H4006 Datasheet, PDF (6/10 Pages) EM Microelectronic - MARIN SA – 13.56MHz 64 Data bit Read Only Contactless Identification Device

EM MICROELECTRONIC-MARIN SA H4006
CRC Block Diagram
SERIAL QUOTIENT
X5
X12
FEEDBACK
BEFORE
SHIFT
X16
15 14 13 12 11
MSB
10 9 8 7 6 5 4
BCC REGISTER
3210
LSB
x
= ^{BCC(Block Check Characters) REGISTER STAGE}
= EXCLUSIVE - OR
data input
CRC-CCITT GENERATING POLYNOMIAL = X16 + X12 + X5 + X0
Figure 5
6