BC1604A Bolymin, BC1604A Datasheet - Page 20

• Manufacturer Part Number: BC1604A
• Description: LCD
• Manufacturer: Bolymin

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Bolymin, Inc.
DDRAM Address
Display position DDRAM address
Character Generator ROM (CGROM)
The CGROM generate 5×8 dot or 5×10 dot character patterns from 8-bit character codes. See
Table 2.
Character Generator RAM (CGRAM)
In CGRAM, the user can rewrite character by program. For 5×8 dots, eight character patterns
can be written, and for 5×10 dots, four character patterns can be written.
Write into DDRAM the character code at the addresses shown as the left column of table 1. To
show the character patterns stored in CGRAM.
00
40
10
50
1
01
41
51
11
2
02
42
12
52
3
03
43
13
53
4
04
44
14
54
5
Example: 4-Line by 16-Character Display
05
45
15
55
6
06
46
16
56
7
07
47
17
57
8
◆◆◆
08
48
18
58
9
10
09
49
19
59
0A 0B
4A 4B
1A 1B
5A 5B
11
12
0C 0D
4C 4D
1C 1D
5C 5D
13
14
0E
4E
1E
5E
15
16
0F
4F
1F
5F