This document describes how to switch to and program the unisersal serial bus (USB)
analog phase-locked loop (APLL) on the C5506/C5507/C5509A devices. Example
assembly programs for programming and switching to and from the APLL are also
provided in the attached zip file. It is assumed that the reade ...
with serial bus (Universal Serial Bus) is used to apply USB peripherals connected to the mainframe external bus structure, it is mainly used in medium-speed and low-speed peripherals
