User's Manual

ACR122L-ACS Design Specification
Version 0.03 19/05/2010
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ACR122L
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ACS
5.14. Pseudo APDU for LCD Backlight Control
This APDU is used to Control the LCD Backlight
Table 14.0A: LCD Backlight Control Command Format (5 Bytes)
Command Class INS P1 P2 Lc
LCD Backlight
Control
0xFF 0x00 0x64 Backlight
Control
0x00
P2: Backlight Control
Table 14.0B: Backlight Control Format (1 Byte)
CMD Description
0x00 LCD Backlight Off
0xFF LCD Backlight On
Data Out: SW1 SW2.
Table 14.0C: Status Code
Results SW1 SW2 Meaning
Success 90 00 The operation is completed successfully.
Error 63 00 The operation is failed.