AT88SC0808CA-MJTG Atmel, AT88SC0808CA-MJTG Datasheet - Page 38
AT88SC0808CA-MJTG
Manufacturer Part Number
AT88SC0808CA-MJTG
Description
CRYPTOMEM 8KBIT 4 ZONE MOD J TWI
Manufacturer
Atmel
Series
CryptoMemory®r
Specifications of AT88SC0808CA-MJTG
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Memory Size
8K (1K x 8)
Speed
4MHz
Interface
I²C, 2-Wire Serial
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
M2 J, Smart Card Module
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8.11. Verify CRYPTO: $B8
8.11.1. Functional
8664C–CRYPT–01/10
Read Checksum
The checksum consists of 2-bytes, and the Read Checksum command must be sent with parameter N = 2.
Figure 24. System READ
Figure 25. Verify CRYPTO Command Functional Description
S
A
R
T
T
8-random bytes
8-challenge bytes
Command
1011 0110
C
A
K
Address 1
0000 xxxx
Command
Key Index
Host
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
A
C
K
Address 2
xxxx xxxx
Atmel AT88SC0104/0204/0404/0808/CA
A
C
K
Device
xxxx xxxx
N
C
A
K
d7--- ---d0
Data
A
C
K
Data x N
d7--- ---d0
N
C
A
K
O
S
P
T
37
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