Datasheet Details
| Part number | HT82K74E |
|---|---|
| Manufacturer | Holtek Semiconductor |
| File Size | 429.73 KB |
| Description | 27MHz Keyboard/ Mouse TX 8-Bit MCU |
| Datasheet |
 HT82K74E Datasheet
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General Description
The device is an 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications.
Key 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 volta.