CH376-80032

Product Overview

Category: Integrated Circuit (IC)

Use: The CH376-80032 is a versatile USB host controller IC that provides an interface between USB devices and microcontrollers or other host systems. It allows for easy integration of USB functionality into various electronic devices.

Characteristics: - Compact size - Low power consumption - High-speed USB 2.0 interface - Supports multiple USB device classes - Built-in file system support - Flexible control options

Package: The CH376-80032 is available in a small form factor package, making it suitable for space-constrained applications.

Essence: This IC serves as a bridge between USB devices and host systems, enabling seamless communication and data transfer.

Packaging/Quantity: The CH376-80032 is typically sold in reels or trays, with quantities varying based on customer requirements.

Specifications

• USB Interface: USB 2.0
• Supported USB Device Classes: Mass Storage, Human Interface Device (HID), Printer, Communication Device Class (CDC), Audio, etc.
• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Data Transfer Rate: Up to 480 Mbps (USB 2.0 High-Speed)
• File System Support: FAT12, FAT16, FAT32

Pin Configuration

The CH376-80032 features a total of 28 pins, each serving a specific function. The detailed pin configuration is as follows:

1. VCC
2. GND
3. P0.0
4. P0.1
5. P0.2
6. P0.3
7. P0.4
8. P0.5
9. P0.6
10. P0.7
11. P1.0
12. P1.1
13. P1.2
14. P1.3
15. P1.4
16. P1.5
17. P1.6
18. P1.7
19. P2.0
20. P2.1
21. P2.2
22. P2.3
23. P2.4
24. P2.5
25. P2.6
26. P2.7
27. RESET
28. XTAL

Functional Features

• USB device enumeration and control
• File operations (read, write, delete)
• Directory operations (create, delete, traverse)
• Support for multiple file systems
• Built-in USB mass storage class driver
• Interrupt-driven data transfer
• Flexible control through GPIO pins

Advantages and Disadvantages

Advantages: - Compact size allows for easy integration into various devices - Low power consumption prolongs battery life in portable applications - High-speed USB 2.0 interface enables fast data transfer - Versatile support for multiple USB device classes - Built-in file system support simplifies implementation - Flexible control options provide customization possibilities

Disadvantages: - Limited pin count may restrict the number of external components that can be connected directly - Requires knowledge of USB protocols and programming skills for effective utilization

Working Principles

The CH376-80032 operates by interfacing with a microcontroller or host system through its GPIO pins. It communicates with USB devices using the USB protocol stack implemented within the IC. The built-in USB mass storage class driver allows for seamless interaction with USB storage devices, while the file system support enables file operations.

Detailed Application Field Plans

The CH376-80032 finds applications in various fields, including but not limited to: - Embedded systems - Consumer electronics - Industrial automation - Internet of Things (IoT) devices - Robotics - Automotive electronics

Detailed and Complete Alternative Models

1. CH375B: Similar to the CH376-80032, but with a reduced pin count.
2. FT232R: USB-to-serial converter IC with additional features.
3. CP2102: USB-to-UART bridge controller with integrated USB transceiver.

These alternative models offer similar functionality and can be considered based on specific project requirements.

In conclusion, the CH376-80032 is a versatile USB host controller IC that provides seamless integration of USB functionality into various electronic devices. Its compact size, low power consumption, and support for multiple USB device classes make it suitable for a wide range of applications. While it has certain limitations, such as a limited pin count, its advantages outweigh the disadvantages. The detailed pin configuration, functional features, working principles, application field plans, and alternative models provide a comprehensive understanding of this IC's capabilities.