General Description
The Maxim Command Module (CMAXQUSB) receives commands from an IBM PC through the USB to create an SPI™ or SMBus™/I2C-compatible interface. Maxim evaluation kits (EV kits) that make use of the CMAXQUSB require custom software and can be ordered together as an evaluation system (EV system).
Ordering information for EV systems is included in the EV kit’s corresponding data sheet

FEATUREs
♦ PC-Controlled I/O Platform
♦ USB Powered
♦ Provides 2.5V, 3.3V, or 5V to EV Kit
♦ SPI Bus: 8MHz Burst
♦ I2C/2-Wire Bus: Fast 400kHz/Standard 100kHz
♦ Optional 1.5kΩ I2C Bus Pullup Resistors