158004.B00 5
The audio processor logic in the CS5530A chip connects to an AC97 compatible
audio codec chip, which provides audio A/D and D/A conversions.
The CS5530A also provides a slower PC/104 bus (ISA bus), on which the Flash
memory and Super I/O chips are located. The Super I/O chip includes the floppy and
IDE disk controllers, serial and parallel I/O functions as well as the keyboard and
mouse controller. A second dual UART chip implements COM3 and COM4.
A 16-bit PC/104 interface allows the TP400 to perform memory and I/O accesses to
the PC/104 bus, and a PC104/Plus interface allows PCI bus transfers.
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