ACR122L – Communication Protocol
Version 1.03
www.acs.com.hk
Page 39 of 57
1 Hz = 1000 ms Time Interval = 500 ms ON + 500 ms OFF
T1 Duration = 500 ms = 05h
T2 Duration = 500 ms = 05h
Number of repetition = 03h
Link to Buzzer = 01h
APDU = “FF 00 40 50 04 05 05 03 01”
Response = “90 02”
Example 6:
To make LED_1 and LED_0 blink of 1 Hz for 3 times.
// Assume both the LED_0 and LED_1 are initially OFF. //
// Both Initial LED_0 and LED_1 Blinking States are ON //
// The buzzer will turn on during both the T1 and T2 duration//
T1 = 500ms T2 = 500ms
LED_1 On
LED_1 Off
LED_0 Off
LED_0 On
Buzzer On
Buzzer Off
T1 = 500ms T2 = 500ms
LED_1 On
LED_1 Off
LED_0 On
LED_0 Off
Buzzer On
Buzzer Off
