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ML9044 Datasheet

  • ML9044

  • DOT MATRIX LCD CONTROLLER DRIVER

  • 55頁(yè)

  • OKI

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E2B0055-19-61
隆 Semiconductor
隆 Semiconductor
ML9044
DOT MATRIX LCD CONTROLLER DRIVER
This version: Jun. 1999
ML9044
e
Pr
lim
y
ar
in
GENERAL DESCRIPTION
The ML9044 used in combination with an 8鈥揵it or 4鈥揵it microcontroller controls the operation
of a character type dot matrix LCD.
FEATURES
鈥?Easy interfacing with 8鈥揵it or 4鈥揵it microcontroller
鈥?Switchable between serial and parallel interfaces
鈥?Dot鈥搈atrix LCD controller/driver for a small (5
樓
7 dots) or large (5
樓
10 dots) font
鈥?Built鈥搃n circuit allowing automatic resetting at power鈥搊n
鈥?Built鈥搃n 17 common signal drivers and 120 segment signal drivers
鈥?Built鈥搃n character generation ROM capable of generating 160 small characters (5
樓
7 dots) or
32 large characters (5
樓
10 dots)
鈥?Creation of character patterns by programming: up to 8 small character patterns (5
樓
8 dots) or
up to 4 large character patterns (5
樓
11 dots)
鈥?Built鈥搃n RC oscillation circuit using external or internal resistors
鈥?Program鈥搒electable duties: 1/9 duty (1 line: 5
樓
7 dots + cursor + arbitrator), 1/12 duty (1 line:
5
樓
10 dots + cursor + arbitrator), or 1/17 duty (2 lines: 5
樓
7 dots + cursor + arbitrator)
鈥?Built鈥搃n bias dividing resistors to drive the LCD
鈥?Bi鈥揹irectional transfer of segment outputs
鈥?Bi鈥揹irectional transfer of common outputs
鈥?Equipped with a 120鈥揹ot arbitrator
鈥?Display shifting on each line
鈥?Built鈥搃n contrast control circuit
鈥?Built鈥搃n voltage multiplier circuit
鈥?Chip (Gold Bump) Product name : ML9044CVWA
1/54

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