CN56X0B-X Reader User Manual
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5.4.2 Frame format
Starting
Bits
Starting
character
Card info
End
character
BCC
Ending
Bits
ten “0”
B
10BYTES
F
5BITS
five “0”
CARD IN
/DATA
1 0 1 0 1 1
CLOCK
1ms 0.5ms
5.4.3 LRC portrait redundant checking sum enable method
LRC character apply following method to calculate: exclude Odd check bit
，
regulate each bit in
LRC character
，
it will ensure sum of the bits which is going to be encode at response position is
even number.
Magstripe data
：
B0 B1 B2 B3
P(odd
check
bit)
Starting character
：
1 1 0 1
0
First card character
：
1 0 0 0
0
Second card
character
：
0 1 0 0
0
Third card
character:
：
1 1 0 0
1
…… ……
……
……
……
……
Ending character
：
1 1 1 1
1
LRC character
：
0 0 1 0
0
5.5 Clock &Data (Europe) format
5.5.1 Description
The protocol provides a 3-wire Clock and Data
(Europe)
interface with a 10 digit BCD or 8 digit
BCD Tag Code. The three wires are defined as Presence, Clock and Data. The Presence line will
indicate the presence of a Tag. The Clock line is used to clock the data on the Data line.
