HT1130 Overview
Key Specifications
Description
The HT1130 is a processor from Holtek s 4-bit stand alone single chip microcontroller range specifically designed for LCD product applications. The device is ideally suited for multiple - Internal timer overflow interrupt - External interrupt - One level subroutine nesting - 8-bit timer with internal or external clock source - 8-bit table read instruction - Up to 4ms instruction cycle with 1MHz sys- tem clock at VDD=3V - All instructions in 1 or 2 machine cycles LCD low power applications among which are calculators, scales and hand-held LCD products.
Key Features
- Operating voltage: 2.4V~3.3V
- 12 input lines
- Four output lines
- Five working registers
- Sound effect circuit
- 4K ´ 8 program ROM
- 128 ´ 4 bits data memory RAM size
- 32 ´ 4 segment LCD driver
- RC oscillator for system clock
- Halt feature reduces power consumption
