ATAES132-SH-EQ Atmel, ATAES132-SH-EQ Datasheet - Page 104
ATAES132-SH-EQ
Manufacturer Part Number
ATAES132-SH-EQ
Description
EEPROM AES 32Kbit EE SPI
Manufacturer
Atmel
Datasheet
1.ATAES132-SH-EQ.pdf
(166 pages)
Specifications of ATAES132-SH-EQ
Rohs
yes
Maximum Clock Frequency
10 MHz
Operating Supply Voltage
6 V
Maximum Operating Temperature
- 40 C to + 85 C
Mounting Style
SMD/SMT
Package / Case
SOIC-8
Interface Type
SPI
Factory Pack Quantity
2300
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H.2.
Table H-33. Definition of the CountValue field in the response to the counter command
The equivalent decimal value of the counter can be determined using the counter calculator in the Atmel Crypto Evaluation
Studio, (ACES) configuration environment. Sample code is also available for decoding the counter value. Both are available
as free downloads at www.atmel.com.
Personalizing the Monontonic Counters
The counter registers are personalized with initial values prior to locking the configuration memory. The standard Serial
EEPROM write commands are used to write the configuration memory (see Section 5.3.3). The lock command is used to lock
the configuration memory (see Section 7.19).
The initial values can be determined using the counter calculator in the ACES configuration environment. ACES is available
for free download at www.atmel.com.
Byte
0
1
2
3
Name
LinCount
CountFlag
BinCount (LSB)
BinCount (MSB)
Description
Contains the eight bit linear counter value identified in the CountFlag field
If 0x00 then, LinCount contains the LSB of LinCountA
If 0x02 then, LinCount contains the MSB of LinCountA
If 0x04 then, LinCount contains the LSB of LinCountB
If 0x06 then, LinCount contains the MSB of LinCountB
All other values are reserved for future use
Contains the Least Significant Byte of the binary counter identified in the CountFlag
field
Contains the Most Significant Byte of the binary counter identified in the CountFlag
field
BinCount contains the BinCountA value
BinCount contains the BinCountA value
BinCount contains the BinCountB value
BinCount contains the BinCountB value
Atmel ATAES132 Preliminary Datasheet
8760A−CRYPTO−5/11
104
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