Table 14. Coding of the Password Attempts Count or Authentication Attempts Count in the 88SC ACK/NACK byte.
Hexadecimal Bit 7 Bit 6 Bit 5 Bit 4
Description
$0
0
0
0
0
No Failed Attempts
$1
0
0
0
1
1 Failed Attempt
$2
0
0
1
0
2 Failed Attempts
$3
0
0
1
1
3 Failed Attempts
$4
0
1
0
0
4 Failed Attempts
$5
0
1
0
1
5 Failed Attempts
$6
0
1
1
0
6 Failed Attempts
$7
0
1
1
1
7 Failed Attempts
$8
1
0
0
0
8 Failed Attempts
Table 15. Coding of the Password Attempt Count or Authentication Attempts Count in the 88RF ACK/NACK byte.
Hexadecimal Bit 7 Bit 6 Bit 5 Bit 4
Description
$0
0
0
0
0
No Failed Attempts
$1
0
0
0
1
1 Failed Attempt
$2
0
0
1
0
2 Failed Attempts
$3
0
0
1
1
3 Failed Attempts
$4
0
1
0
0
4 Failed Attempts
$5
0
1
0
1
5 Failed Attempts
$6
0
1
1
0
6 Failed Attempts
$7
0
1
1
1
7 Failed Attempts
$8
1
0
0
0
8 Failed Attempts
$9
1
0
0
1
9 Failed Attempts
$A
1
0
1
0
10 Failed Attempts
$B
1
0
1
1
11 Failed Attempts
$C
1
1
0
0
12 Failed Attempts
$D
1
1
0
1
13 Failed Attempts
$E
1
1
1
0
14 Failed Attempts
$F
1
1
1
1
15 Failed Attempts (LOCK)
20 AT88SC0808/1616/3216/6416CRF, AT88RF04C
5276C–RFID–3/09