1.5 Block Diagram with Display RAM Address and Initialization Table
COM1
LCD PANEL
16 Characters * 2 Lines
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F COM9
COM8 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
SEG1
SEG40 SEG41
COM16
SEG80
SEG1 SEG40
SEG41
SEG80
59(PAD)
19(PAD)
ST7065
VDD V2 CL1CL2 M FCS SHL1 SHL2 VSS
COM8 22(PAD)
54(PAD)
47(PAD)
COM1
COM16 63(PAD)
VCC CL1 CL2 M GND
62(PAD)
ST7066U-0A
55(PAD)
COM9
VSS VDD V0 RS R/W E DB0--DB7
LED + LED -
Relations between DD RAM addresses and positions on the LCD are shown
above . The DD RAM address(ADD) is set in the address counter(AC) and is
represented in hexadecimal.
Initialization Table
Instruction Setting Command
Function
00111***
Description
Duty=1/16,8-bit mode,2-line display,
5 X 8 dots format display mode
WD-C1602Q-6YLYc
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