HT82K74E - Holtek

HT82K74E 27MHz Keyboard/ Mouse TX 8-Bit MCU

The device is an 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. The advantages of low power consumption, I/O flexibilwww.DataSheet4U.com ity, timer functions, Power Down and wake-up functions, Watchdog timer, motor driving, industrial control, consumer products, subsystem.

Features

· Operating voltage:
· 128´8 bits data EEPROM for HT82K74EE
· One external crystal (27MHz) to supply fSYS= 27MHz: 3.0V~3.3V for crystal mode
· Program Memory: 2K´15 bits
· Data Memory: 96´8 bits
· 36 bidirectional I/O lines, with pull-high options
· Watchdog Timer function
· Single 16-bit internal timer with overflow interrupt microcontroller system clock
· 63 powerful instructions
· All instructions executed in one or two machine cycles
· Low voltage reset function
· Crystal oscillator which built-in capacitor value can and timer input
· Power down and wake-up functions to reduce configu.