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HT47C20L Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT47C20L Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
1 / 45 page HT47C20L R-F Type Low Voltage 8-Bit Mask MCU Rev. 2.30 1 December 2, 2005 Features · 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 · One low voltage reset circuit · HALT function and wake-up feature reduce power consumption · LCD bias C type · One LCD driver with 20´2or20´3or19´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 · 64-pin QFP package General Description The HT47C20L is an 8-bit high performance RISC-like microcontroller. Its single cycle instruction and two-stage pipeline architecture make high speed appli- cations. The device is suited for use in multiple LCD low power applications among which are calculators, clock timers, games, scales, toys, thermometers, hygrome- ters, body thermometers, capacitor scaler, other hand held LCD products, and battery system in particular. Technical Document · Tools Information · FAQs · Application Note - HA0029E Using the Time Base Function in the HT47R20A-1 - HA0030E Using the RTC in the HT47R20A-1 - HA0034E Using the Buzzer Function in the HT47R20A-1 - HA0036E Using the PFD Function in the HT47R20A-1 - HA0045E Distinguishing between the Different Devices in the HT47 MCU Series |
Similar Part No. - HT47C20L_05 |
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Similar Description - HT47C20L_05 |
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