HT82K95E

HT82K95E/HT82K95A USB Multimedia Keyboard Encoder 8-Bit MCU Technical Document · Tools Information · FAQs · Application Note www.DataSheet4U.com Features · Operating voltage: · 4096´15 program memory ROM · 160´8 data memory RAM · All I/O ports support wake-up options · HALT function and wake-up feature reduce power fSYS=6M/12MHz: 4.2V~5.5V · Low voltage reset function · 32 bidirectional I/O lines (max.) · 8-bit programmable timer/event counter with over- consumption · 8-level subroutine nesting · Up to 0.33ms instruction cycle with 12MHz system flow interrupt · 16-bit programmable timer/event counter and over- flow interrupts · Crystal oscillator (6MHz or 12MHz) · Watchdog Timer · PS2 and USB modes supported · USB1.1 low speed function · 3 endpoints supported (endpoint 0 included) clock at VDD=5V · Bit manipulation instruction · 15-bit table read instruction · 63 powerful instructions · All instructions in one or two machine cycles · 20/28-pin SOP, 20/48-pin SSOP package General Description This device is an 8-bit high performance RISC architecture microcontroller designed for USB product applications. It is particularly suitable for use in products such as keyboards. A HALT feature is included to reduce power consumption. The mask version HT82K95A is fully pin and functionally compatible with the OTP version HT82K95E device. Rev. 1.20 1 October 24, 2005 HT82K95E/HT82K95A www.DataSheet4U.com Block Diagram U S B D + /C L K U S B D -/D A T A V 3 3 O T M R 1 C M U X ...