AT88SC0404CA-PU Atmel, AT88SC0404CA-PU Datasheet - Page 38

• Manufacturer Part Number: AT88SC0404CA-PU
• Description: IC EEPROM 4KBIT 4MHZ 8DIP
• Manufacturer: Atmel
• Series: CryptoMemory®r

Specifications of AT88SC0404CA-PU

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 4K (512 x 8)
• Speed: 4MHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• For Use With: AT88SC-SDK1 - KIT TUEMA DK CRYPTOMEM SMARTCARDAT88SC-DK1 - KIT DEV FOR AT88SCXXXXC FAMILY
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
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