AT89C5131 8位闪存微处理器全速USB设备Pdf资料

应用功能： 8位闪存微处理器全速USB设备 AT89C5131 is a high-performance Flash version of the 80C51 single-chip 8-bit microcontrollers with full speed USB functions.AT89C5131 features a full-speed USB module compatible with the USB specifications Version 1.1 and 2.0. This module integrates the USB transceivers with a 3.3V voltage regulator and the Serial Interface Engine (SIE) with Digital Phase Locked Loop and 48 MHz clock recovery.