performance.
What is the operating voltage range?
The operating voltage is 3.0V to 3.6V, typical 3.3V.
How much flash and RAM does it have?
It has 512 KB of flash memory and 32 KB of SRAM.
What communication interfaces are available?
It includes UART, SPI, I2C, CAN, and USB interfaces.
How can I program the AT91M55800A?
Programming can be done via JTAG or in-system programming (ISP) over UART. Microchip provides development tools and IDEs.
What package does the AT91M55800A come in?
It is available in a 144-pin LQFP package.
Is the AT91M55800A suitable for battery-powered devices?
Yes, it has low power consumption (typical 150 mW) and multiple power-saving modes, making it suitable for battery-operated applications.
What is the temperature range for operation?
The industrial temperature range is -40°C to +85°C.
Where can I find the complete documentation?
The complete datasheet and user manual (256 pages) are available for free download from the Microchip website or other online resources.
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USER MANUAL AT91M55800A Microchip
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Product information
Brand : Microchip
Model : AT91M55800A
Category : Electronic component