Abridged data sheet – Rainbow Electronics MAX66140 User Manual
Page 19
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MAX66140
ISO 15693-Compliant Secure Memory
30
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ABRIDGED DATA SHEET
Figure 17. 8-Bit CRC Generator
1ST
STAGE
MSb
LSb
2ND
STAGE
3RD
STAGE
4TH
STAGE
7TH
STAGE
8TH
STAGE
6TH
STAGE
5TH
STAGE
X
0
X
1
X
2
X
3
X
4
POLYNOMIAL = X
8
+ X
5
+ X
4
+ 1
INPUT DATA
X
5
X
6
X
7
X
8
Figure 18. CRC-16-CCITT Generator
1ST
STAGE
MSb
LSb
2ND
STAGE
7TH
STAGE
8TH
STAGE
6TH
STAGE
X
0
X
1
3RD
STAGE
4TH
STAGE
5TH
STAGE
X
2
X
3
X
4
POLYNOMIAL = X
16
+ X
12
+ X
5
+ 1
INPUT DATA
X
5
X
6
11TH
STAGE
X
11
9TH
STAGE
10TH
STAGE
X
9
X
10
12TH
STAGE
15TH
STAGE
14TH
STAGE
13TH
STAGE
X
12
X
13
X
14
X
7
16TH
STAGE
X
16
X
15
X
8
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