Serial LCD Adapter Board
IC/Module: MCP23S17 High-Speed 16-bit I/O Expander
MCP23S17 features a remote bidirectional 16-bit I/O port that allows SPI clock speeds up to 10 MHz. It consists of several 8-bit configuration registers for input, output and polarity selection. The system master can qualify the I/Os as either inputs or outputs by writing the I/O configuration bits (IODIRA/B). The data for each input or output is kept in the corresponding input or output register. The 16-bit I/O port functionality consists of two 8-bit ports: PORTA and PORTB. It has two interrupt pins (INTA and INTB) that can be connected with their individual ports, or can be logically OR’ed together in order to activate the pins in case either port triggers an interrupt.
The Serial LCD Adapter Board makes use of an IDC10 connector (on the additional board) for connection to a development system as well as one of the 2x5 connectors on the development system’s ports. The onboard 1x6 connector CN2 allows the user to establish a connection with the LCD display.
- Serial LCD Adapter Board (1)
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