12864-12-SL-M-ET-ELP 查看數據表（PDF） - Unspecified

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12864-12-SL-M-ET-ELP

128 x 64 Dot STN Graphic LCD Assembly With T-6963C Graphics Controller LED / EL Panel Backlight

Unspecified 

SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE

MODEL NO: 12864-12

(3) Address Pointer Set

The address pointer set command is used to indicate the start address for writing (or reading) to external RAM.

The flow chart address pointer set command

ADDRESS POINTER SET

STATUS CHECK

LOW ADDRESS DATA SET

STATUS CHECK

HIGH ADDRESS DATA SET

STATUS CHECK

Address pointer set command send

COMMAND 24H SEND

END

● Control Word Set

Code

Hex

Function

D1

01000000 40H Text home address set

Low address

01000001 41H Text area set

Columns

01000010 42H Graphic home address set

Low address

01000011 43H Graphic area set

Columns

The home address and column size are defined by this command.

D2

High address

00H

High address

00H

(1) Text Home Address Set

The starting address of external display RAM for Text display is defined by this command. The text home address

shows the left end and most upper position.

The relationship of external display RAM address and display position

TH

TH+TA

(TH+TA)+TA

(TH+2TA)+TA

TH+CL

TH+TA+CL

TH+2TA+CL

TH+3TA+CL

TH+(n-1)TA

TH+(n-1)TA+CL

TH : Text home address

TA : Text area number (columns)

CL : Columns are fixed by hardware. (pin-programmable)

PACIFIC DISPLAY DEVICES

07.21.2006

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