HT6750A数据手册Holtek中文资料规格书

描述 Description

General Description
The 6-Digital Timer is a camera data optical printer. Displaying and printing of data (Year Month Day/Day Hour: Minute/OFF/Month Day Year/Day Month Year) can be selected by mode selection. Date updating is a fully automatic calendar from the year 1998.1.1 to 2049.12.31.

特性 Features

  Operating voltage: 2.4V~5.5V
  Operating current: < 3㎂ at 3.0V
  Constant voltage output (1.8V±5%) at 2.4V~5.5V operating for driving lamp (1.8V/40mA)
  LCD contrast can not distort at 2.4V~5.5V operating
  LCD display drive 1/3 duty, 1/2 bias, frame frequency is 42.67Hz
  At power interrupt, data hold up 1.0s (between VDD and VSS connect a 0.1uF capacitor)
  Built-in power on reset function
  32K crystal oscillator (Internal capacitor and resistor)
  Calendar and time adjustment
  Date imprinting modes (Y/M/D, D/H/Min, Imprint off, M/D/Y, D/M/Y)
  Mode is selected by cyclically turning
  4 film printing times is selectable or external input control (30ms/45ms/60ms/external control)
  Direct resetting system
  Lamp output time control
  Provides module test circuit