Holtek Semiconductor HT47C20
The HT47C20 is an 8-bit high performance RISC-like microcontroller. Its single cycle instruction and two-stage pipeline architecture make high speed applications. The device is suited for use in multiple LCD low power applications among which are calculators, clock timers, games, scales, toys, thermometers, hygrometers, body thermometers, capacitor scaler, other hand held LCD products, and battery systems in particular.| Part No. | HT47C20 |
|---|---|
| Datasheet | HT47C20 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | 8-Bit Microcontroller |
| Buy | Stock & Price |
FEATURES
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● Operating voltage: 2.4V~3.6V Eight bidirectional I/O lines Four input lines One interrupt input One 16-bit programmable timer/event counter with PFD (programmable frequency divider) function On-chip crystal and RC oscillator for system clock One 32.768kHz crystal oscillator for real time clock Watchdog timer 2K ´ 16 program memory ROM 64 ´ 8 data memory RAM One Real Time Clock (RTC) One 8-bit prescaler for RTC
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● One buzzer output Halt function and wake-up feature reduce power consumption LCD bias C type One LCD driver with 20 ´ 3 or 19 ´ 4 segments One 38kHz or 40kHz IR carrier output (455kHz or 480kHz system clock only) Two channels RC type A/D converter Four-level subroutine nesting Bit manipulation instruction 16-bit table read instruction Up to 8.3ms instruction cycle with 480kHz system clock All instructions in one or two machine cycles 63 powerful instructions
GENERAL DESCRIPTION
1 January 18, 2000 HT47C20 Block Diagram P B 0...
