HTG12B0
4-Bit Microcontroller
Features
·
·
·
·
·
·
·
·
·
Operating voltage: 2.4V~3.6V
Eight input lines
·
·
RC oscillator & 32768Hz crystal oscillator
8-bit timer with internal or external clock
source
Eight input/output lines
Five working registers
·
·
Internal timer overflow
Up to 4ms instruction cycle with 1MHz
system clock
4K ´ 8 ´ 4 program ROM
128 ´ 4 ´ 8 (4096) bits data memory RAM
Sound effect circuit
·
·
·
One level subroutine nesting
Halt feature reduces power consumption
8-bit table read instruction
40 segment ´ 16 common, 1/4 bias LCD driver
LCD output is fixed at 4.4V
General Description
It is ideally suited for multiple LCD for time
piece low power applications among which are
calculators, scales, calendar and hand held
LCD products.
The HTG12B0 is a processor from HOLTEK¢s
4-bit stand-alone single chip microcontroller
specially designed for LCD display and time
piece product applications.
1
September 8, 1999