SOLOMON

Rev 1

01/2003

SSD1801 Series

28

Display State

1, 0 (Cursor Mode)

1, 1 (Blinking Mode)

0, 0

0, 1

Figure 19 - Display Attributes

Set DD/ CGRAM Address

Before writing/ reading data into/ from the RAM, set the address by RAM address set instruction. Next, when

data are written/ read in succession, the address is automatically increased by1. After accessing 7Fh, the address is

00h.

Table 9 - DD/ CGRAM Address Mapping

ADDRESS

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

00H

DDRAM LINE 1 (00H - 0FH)

10H

DDRAM LINE 2 (10H - 1FH)

20H

DDRAM LINE 3 (20H - 2FH)

30H

DDRAM LINE 4 (30H - 3FH)

40H

CGRAM (PATTERN 0)

CGRAM (PATTERN 1)

50H

CGRAM (PATTERN 2)

CGRAM (PATTERN 3)

60H

CGRAM (PATTERN 4)

CGRAM (PATTERN 5)

70H

CGRAM (PATTERN 6)

CGRAM (PATTERN 7)