Description
The National Semiconductor PC8741x family of LPC ServerI/O devices (“PC8741x”) comprises highly integrated Advanced I/O products.
Features
- an X-Bus extension for read and write operations over the X-Bus for both LPC and ACCESS. bus cycles. Boot Flash and I/O devices can be accessed over this X-Bus. Embedded controllers can access the PC8741x and its X-Bus via the ACCESS. bus or SMBus serial interface when VSB exists, regardless of the LPC bus state. Some of the PC8741x logical devices can be disabled, or their pins can be floated, under control of the VSB-powered serial bus. The PC8741x provides a VSB-powered high-frequency clock for.