6
3.2
Wiegand Mode (Jumper Set to the Right two Pins)
You would need to select the jumper to "W" to enter this mode.
for Seeeduino is designed to read Wiegand data in interrupt mode.
In Wiegand Mode, output data is formatted with 26bits including 24bits card info and 2 bits parity.
bi
t
0
1 2 3 4 5 6 7 8 9 1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
-
P
E
D
P
0
-
-
E
0
-
-
-
D2[7..0]
D1[7..0]
D0[7..0]
-
PE is even bit, PO is odd bit;
E is the data bit which was involved in even, O is the data bit which was involved in odd;
DX[7..0] is the data bit which correspond to Mifare@ Standard & Light card read only ID;
