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Examples of LPC devices include Super I/O (disk controller, keyboard controller), BIOS RAM, audio, Trusted Platform Module (TPM), and system management controller.

LPC host controller has the A-Link bus on one side and the LPC bus on the other. The host controller supports memory and I/O read/write, DMA read/write, and bus master memory I/O read/write. It supports up to two bus masters and seven DMA channels