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PT6553 Datasheet, PDF (1/7 Pages) Princeton Technology Corp – LCD Driver IC with Key Input Function | |||
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Princeton Technology Corp.
LCD Driver IC with Key Input Function
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT6553
DESCRIPTION
PT6553 is an LCD Driver IC providing key scan circuitry which can accept up to a maximum of 30 keys,
thereby, reducing printed circuit board wiring. It can drive up to 126 segments and is capable of control-
ling up to 4 general purpose output ports. The reset circuit provides on-chip voltage detection making it
possible to prevent incorrect displays. Pin assignments and application circuit are optimized for easy PCB
layout and cost saving advantages.
FEATURES
⢠Up to 126 Segments Outputs
⢠Up to 4 General Purpose Output Ports
⢠Key Input Function (up to 30 Keys)
⢠1/3 Duty - 1/2 Bias and 1/3 Duty - 1/3 Bias Drive Techniques
⢠Sleep Mode and all Segments OFF Function
⢠Direct Display of Display Data without using a Decoder
⢠On-Chip Voltage-Detection Type Reset Circuit
⢠RC Oscillation Circuit
APPLICATIONS
⢠Cellular Phone
⢠Data Bank, Organizer
⢠Electronic Dictionary/Translator
⢠P.D.A.
⢠P.O.S.
⢠Information Appliance
⢠Caller ID
⢠Pager
⢠Electronic Equipment with LCD Display
PT6553 v 1.0
1
Updated November 2000
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