參數(shù)資料
型號： W33D4321
廠商： WINBOND ELECTRONICS CORP
元件分類： 顯示驅(qū)動器
英文描述： LIQUID CRYSTAL DISPLAY DRIVER, PQFP64
封裝： PLASTIC, QFP-64
文件頁數(shù)： 12/28頁
文件大?。?/td> 305K
代理商： W33D4321
W33D0001 SERIES
- 2 -
GENERAL DESCRIPTION
This chip is an LCD driver for a telephone dialer number display or other equipment. A maximum of
16 digits or 128 dots can be displayed, with 1/3 bias, 1/4 duty, and 32 segments.
In normal mode, a maximum of 128 dots (programmed by
P transceiver function) can be displayed
on the LCD panel. In clock mode, the LCD panel can display a built-in clock that can also be
programmed through the
P transceiver function. In timer mode, the LCD panel can display the
conversation time. The timer mode cannot be programmed by the
P.
A VDD1 pin is used in different voltage system applications to implement a voltage level shift function
to guarantee the transceiver data.
This chip is fabricated using Winbond's high performance CMOS technology.
FEATURES
Supply voltage: 1.5V or 3V by mask option
Operating frequency: 32.768 KHz
Built-in crystal oscillator circuit
RC/Crystal mode selected by mask option
Voltage level shift with a
P
Three operating modes
Normal mode (can be programmed by P)
Clock mode (can be programmed by P)
Timer mode. (can not be programmed by P)
Max. 16 (128 dots) digits with 8 dots/digit displayed in normal mode
LCD (128 dots) can be programmed by
P from any address between 0 and 127
Clock display include leap-year, month, date, hour, and minute
Clock adjustable through MODE, SET pins or
P
Conversation time max. 11 hours 59 min 59 sec
Clock 12 or 24 format by pin select
16, or 32 Hz LCD frequency select by mask option
1/3 bias, 1/4 duty 32-segment LCD panel
Built-in VDD1 for different voltage system data transceiver application
Built-in ATS pin to enable/disable timer mode
Packaged in 64-pin PQFP
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