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12864-12 View Datasheet(PDF) - Unspecified

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Description
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12864-12 Datasheet PDF : 31 Pages
First Prev 21 22 23 24 25 26 27 28 29 30
SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 12864-12
Screen Peek
Code
Hex
Function
Operand
11100000
E0H
Screen Peek
---
This command is used to transfer displayed 1 byte data to data stack, and this 1 byte data can be read from MPU by
data access. The logical combination data of text and graphic display on LCD screen can be read by this command.
The status (STA6) should be checked just after "Screen peek" command. If the address determined by "Address
pointer Set" command is not in graphic area, this command ignored and status flag (STA6) is set. Please refer following flow
chart.
SCREEN PEEK START
STATUS CHECK 1
LOWER ADDRESS DATA
STATUS CHECK 1
UPPER ADDRESS DATA
STATUS CHECK 1
ADDRESS POINTER SET 24H
STATUS CHECK 1
SCREEN PEEK E0H
STATUS CHECK STA6=0? NO
YES
STATUS CHECK 1
DATA ACCESS
END
PACIFIC DISPLAY DEVICES
07.21.2006
22
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