HT82K94E/HT82K94A USB Multimedia Keyboard Encoder .
HT82K94A - USB Multimedia Keyboard Encoder 8-Bit MCU
HT82K94E/HT82K94A USB Multimedia Keyboard Encoder 8-Bit MCU Features · Operating voltage: fSYS=6MHz: 2.3V~5.5V fSYS=12MHz: 3.0V~5.5V · 40 bidirection.