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PT6880 датащи(PDF) 13 Page - Princeton Technology Corp |
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PT6880 датащи(HTML) 13 Page - Princeton Technology Corp |
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13 / 42 page ![]() Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw OLED Driver/Controller IC Preliminary PT6880 bits 0 to 4 is set to "1", the corresponding display location will light up regardless of the cursor position. 6. When the Character Code Bits 4 to 7 are set to "0", then the CGRAM Character Pattern is selected. It must be noted that Character Code Bit 3 is not relevant and will not have any effect on the character display. Because of this, the first Character Pattern shown above ( R ) can be displayed when the Character Code is 00H or 08H. RELATIONSHIP BETWEEN CGRAM ADDRESS, DDRAM CHARACTER CODE AND CGRAM CHARACTER PATTERNS (FOR 5 X10 DOT CHARACTER PATTERN) Character Codes (DDRAM Data) CGRAM Address Character Patterns (CGRAM Data) 7 6 5 4 3 2 1 0 5 4 3 2 1 0 7 6 5 4 3 2 1 0 High Low High Low High Low 0 0 0 0 * * * 0 0 0 0 0 0 0 0 1 * * * 0 0 0 0 0 0 0 1 0 * * * 1 0 1 1 0 0 0 1 1 * * * 1 1 0 0 1 0 1 0 0 * * * 1 0 0 0 1 0 1 0 1 * * * 1 0 0 0 1 0 1 1 0 * * * 1 1 1 1 0 0 1 1 1 * * * 1 0 0 0 0 1 0 0 0 * * * 1 0 0 0 0 1 0 0 1 * * * 1 0 0 0 0 Character Pattern 0 0 0 0 * 0 0 * 0 0 1 0 1 0 * * * 0 0 0 0 0 Cursor Position 1 0 1 1 * * * * * * * * 1 1 0 0 * * * * * * * * 1 1 0 1 * * * * * * * * 1 1 1 0 * * * * * * * * 1 1 1 1 * * * * * * * * 0 0 0 0 * * * * * * * * 0 0 0 1 * * * * * * * * 1 0 0 1 * * * * * * * * 0 0 0 0 * 1 1 * 1 1 1 0 1 0 * * * * * * * * 1 0 1 1 * * * * * * * * 1 1 0 0 * * * * * * * * 1 1 0 1 * * * * * * * * 1 1 1 0 * * * * * * * * 1 1 1 1 * * * * * * * * Notes: 1. * = Not Relevant 2. The character pattern row positions correspond to the CGRAM data bits -- 0 to 4, where bit 4 is in the left position. 3. Character Code Bits 1 and 2 correspond to the CGRAM Address Bits -- 4 and 5 respectively (2 bits : 4 types) 4. If the CGRAM Data is set to "1", then the selection is displayed. If the CGRAM is set to "0", there no selection is made. 5. The CGRAM Address Bits 0 to 3 are used to define the character pattern line position. The 11th line is the cursor position and its display is formed by the logical OR with the cursor. PT6880 pre 1.1 Page 13 Mar. 2002 |
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