ATAES132-SH-ER Atmel, ATAES132-SH-ER Datasheet - Page 64
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ATAES132-SH-ER
Manufacturer Part Number
ATAES132-SH-ER
Description
EEPROM AES 32Kbit EE I2C
Manufacturer
Atmel
Datasheet
1.ATAES132-SH-EQ.pdf
(166 pages)
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
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7.23.
7.23.1. SPI Reset
7.23.2. I
Reset Command
The reset command forces the ATAES132 to reset the logic, including the AES engine, nonce, and authentication status flag.
This command does not return a response.
When a Reset command is received, the ATAES132 performs the same power up reset sequence that occurs during wakeup
from the sleep state. The reset is complete after the WakeUp Ready time t
During the reset of an ATAES132 configured for SPI interface mode, the device will answer the SPI read status register
command with 0xFF to indicate it is "busy". When reset is complete, the WIP status bit changes to 0b to indicate the device is
in the active state. The ATAES132 will only accept the SPI read status register command while it is resetting – all other
commands will be ignored. The SPI read status register command is described in Section K.3.6.
During the reset of an ATAES132 configured for I
matching I
reset. The ACK poll reply will change to ACK when the device is in the active state. The ATAES132 will not accept any I
commands while it is "busy". ACK polling is described in Section J.3.8.
Table 7-67. Input parameters
Table 7-68. Output parameters
The command 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.
2
Opcode
Mode
Param1
Param2
Data
Name
C Reset
2
C device address. The ATAES132 will answer the ACK poll with an I
Name
Reset
Mode
Zero
Zero
-
(Bytes)
Size
Notes
No response packet is returned by the reset command
(Bytes)
Size
1
1
2
2
0
Notes
0x00
This byte can be any value
Always 0x0000
Always 0x0000
2
C interface mode, the host is required to perform ACK polling using the
Atmel ATAES132 Preliminary Datasheet
WupSL.RDY.
2
C NAK to indicate the device is "busy" during
(see Section 9.4.2)
8760A−CRYPTO−5/11
2
C
64
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