ST7070 Просмотр технического описания (PDF) - Sitronix Technology Co., Ltd.

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Компоненты Описание

производитель

ST7070

Dot Matrix LCD Controller/Driver

Sitronix Technology Co., Ltd. 

ST7070

Instruction Description

EXT=0 or 1

Clear Display

RS RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

Code 0 0 0 0 0 0 0 0 0 1

Clear all the display data by writing "20H" (space code) to all DDRAM address, and set DDRAM address to

"00H" into AC (address counter). Return cursor to the original status, namely, bring the cursor to the left edge

on first line of the display. Make entry mode increment (I/D = "1").

Return Home

RS RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

Code 0 0 0 0 0 0 0 0 1 x

Return Home is cursor return home instruction. Set DDRAM address to "00H" into the address counter.

Return cursor to its original site and return display to its original status, if shifted. Contents of DDRAM does

not change.

Display ON/OFF

RS RW DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

Code 0 0 0 0 0 0 1 D C P

Control display/cursor/blink ON/OFF 1 bit register.

D : Display ON/OFF control bit

When D = "High", entire display is turned on.

When D = "Low", display is turned off, but display data is remained in DDRAM.

C : Cursor ON/OFF control bit

When C = "High", cursor is turned on.

When C = "Low", cursor is disappeared in current display, but I/D register remains its data.

Cursor

Alternating

display

Every

32 frames

P : Font table selection bit

When P = "Low", it select page 1 of font table.(set DDRAM data bit-8=0)

When P = "High", it select page 2 of font table(set DDRAM data bit-8=1)

V1.4

17/51

2009/04/29

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