ATAES132-SH-ER Atmel, ATAES132-SH-ER Datasheet - Page 116

• Manufacturer Part Number: ATAES132-SH-ER
• Description: EEPROM AES 32Kbit EE I2C
• Manufacturer: Atmel

Specifications of ATAES132-SH-ER

• Rohs: yes
• Maximum Clock Frequency: 1 MHz
• Operating Supply Voltage: 6 V
• Maximum Operating Temperature: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8
• Interface Type: I2C
• Factory Pack Quantity: 2300

I.19.
I.20.
I.21.
Encrypt Command MAC
The OutMAC is calculated using the following 14 bytes in the default authenticate-only block
If any of the optional authenticate fields are selected in the mode parameter, then a second authenticate-only block is included
in the MAC calculation.
EncWrite Command MAC
The InMAC is calculated using the following 14 bytes in the default authenticate-only block:
If any of the optional authenticate fields are selected in the mode parameter, then a second authenticate-only block is included
in the MAC calculation.
Info Command
The Info command does not perform a cryptographic operation and does not use or generate a MAC.
2 bytes ManufacturingID
1 byte
1 byte
2 bytes Param1
2 bytes Param2
1 byte
5 bytes 0x00
4 bytes Usage counter value, or 0x00 if not selected or if KeyID is VolatileKey
8 bytes SerialNum[0:7], or 0x00 if not selected
4 bytes SmallZone[0:3], or 0x00 if not selected
2 bytes ManufacturingID
1 byte
6 bytes FirstBlock field containing:
5 bytes 0x00
4 bytes Usage counter value, or 0x00 if not selected
8 bytes SerialNum[0:7], or 0x00 if not selected
4 bytes SmallZone[0:3], or 0x00 if not selected
Encrypt Opcode (0x06)
Mode
MacFlag
EncWrite Opcode (0x05)
1 byte
2 bytes
2 bytes
1 byte
Mode
Param1
Param2
MacFlag
Atmel ATAES132 Preliminary Datasheet
8760A−CRYPTO−5/11
116