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PS0801ARS-F Datasheet(PDF) 39 Page - Powertip Technology |
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PS0801ARS-F Datasheet(HTML) 39 Page - Powertip Technology |
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39 / 65 page ![]() ST7066U V2.0 2001/03/01 16/42 Character Code (DDRAM Data) CGRAM Address Character Patterns (CGRAM Data) b7 b6 b5 b4 b3 b2 b1 b0 b5 b4 b3 b2 b1 b0 b7 b6 b5 b4 b3 b2 b1 b0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 1 0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 - 0 0 0 0 0 0 1 1 1 - - - 0 0 0 0 0 0 0 1 0 0 0 1 1 1 1 0 0 0 1 0 0 1 1 0 0 0 1 0 0 1 0 1 0 1 0 0 0 1 0 0 1 0 1 1 1 1 1 1 0 0 0 1 1 0 0 1 0 1 0 0 0 0 1 1 0 1 1 0 0 1 0 0 0 1 1 1 0 1 0 0 0 1 0 0 0 0 - 0 0 1 0 0 1 1 1 1 - - - 0 0 0 0 0 Table 5 Relationship between CGRAM Addresses, Character Codes (DDRAM) and Character patterns (CGRAM Data) Notes: 1. Character code bits 0 to 2 correspond to CGRAM address bits 3 to 5 (3 bits: 8 types). 2. CGRAM address bits 0 to 2 designate the character pattern line position. The 8th line is the cursor position and its display is formed by a logical OR with the cursor. Maintain the 8th line data, corresponding to the cursor display position, at 0 as the cursor display. If the 8th line data is 1, 1 bits will light up the 8th line regardless of the cursor presence. 3. Character pattern row positions correspond to CGRAM data bits 0 to 4 (bit 4 being at the left). 4. As shown Table 5, CGRAM character patterns are selected when character code bits 4 to 7 are all 0. However, since character code bit 3 has no effect, the R display example above can be selected by either character code 00H or 08H. 5. 1 for CGRAM data corresponds to display selection and 0 to non-selection. “-“: Indicates no effect. |
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