ACR122L – Communication Protocol
Version 1.03
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Data Out
SW1 SW2.
Status Code
Results
SW1 SW2
Meaning
Success
90
00h
The operation is completed successfully.
Error
63
00h
The operation is failed.
6.6. LCD Display (Graphic Mode)
This command is used to display the LCD Message in Graphic Mode.
LCD Display Command Format (5 Bytes + LCD Message Length)
Command
Class INS
P1
P2
Lc
Data In
(max. 128 Bytes)
LCD Display
FFh
00h
6Ah
Line Index
Pixel Data
Length
Pixel Data
Where:
P2
Line Index.
To set which line to start to update the LCD Display (Refer to below
LCD Display Position).
Lc
Pixel Data Length. The length of the pixel data (max. 80h).
Data In
Pixel Data. The pixel data to be sent to LCD for display.
Byte 00h (X = 00h)
Byte 01h (X = 01h)
…
Byte 0Fh (X = 0Fh)
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 … 7 6 5 4 3 2 1 0
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
…
…
1Fh
Figure 5
: LCD Display Position
Total LCD Size:
128 x 32.
