User's Manual

ACR122L-ACS Design Specification
Version 0.03 19/05/2010
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ACR122L
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ACS
5.9. Pseudo APDU for LCD Display (Graphic Mode)
This APDU is used to Display LCD Message in Graphic Mode
Table 9.0A: LCD Display Command Format (5 Bytes + LCD Message Length)
Command Class INS P1 P2 Lc Data In
(max. 128 Bytes)
LCD Display 0xFF 0x00 0x6A Line Index
Pixel Data
Length
Pixel Data
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. 0x80)
Data In: Pixel Data
The pixel data to be sent to LCD for display
LCD Display Position (Total LCD Size: 128x32):
Byte 0x00 (X = 0x00) Byte 0x01 (X = 0x01) … Byte 0x0F (X = 0x0F)
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 … 7 6 5 4 3 2 1 0
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
… …
0x1F
Data Out: SW1 SW2.
Table 9.0B: Status Code
Results SW1 SW2 Meaning
Success 90 00 The operation is completed successfully.
Error 63 00 The operation is failed.
Line Index
X
-axis