AT88SC0808C-MPTG Atmel, AT88SC0808C-MPTG Datasheet - Page 29

• Manufacturer Part Number: AT88SC0808C-MPTG
• Description: CRYPTOMEM 8KBIT 4 ZONE MOD P TWI
• Manufacturer: Atmel
• Series: CryptoMemory®r

Specifications of AT88SC0808C-MPTG

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 8K (1K x 8)
• Speed: 5MHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: M2 P, Smart Card Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.2.
28
Command Set
The command set of Atmel
CryptoMemory exceeds that of a simple memory device. Each instruction sent to the CryptoMemory must have
4-bytes: Command, Address 1, Address 2 and N. The last byte, N, defines the number of any additional data bytes to
be sent or received from the CryptoMemory device.
Table 25. Atmel CryptoMemory Synchronous Command Set
Atmel AT88SC0104/0204/0404/0808/1616/3216/6416/12816/25616C
Write User Zone
Read User Zone
System WRITE
System Read
Verify Crypto
Verify Password
Command Description
Normal
(Atmel AT88SC0104C-AT88SC1616C)
Normal
(Atmel AT88SC3216C, AT88SC6416C)
Normal
Atmel AT88SC12816C, AT88SC25616C)
with Anti-Tearing (all devices)
Write Config Zone
(Atmel AT88SC0104C-AT88SC1616C)
Write Config Zone
(Atmel AT88SC3216C, AT88SC6416C)
Write Config Zone
(Atmel AT88SC12816C, AT88SC25616C)
Write Fuses
Send Checksum
Set User Zone
Write Config Zone with Anti-Tearing
Set User Zone with Anti-Tearing
Read Conifg Zone
Read Fuse Byte
Read Checksum
Verify Authentication
Verify Encryption
Write Password
Read Password
®
CryptoMemory
®
is expanded compared to a Serial EEPROM as the functionality of
Command
$B0
$B0
$B0
$B0
$B2
$B4
$B4
$B4
$B4
$B4
$B4
$B4
$B4
$B6
$B6
$B6
$B8
$B8
$BA
$BA
Addr 1
addr
addr
addr
addr
addr
$0B
$0X
$1X
$0X
$1X
$00
$00
$00
$01
$02
$03
$08
$00
$01
$02
Addr 2
fuse ID
zone
zone
addr
addr
addr
addr
addr
addr
addr
addr
addr
addr
$00
$00
$00
$00
$00
$00
$00
N ≤ $10 N-bytes
N ≤ $40 N-bytes
N ≤ $80 N-bytes
N ≤ $08 N-bytes
N ≤ $10 N-bytes
N ≤ $40 N-bytes
N ≤ $80 N-bytes
N ≤ $08 N-bytes
$00
$02
$00
$00
$01
$02
$10
$10
$03
$03
N
N
N
2-bytes
8-random bytes
+ 8 challenge bytes
X= key set (0-3)
8-random bytes
+ 8-challenge bytes
X= key set (0-3)
3-byte password
X=password set (0-7)
3-byte password
X=password set (0-7)
Data (N)
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