MCP23S08聯系電話：13590238352黃小姐 Features • 8-bit remote bidirectional I/O port - I/O pins default to input • High-speed I 2 C™ interface (MCP23008) - 100 kHz - 400 kHz - 1.7 MHz • High-speed SPI interface (MCP23S08) - 10 MHz • Hardware address pins - Three for the MCP23008 to allow up to eight devices on the bus - Two for the MCP23S08 to allow up to four devices using the same chip-select • Configurable interrupt output pin - Configurable as active-high, active-low or open-drain