User's Manual

ACR122L-ACS Design Specification
Version 0.03 19/05/2010
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39
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50
ACR122L
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ACS
5.12. Pseudo APDU for Stop LCD Scrolling
This APDU is used to stop the LCD Scrolling set before, the LCD display will back to normal display
position
Table 12.0A: Stop Scrolling LCD Command Format (5 Bytes)
Command Class INS P1 P2 Lc
Clear LCD 0xFF 0x00 0x6F 0x00 0x00
Data Out: SW1 SW2.
Table 12.0B: Status Code
Results SW1 SW2 Meaning
Success 90 00 The operation is completed successfully.
Error 63 00 The operation is failed.
5.13. Pseudo APDU for LCD Contrast Control
This APDU is used to Control the LCD Contrast
Table 13.0A: LCD Contrast Control Command Format (5 Bytes)
Command Class INS P1 P2 Lc
LCD Contrast
Control
0xFF 0x00 0x6C Contrast Control 0x00
P2: Contrast Control
The value range is between 0x00 to 0x0F. It is as large as brighten on contrast. Otherwise the
contrast will been darken.
Data Out: SW1 SW2.
Table 13.0B: Status Code
Results SW1 SW2 Meaning
Success 90 00 The operation is completed successfully.
Error 63 00 The operation is failed.