ML9041A データシートの表示（PDF） - Oki Electric Industry

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ML9041A

DOT MATRIX LCD CONTROLLER DRIVER

Oki Electric Industry 

OKI Semiconductor

ML9041A-xxA/xxB

DOT MATRIX LCD CONTROLLER DRIVER

PEDL9041A-02

Issue Date: Mar. 15, 2002

Preliminary

GENERAL DESCRIPTION

The ML9041A used in combination with an 8-bit or 4-bit microcontroller controls the operation of a character type

dot matrix LCD.

FEATURES

• Easy interfacing with 8-bit or 4-bit microcontroller

• Switchable between serial and parallel interfaces

• Dot-matrix LCD controller/driver for a small (5 × 7 dots) or large (5 × 10 dots) font

• Built-in circuit allowing automatic resetting at power-on

• Built-in 17 common signal drivers and 100 segment signal drivers

• Built-in character generation ROM capable of generating 160 small characters (5 × 7 dots) or 32 large

characters (5 × 10 dots)

• Creation of character patterns by programming: up to 8 small character patterns (5 × 8 dots) or up to 4 large

character patterns (5 × 11 dots)

• Built-in RC oscillation circuit using external or internal resistors

• Program-selectable duties: 1/9 duty (1 line: 5 × 7 dots + cursor + arbitrator), 1/12 duty (1 line: 5 × 10 dots +

cursor + arbitrator), or 1/17 duty (2 lines: 5 × 7 dots + cursor + arbitrator)

• Built-in bias dividing resistors to drive the LCD

• Bi-directional transfer of segment outputs

• Bi-directional transfer of common outputs

• 100-dot arbitrator display

• Line display shifting

• Built-in contrast control circuit

• Built-in voltage multiplier circuit

• Gold Bump Chip

With dummy bumps on both sides of the chip: ML9041A-xxA CVWA

Without dummy bumps on both sides of the chip: ML9041A-xxB CVWA

*xx indicates a character generator ROM code number.

*01A and 01B indicate general character generator ROM code numbers.

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