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UPD7228 Datasheet(PDF) 17 Page - NEC |
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UPD7228 Datasheet(HTML) 17 Page - NEC |
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17 / 39 page ![]() Data Sheet S10299EJ4V0DS00 17 µµµµ PD16434 (2) 16-time-division (single-chip configuration) Bank 0 and bank 1 are used in a pair, and the contents are read out to the column driver as 42 × 16-bit display data. Figure 2–7 shows correspondence of bits for the row driver and column driver for the data memory. If the data located at the Rn and Cm intersection is 1, the corresponding LCD dot is ON. If the data is 0, the dot is OFF. Figure 2–7. Data Memory (16-Time-Division, Single-Chip) R8 R9 R10 R11 R12 R13 R14 R15 C41 C40 C1 C0 0 1 2 3 4 5 6 7 Corresponding row signal R0 R1 R2 R3 R4 R5 R6 R7 29H 28H 01H 00H bit 0 1 2 3 4 5 6 7 To colmn driver Bank 0 Bank 1 |
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