ISL6296A Datasheet, PDF (9/20 Pages) Intersil Corporation – FlexiHash For Battery Authentication

ISL6296A
XI
BN
CN
DN
MA[7:6]
8
8-BIT CRC CALCULATOR
8
POLYNOM = 1 + X^MA[2:0] - X^MA[5:3] + X⁸
AN
XI
CN
DN
MB[7:6]
8
8-BIT CRC CALCULATOR
8
POLYNOM = 1 + X^MB[2:0] - X^MB[5:3] + X⁸
AN
BN
XI
DN
MC[7:6]
8
8-BIT CRC CALCULATOR
8
POLYNOM = 1 + X^MC[2:0] - X^MC[5:3] + X⁸
AN
BN
CN
XI
MD[7:6]
8
8-BIT CRC CALCULATOR
8
POLYNOM = 1 + X^MD[2:0] - X^MD[5:3] + X⁸
Y[7:0] = XA[7:0] ⊕ S2R{XB[7:0]} ⊕ S4R{XC[7:0]} ⊕ S6R{XD[7:0]}
NA[7:0]
AN
XA[7:0]
NB[7:0]
BN
XB[7:0]
NC[7:0]
CN
XC[7:0]
ND[7:0]
DAN
XD[7:0]
LEGEND:
XI
AN, BN, CN, DN
XA, XB, XC, XD
MA, MB, MC, MD
NA, NB, NC, ND
SNR{ }
Y[7:0]
32-BIT CHALLENGE CODE WORD SERIAL BIT-STREAM
CRC CALCULATOR SERIAL OUTPUTS
CRC CALCULATOR 8-BIT PARALLEL OUTPUTS
CRC POLYNOMIAL AND INPUT SELECTION CODES
CRC REGISTER INITIALIZATION SEEDS
N-BIT CYCLICAL RIGHT SHIFT FUNCTION
8-BIT AUTHENTICATION CODE OUTPUT
FIGURE 7. BLOCK DIAGRAM OF THE FLEXIHASH ENGINE
9
FN6567.3
April 15, 2010