Holtek Semiconductor HT47C20L
The HT47C20L 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 system in particular.| Part No. | HT47C20L |
|---|---|
| Datasheet | HT47C20L Download |
| Manufacturer |  Holtek Semiconductor |
| Description | R-F Type Low Voltage 8-Bit Mask MCU |
| Buy | Stock & Price |
FEATURES
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● Operating voltage: 1.2V~2.2V 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 32768Hz crystal oscillator Watchdog timer 2K ´ 16 program memory ROM 64 ´ 8 data memory RAM One real time clock (RTC) One 8-bit prescaler for real time clock One buzzer output One low voltage detector
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● One low voltage reset circuit Halt function and wake-up feature reduce power consumption LCD bias C type One LCD driver with 20 ´ 2 or 20 ´ 3 or 19 ´ 4 segments Two channels RC type A/D converter Four-level subroutine nesting Bit manipulation instruction 16-bit table read instruction Up to 122ms instruction cycle with 32768Hz system clock All instructions in one or two machine cycles 63 powerful instructions
GENERAL DESCRIPTION
1 January 18, 2000 HT47C20L Block Diagram P B 0 /IN T P ro g ra m R O M P ro g ra m C o u n te r S T A S T A S...
