Academic Company Events NI Developer Zone Support Solutions Products & Services Contact NI MyNI

I2C/SPI/SMBus Interfaces

Configure Page for: Print PDF Rich Text
  • Bus-powered USB interface for I2C, SMBus, and SPI communication
  • I2C master interface with clock rates up to 250 kHz
  • SMBus master interface with clock rates up to 100 kHz
  • SPI master interface with clock rates up to 12 MHz
  • 8 general-purpose digital I/O lines; compatible with Windows Vista/XP/2000
  • High-Level API for NI LabVIEW, NI LabWindows™/CVI, and Microsoft Visual C/C++ 6.0

With the NI USB-8451 interface, you can connect to and communicate with I2C, SMBus, and SPI devices. With plug-and-play USB connectivity, this interface is a portable solution to communicate with consumer electronics and integrated circuits. The USB-8451 also includes eight general-purpose digital I/O lines for a variety of applications, such as configuring the address of I2C devices or toggling LEDs.

The mark LabWindows is used under a license from Microsoft Corporation. Windows is a registered trademark of Microsoft Corporation in the United States and other countries.