HT82K94A
HT82K94A is USB Multimedia Keyboard Encoder 8-Bit MCU manufactured by Holtek Semiconductor.
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 bidirectional I/O lines (max.)
- 8-bit programmable timer/event counter with overflow interrupt (shared with PD4, vector 08H)
- 16-bit programmable timer/event counter and overflow interrupts (shared with PA7, vector 0CH)
- Crystal oscillator (6MHz or 12MHz)
- Watchdog Timer
- PS2 and USB modes supported
- USB 2.0 low speed function
- 4 endpoints supported (endpoint 0 included)
- 6144´16 program memory ROM
- 224´8 data memory RAM
- One internal USB interrupt (vector 04H)
- All I/O ports support wake-up options
- HALT function and wake-up feature reduce...
