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HT47C20 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT47C20 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 56 page  HT47C20 8-Bit Microcontroller 1 January 18, 2000 Features · 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 · One buzzer output · Halt function and wake-up feature reduce power consumption · LCD bias C type · OneLCDdriverwith20´3or19´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 The HT47C20 is an 8-bit high performance RISC-like microcontroller. Its single cycle in- struction 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, hy- grometers, body thermometers, capacitor scaler, other hand held LCD products, and battery sys- tems in particular. |
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Similar Description - HT47C20 |
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