ATAES132-SH-ER Atmel, ATAES132-SH-ER Datasheet - Page 43

• 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

Table 7-40. Input parameters
Table 7-41. Output parameters
The command and response packet is transmitted as a block beginning with the count and ending with a packet checksum.
This block format is described in Section 6.1.
Opcode
Mode
Param1
Param2
Data1
Data2
Name
ReturnCode
Name
EncWrite
Mode
Address
Count
InMac
InData
(Bytes)
Size
1
Notes
Upon success, 0x00 will be returned. Any command execution or validation failure generates a
non-zero error code, per Section 6.3.
16 or 32
(Bytes)
Size
16
1
1
2
2
Notes
0x05
Bits 0 to 4: Reserved. Must be 0b.
Bit 5: If 1b, include the usage counter associated with the encryption key in
Bit 6: If 1b, include the SerialNum in the MAC
Bit 7: If 1b, include the first four bytes of the SmallZone in the MAC
The starting address of memory to be written
Upper byte is always 0x00. Lower byte is the number of bytes to be written.
Input MAC to be verified
Encrypted Data (ciphertext)
the MAC
Atmel ATAES132 Preliminary Datasheet
8760A−CRYPTO−5/11
43