01000001 41H Set Text Area Columns 00H
01000010 42H Set Graphic Home Address Low address High address
01000011 43H Set Graphic Area Columns 00H
The home address and column size are defined by this command.
(1) Set Text Home Address
The starting address in the external display RAM for text display is defined by this command.
The text home address indicates the leftmost and uppermost position.
The relationship between external display RAM address and display position
TH
TH+CL
TH+TA
TH+TA+CL
(TH+TA)+TA
TH+2TA+CL
(TH+2TA)+TA
TH+3TA+CL
燠燠燠
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).
(Example)
Text home address""""""""" 扈0000H
Text area""""""""""""" 扈0020H
""""""""""""""" ""
扈32 Columns
"""""""""""""""""
扈4 Lines
0000H 0001H
001EH 001FH
0020H 0021H
003EH 002FH
0040H 0041H
005EH 005FH
0060H 0061H
007EH 007FH
相关PDF资料
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