ACR122L – Communication Protocol
Version 1.03
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Page 38 of 57
Example 4:
To turn on the LED_1 for 2 sec. After that, resume to the initial state.
// Assume the LED_1 is initially OFF, while the LED_0 is initially ON. //
// The LED_1 and buzzer will turn on during the T1 duration, while the LED_0 will turn off during the
T1 duration. //
1 Hz = 1000 ms Time Interval = 500 ms ON + 500 ms OFF
T1 Duration = 2000 ms = 14h
T2 Duration = 0 ms = 00h
Number of repetition = 01h
Link to Buzzer = 01h
APDU = “FF 00 40 50 04 14 00 01 01”
Response = “90 02”
Example 5:
To make LED_1 blink of 1 Hz for 3 times. After that, resume to initial state.
// Assume the LED_1 is initially OFF, while the LED_0 is initially ON. //
// The Initial LED_1 Blinking State is ON. Only the LED_1 will be blinking.
// The buzzer will turn on during the T1 duration, while the LED_0 will turn off during both the T1 and
T2 duration.
// After the blinking, the LED_0 will turn ON. The LED_1 will resume to the initial state after the
blinking //
T1 = 2000 ms
T2 = 0 ms
LED_1 On
LED_1 Off
LED_0 Off
Buzzer On
Buzzer Off
LED_0 On
