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HT47C20L

Holtek Semiconductor Inc
Part Number HT47C20L
Manufacturer Holtek Semiconductor Inc
Description R-F Type Low Voltage 8-Bit Mask MCU
Published Mar 26, 2005
Detailed Description HT47C20L 8-Bit Microcontroller Features · · · · · · · · · · · · · Operating voltage: 1.2V~2.2V Eight bidirectional I/O ...
Datasheet PDF File HT47C20L PDF File

HT47C20L
HT47C20L

Overview
HT47C20L 8-Bit Microcontroller 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 ´ 2 or 20 ´ 3 or 19 ´ 4 segments Two channels RC type A/D converter Four-level su...


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