Holtek Semiconductor HT82K72A
The device is an 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. With its internal 27MHz amplifier the device is suitable for applications such as 27MHz or 2.4GHz keypads etc.| Part No. | HT82K72A |
|---|---|
| Datasheet | HT82K72A Download |
| Manufacturer |  Holtek Semiconductor |
| Description | One Channel Keyboard |
| Buy | Stock & Price |
FEATURES
● Operating voltage:● 36 I/O bi-directional lines with pull-high options
● Supports max. 20´8 keyboard applications
● Power down and wake-up functions to reduce power fSYS= 27MHz: 2.0V~3.3V
● 36 bidirectional I/O lines
● Watchdog Timer function
● Single 16-bit internal timer with overflow interrupt and consumption
● 4-level subroutine nesting
● Bit manipulation instruction
● Table read instructions
● 63 powerful instructions
● All instructions executed in one or two machine cy- timer input
● Integrated high-drive CMOS inverter 27MHz ampli- fier
● 27MHz or 6MHz external crystal oscillator
● Two bit to define micro-controller system clock (fSYS/1, fSYS/4, fSYS/8, fSYS/16)
● PC6/RF data is defined as RF data out cles
● Low voltage reset function
● 48 SSOP package
GENERAL DESCRIPTION
The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, Power Down and wake-up functions, Watchdog timer, motor driving, industrial control, consumer products, subsystem controllers, etc.
