ATAES132-MA3H-ER-T Atmel, ATAES132-MA3H-ER-T Datasheet - Page 40
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ATAES132-MA3H-ER-T
Manufacturer Part Number
ATAES132-MA3H-ER-T
Description
EEPROM AES 32Kbit (MA3) I2C
Manufacturer
Atmel
Datasheet
1.ATAES132-SH-EQ.pdf
(166 pages)
Specifications of ATAES132-MA3H-ER-T
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
UDFN-8
Interface Type
I2C
Factory Pack Quantity
5000
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Table 7-36. Input parameters
Table 7-37. 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
Data
Name
ReturnCode
OutMac
OutData
Name
EncRead
Mode
Address
Count
-
16 or 32
(Bytes)
Size
16
1
Notes
Upon success, 0x00 will be returned. Any command execution or validation failure generates a
non-zero error code, per Section 6.3
Integrity MAC for the output data
Encrypted output data (ciphertext)
(Bytes)
Size
1
1
2
2
0
Notes
0x04
Bits 0 to 4: Reserved. Must be 0b.
Bit 5: If 1b, include the usage counter associated with the
Bit 6: If 1b, include the SerialNum in the MAC
Bit 7: If 1b, include the first 4 bytes of the SmallZone in the MAC
The address of data to be read
Upper byte is always 0x00. Lower byte is the number of bytes to read.
ZoneConfig[UZ].ReadID key in the MAC
Atmel ATAES132 Preliminary Datasheet
8760A−CRYPTO−5/11
40
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