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MCP23S08

Microchip Technology
Part Number MCP23S08
Manufacturer Microchip Technology
Description 8-Bit I/O Expander
Published Aug 27, 2008
Detailed Description MCP23008/MCP23S08 8-Bit I/O Expander with Serial Interface Features • 8-Bit Remote Bidirectional I/O Port - I/O pins de...
Datasheet PDF File MCP23S08 PDF File

MCP23S08
MCP23S08

Overview
MCP23008/MCP23S08 8-Bit I/O Expander with Serial Interface Features • 8-Bit Remote Bidirectional I/O Port - I/O pins default to input • High-Speed I2C 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 Block Diagram MCP23S08 SCK SI SO MCP23008 SCL MCP23S08 SDA A1:A0 A2:A0 3 RESET INT Serial Interface Decode Interrupt Logic VDD VSS POR • Configurable Interrupt Source - Interrup...


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