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LC74763 Datasheet(PDF) 7 Page - Sanyo Semicon Device |
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LC74763 Datasheet(HTML) 7 Page - Sanyo Semicon Device |
7 / 21 page Display Control Commands Display control commands are input in an 8-bit serial format. Commands consist of a command identification code in the first byte and data in the second and following bytes. The following commands are supported. ① COMMAND0: Display memory (VRAM) write address setting command ➁ COMMAND1: Display character data write command ③ COMMAND2: Vertical display start position and character size (lines 1 and 2) setting command ➃ COMMAND3: Horizontal display start position and character size (lines 9 and 11) setting command ➄ COMMAND4: Display control setting command 1 ➅ COMMAND5: Display control setting command 2 ⑦ COMMAND6: Display control setting command 3 ⑧ COMMAND7: Display control setting command 4 Display Control Command Table First byte Second byte Command Command identification code Data Data 7654321076543210 COMMAND0 1000 V3 V2 V1 V0 000 H4 H3 H2 H1 H0 Write address COMMAND1 100100 at2 at1 c7 c6 c5 c4 c3 c2 c1 c0 Character write COMMAND2 1010 SZ SZ SZ SZ 00 VP VP VP VP VP VP Vertical display start position 21 20 11 10 543210 COMMAND3 1011 SZ SZ SZ SZ 00 HP HP HP HP HP HP Horizontal display start position B1 B0 91 90 543210 COMMAND4 1100 RST RAM OSC RND 0 I/N BLK BLK BK ATS 0 DSP Display control 1 101 COMMAND5 1101 PH PH PH I/E 0 TST CHAL BKL RSL RSL CVM XTS Display control 2 2 1 0 1 0 COMMAND6 1110 MOD MOD MOD MOD 0 HFI M30S SMS IOS BCL BCL CB Display control 3 3210 10 COMMAND70 1111000 LINS 0 VCOS LIN LIN LIN LIN LIN LIN Display control 4 1543210 COMMAND71 1111010 LINS 0 EG PS PS VMN SVIS VNS VSS Display control 5 221 COMMAND72 1111100 LINS 0000 MOD MOD MOD MOD Display control 6 3210 COMMAND73 1111110 LINS 0000 VCOS SOUT VOUT HOUT Display control 7 2 Once the command identification code in the first bite is written, it is stored internally until the first byte of the following command is written. However, when the display character data write command (COMMAND1) is written, the system becomes locked in display character data write mode, and the first byte cannot be overwritten. When the CS pin is set high the command state is set to COMMAND0, i.e., display memory write address setting mode. LC74763, LC74763M No. 5039-7/21 |
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