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KS0073 Datasheet(PDF) 48 Page - Samsung semiconductor |
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KS0073 Datasheet(HTML) 48 Page - Samsung semiconductor |
48 / 78 page S6A0073 34COM/60SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD 48 INTERFACE WITH MPU S6A0073 can transfer data in bus mode (4-bit or 8-bit) or serial mode with MPU. Hence, both types 4 or 8-bit MPU can be used. In case of 4-bit bus mode, data transfer is performed by two times to transfer 1 byte data. (1) When interfacing data length are 4-bit, only 4 ports, from DB4 to DB7, are used as data bus. At first higher 4-bit (in case of 8-bit bus mode, the contents of DB4 - DB7) are transferred, and then lower 4-bit (in case of 8-bit bus mode, the contents of DB0 - DB3) are transferred. So transfer is performed by two times. Busy Flag outputs "High" after the second transfer are ended. (2) When interfacing data length are 8-bit, transfer is performed at a time through 8 ports, from DB0 to DB7. (3) If IM is set to "Low", serial transfer mode is set. |
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