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ML9042 Datasheet(PDF) 1 Page - LAPIS Semiconductor Co., Ltd. |
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ML9042 Datasheet(HTML) 1 Page - LAPIS Semiconductor Co., Ltd. |
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1 / 58 page  LAPIS Semiconductor FEDL9042-01 Issue Date: Nov. 19, 2003 ML9042-xx DOT MATRIX LCD CONTROLLER DRIVER 1/58 GENERAL DESCRIPTION The ML9042 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 an 8-bit or 4-bit microcontroller Switchable between serial and parallel interfaces Dot-matrix LCD controller driver for a 5 8 dot font Built-in circuit allowing automatic resetting at power-on Built-in 17 common signal drivers and 100 segment signal drivers Two built-in character generator ROMs each capable of generating 240 characters (5 8 dots) The character generator ROM can be selected by bank switching (ROM1S) pin. Creation of character patterns by programming: up to 8 character patterns (5 8 dots) Built-in RC oscillation circuit using external or internal resistors Program-selectable duties When ABE bit is “L”: 1/8 duty (1 line: 5 8 dots), or 1/16 duty (2 lines: 5 8 dots) When ABE bit is “H”: 1/9 duty (1 line: 5 8 dots + arbitrator), or 1/17 duty (2 lines: 5 8 dots + arbitrator) Cursor display 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 voltage multiplier circuit Gold Bump Chip ML9042-xx CVWA/DVWA *xx indicates a character generator ROM code number. *01, 11 and 21 indicate general character generator ROM code numbers. CVWA indicates a bump chip with high hardness, and DVWA indicates a bump chip with low hardness. |
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