LH7A400N0E000B3A

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Microcontroller Unit (MCU)
• Characteristics: High-performance, low-power consumption
• Package: Surface Mount Technology (SMT)
• Essence: Advanced microcontroller for various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Architecture: ARM Cortex-M3
• Clock Speed: Up to 80 MHz
• Flash Memory: 512 KB
• RAM: 64 KB
• Operating Voltage: 2.7V - 3.6V
• I/O Pins: 48
• Communication Interfaces: UART, SPI, I2C, USB
• Analog-to-Digital Converter (ADC): 12-bit, 8 channels
• Timers/Counters: 4 x 16-bit, 1 x 32-bit
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LH7A400N0E000B3A has a total of 48 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VDD | Power Supply (3.3V) | | 2 | GND | Ground | | 3 | RESET | Reset Input | | 4 | XTALIN | External Crystal Oscillator Input | | 5 | XTALOUT | External Crystal Oscillator Output | | ... | ... | ... | | 48 | ADC7 | Analog-to-Digital Converter Channel 7 |

Functional Features

• High-performance ARM Cortex-M3 core for efficient processing
• Rich set of communication interfaces for seamless connectivity
• Flexible timers/counters for precise timing operations
• Built-in analog-to-digital converter for accurate sensor data acquisition
• Low-power consumption for energy-efficient applications
• Extensive peripheral support for diverse application requirements

Advantages and Disadvantages

Advantages: - Powerful processing capabilities - Wide range of communication interfaces - Efficient power management - Versatile peripheral support

Disadvantages: - Limited flash memory compared to some other MCUs in the same category - Relatively higher cost compared to entry-level microcontrollers

Working Principles

The LH7A400N0E000B3A operates based on the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory, processes data, and communicates with external devices through various interfaces. The microcontroller's internal peripherals and timers/counters enable it to perform a wide range of tasks efficiently.

Detailed Application Field Plans

The LH7A400N0E000B3A is suitable for various application fields, including but not limited to: 1. Industrial automation systems 2. Consumer electronics 3. Internet of Things (IoT) devices 4. Medical equipment 5. Automotive electronics

Detailed and Complete Alternative Models

1. LH7A404N0E000B3A: Similar to LH7A400N0E000B3A, but with 256 KB flash memory instead of 512 KB.
2. LH7A401N0E000B3A: Similar to LH7A400N0E000B3A, but with 128 KB flash memory instead of 512 KB.
3. LH7A402N0E000B3A: Similar to LH7A400N0E000B3A, but with 256 KB flash memory and 32 KB RAM.
4. LH7A403N0E000B3A: Similar to LH7A400N0E000B3A, but with 128 KB flash memory and 32 KB RAM.

These alternative models provide options with varying memory capacities to suit different application requirements.

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