KS0072 データシートの表示（PDF） - Samsung
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KS0072 Datasheet PDF : 32 Pages
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KS0072
PRELIMINARY SPECIFICATION
DOT MATRIX LCD CONTROLLER & DRIVER
Display Data RAM (DDRAM)
DDRAM stores 8bits character code in CGROM/CGRAM and its maximum number is 16 (16 Characters).
DDRAM address is set by the address counter (AC) as a hexadecimal number.
MSB
LSB
AC6 AC5 AC4 AC3 AC2 AC1 AC0
HEX
HEX
The relations of DDRAM address and display position is as follows.
1) DDRAM addressing mode 0 (A=0)
In this addressing mode, the address range of DDRAM is 00H ~ 0FH.
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
COM1 ~ COM8
COM9 ~ COM16
Display Position
DDRAM Address
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
COM1
COM9
After shift left : COM8 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 00 COM16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
After shift right: COM1
COM8
0F
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
COM9
COM16
2) DDRAM addressing mode 1 (A=1)
In this addressing mode, the address range of DDRAM is 00H ~ 07H and 40H ~ 47H.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
00 01 02 03 04 05 06 07 40 42 42 43 44 45 46 47
COM1 ~ COM8
COM9 ~ COM16
Display Position
DDRAM Address
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
COM1
COM9
After shift left : COM8 01 02 03 04 05 06 07 40 41 42 43 44 45 46 47 00 COM16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
After shift right: COM1 47
COM8
00
01
02
03 04 05 06 07 40
41
42
43
44
45
COM9
46 COM16
LDI-97-D001
7
97-10-23
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