AT91M40400-25AI

Product Overview

Category

AT91M40400-25AI belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and systems for controlling and processing data.

Characteristics

• High-performance 32-bit RISC architecture
• Clock frequency of 25 MHz
• Low power consumption
• Integrated peripherals for enhanced functionality
• Wide operating voltage range
• Small form factor

Package

AT91M40400-25AI is available in a compact package, suitable for surface mount technology (SMT) assembly.

Essence

The essence of AT91M40400-25AI lies in its ability to provide efficient control and processing capabilities in a small and low-power package.

Packaging/Quantity

AT91M40400-25AI is typically packaged in reels or trays, with a quantity of 1000 units per reel/tray.

Specifications

• Architecture: ARM7TDMI
• Clock Frequency: 25 MHz
• Operating Voltage Range: 2.7V - 3.6V
• Flash Memory: 256 KB
• RAM: 16 KB
• I/O Pins: 32
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Timers/Counters: 4
• PWM Channels: 4
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of AT91M40400-25AI is as follows:

1. VDD
2. VDDCORE
3. GND
4. PA0
5. PA1
6. PA2
7. PA3
8. PA4
9. PA5
10. PA6
11. PA7
12. PB0
13. PB1
14. PB2
15. PB3
16. PB4
17. PB5
18. PB6
19. PB7
20. PC0
21. PC1
22. PC2
23. PC3
24. PC4
25. PC5
26. PC6
27. PC7
28. RESET
29. VDDPLL
30. GNDPLL
31. XTAL1
32. XTAL2

Functional Features

• High-performance processing capabilities
• Integrated peripherals for enhanced functionality
• Low power consumption for energy-efficient operation
• Wide operating voltage range for flexibility in various applications
• Compact form factor for space-constrained designs
• Support for multiple communication interfaces for seamless connectivity

Advantages and Disadvantages

Advantages

• High-performance architecture enables efficient data processing
• Integrated peripherals reduce the need for external components
• Low power consumption prolongs battery life in portable devices
• Wide operating voltage range allows for versatile application scenarios
• Compact form factor facilitates miniaturization of electronic systems

Disadvantages

• Limited memory capacity compared to some other microcontrollers
• Relatively lower clock frequency may restrict performance in certain applications
• Lack of advanced features found in more specialized microcontrollers

Working Principles

AT91M40400-25AI operates based on the ARM7TDMI architecture, which utilizes a 32-bit RISC (Reduced Instruction Set Computing) design. It executes instructions at a clock frequency of 25 MHz and performs various tasks by interacting with its integrated peripherals and memory.

The microcontroller receives input from external sensors or devices through its I/O pins and processes the data using its internal processing unit. It can communicate with other devices using UART, SPI, or I2C interfaces. The integrated ADC allows for analog signal conversion, while timers/counters and PWM channels enable precise timing and control.

Detailed Application Field Plans

AT91M40400-25AI finds applications in various fields, including but not limited to:

1. Industrial Automation: Control systems, monitoring devices, and data acquisition units.
2. Consumer Electronics: Smart home devices, wearable technology, and multimedia systems.
3. Automotive: Engine management systems, dashboard controls, and infotainment systems.
4. Medical Devices: Patient monitoring equipment, diagnostic tools, and portable medical devices.
5. Internet of Things (IoT): Connected devices, sensor networks, and edge computing devices.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT91M40400-25AI are:

1. STM32F407VG - ARM Cortex-M4 microcontroller with higher clock frequency and more memory.
2. PIC32MX795F512L - 32-bit microcontroller with similar peripherals and larger memory capacity.
3. LPC1768 - ARM Cortex-M3 microcontroller with comparable features and performance.

These alternative models provide options for developers based on their specific