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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UPD6465CS датащи(PDF) 23 Page - NEC |
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UPD6465CS датащи(HTML) 23 Page - NEC |
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23 / 52 page  µPD6464A,6465 23 • Character specification bits These bits specify the address of a character. There are 128 types of characters available ( µPD6465: 256 types). Addresses 7EH ( µPD6464A), FEH (µPD6465), 7FH (µPD6464A) and FFH (µPD6465), however, are fixed to the display OFF data and 2-byte contiguous command end code, respectively (no character can be set to these addresses even when the character is changed by mask code option because these addresses are fixed nevertheless). The character designs can be changed by mask code option. • Blink control bit This bit specifies whether the character written to the video RAM blinks, in character units. For the details of turning ON/OFF blinking in screen units, refer to 2.2 Display Control Command. 3. TRANSFERRING COMMANDS 3.1 1-Byte Command DATA CLK CS 3.2 2-Byte Command DATA CLK CS 1st byte 2nd byte 1st byte: D15-D8 2nd byte: D7-D0 When transferring a 2-byte command, keep CS low between the first byte and second byte. 3.3 2-Byte Contiguous Command DATA CLK CS 1st byte 2nd byte 2nd byte The 2-byte contiguous command writes a character to the video RAM. To write characters in succession without changing the blink data, first transfer the first byte and then transfer the second bytes (character addresses) in succession. |
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