S6A0072 データシートの表示（PDF） - Samsung
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S6A0072 Datasheet PDF : 32 Pages
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S6A0072
16COM/40SEG DOT MATRIX LCD CONTROLLER & DRIVER
CHARACTER GENERATOR RAM (CGRAM)
CGRAM is used for user defined character pattern. The format of the character pattern is 5 × 7 dots except for
the cursor position and has a maximum of 4 characters. To use the character pattern in CGRAM write the
character code into DDRAM as shown in table 2.
Table 2. Relationship Between Character Code (DDRAM) and Character Pattern (CGRAM)
Character Code (DDRAM data) CGRAM Address
CGRAM Data
D7 D6 D5 D4 D3 D2 D1 D0 A4 A3 A2 A1 A0 P7 P6 P5 P4 P3 P2 P1 P0
0000* * 0000000xxx01110
00001
10001
00010
10001
.
.
.
00011
.
11111
.
00100
.
10001
.
.
.
00101
.
10001
00110
10001
00111
00000
.
.
.
.
.
.
.
.
0000* * 1111000xxx11110
11001
10001
11010
10001
.
.
.
11011
.
10001
.
11100
.
10001
.
.
.
11101
.
10001
11110
11110
11111
00000
Pattern
Number
Pattern 1
Cursor position
.
.
Pattern 4
Cursor position
NOTE: "∗" don’ t care.
8
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