Description
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The USB-8451, identified by part numbers 779553-50, 779553-01, 192317D-02, and 192317D-02L, is a PC-based serial interface device designed for I2C/SPI/SMBus communication. This board-only OEM version stands out for its versatility and high performance in data transfer and device control.
As an I²C/SPI Interface Device, the USB-8451 excels in providing reliable and efficient communication between a computer and various peripherals or other circuits. It is powered directly from the bus, ensuring full-speed operation without the need for external power sources.
Featuring 8 Programmable Digital I/O Lines, this interface device enables users to customize their setups according to specific project requirements. The provided software CD simplifies the installation process, allowing for quick setup and integration into existing systems.
The USB-8451 is equipped with advanced protection mechanisms, including overcurrent, overvoltage, and undervoltage protection, safeguarding connected devices and data integrity during operation. It supports Four SPI Modes, offering flexibility in configuring SPI communications according to the specific needs of the application.
Developers can take advantage of the Advanced API for Custom I2C and SPI Transactions, facilitating the creation of customized solutions for complex data transactions. Connectivity is ensured through a USB Series B Receptacle and Two 16-position Screw Terminal Plug Headers, providing a secure and reliable connection.
The USB-8451 supports a maximum I2C clock rate of 250 kHz and a maximum SPI clock rate of 12 MHz, ensuring high-speed communication for a wide range of applications. Its compact physical dimensions, without connectors, make it an ideal choice for projects where space is at a premium.
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| Specification | Detail |
|---|---|
| Part Number | 779553-50, 779553-01, 192317D-02, 192317D-02L |
| Category | PC-based Serial |
| Model | USB-8451 |
| Description | USB-8451, I2C/SPI/SMBus Interface, Board Only OEM Version |
| Interface Type | I²C/SPI Interface Device |
| Power | Bus-powered, Full-speed |
| Digital I/O Lines | 8 Programmable Lines |
| Software Installation | Software CD |
| Integrated Protection | Overcurrent, overvoltage, undervoltage |
| SPI Modes | Four SPI Modes |
| API | Advanced API for Custom I2C and SPI Transactions |
| Connectors | USB Series B Receptacle, Two 16-position Screw Terminal Plug Headers |
| Max I2C Clock Rate | 250 kHz |
| Max SPI Clock Rate | 12 MHz |
| Physical Dimensions (Without Connectors) | 2.50 x
Question 1: What are the part numbers for the USB-8451? Question 2: What is the max SPI clock rate of USB-8451? Question 3: Does the USB-8451 need an external power source? Question 4: What type of protection does USB-8451 offer? Question 5: How many programmable lines does the USB-8451 have? |



