ST7093 datasheet(22/43 Pages) SITRONIX

22 / 43 page

ST7093

Ver 2.1

22/43

2003/09/23

Set ICONRAM Address

Set ICONRAM address to AC.

Before writing or reading data, set ICONRAM address should be performed. After each write or

read the address counter will increase 1 automatically. 5 bit ICON is stored in each data byte. If

(C,B) = (1,1) then ICON display will blink. ICONRAM address is from 00H to 0FH. Address

10H is reserved for electronic volume level setting.

Set CGRAM/DDRAM Address

Set CGRAM /DDRAM address to AC.

CGRAM and DDRAM share the same address space. Before accessing CGRAM/DDRAM, set

CGRAM/DDRAM address should be performed. Address counter will automatically increase by

1 after each write or read operation. After accessing 7FH the address will reset to 00H.

Addr

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 (pattern1)

50H

CGRAM (pattern 2)

CGRAM (pattern 3)

60H

CGRAM (pattern 4)

CGRAM (pattern5)

70H

CGRAM (pattern 6)

CGRAM (pattern 7)

Read Data from CGRAM/DDRAM or ICONRAM

Before RAM data read, address set of either CGRAM/DDRAM or ICONRAM should be performed. The first

read is a dummy read. The data is invalid. The correct data is obtain from the second read. After read data the

address counter will increase by 1 automatically. If multiple read in succession only the first read data is

dummy.

Code

DB7

DB6

DB5

DB4

DB1

DB2

DB3

DB0

ST7093 Datasheet(PDF) 22 Page - Sitronix Technology Co., Ltd.

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