ATAES132-SH-ER Atmel, ATAES132-SH-ER Datasheet - Page 65
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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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7.24.
Sleep Command
The sleep command forces the ATAES132 into one of two low power states – sleep or standby. This command does not
return a response.
The sleep state can be used to extend battery life in portable systems by powering down the ATAES132 internal circuitry when
the device is sleeping. The standby state puts the internal circuitry in a low power state to reduce power consumption while
preserving the volatile memory contents and the security state.
A device in the sleep state will not retain any volatile memory contents or security states. A device in the sleep state goes thru
a full power up sequence upon wakeup.
A device in the standby state will retain all volatile memory contents. A device in the standby state does not go thru a power up
sequence upon wakeup.
The ATAES132 exits the sleep or standby state if a wakeup event occurs on the IO pins. Wakeup is discussed in Section L.2.
See Appendix L for a detailed description of the ATAES132 sleep, standby, wakeup, and power management functions.
Table 7-69. Input parameters
Table 7-70. 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.
Opcode
Mode
Param1
Param2
Data
Name
(Bytes)
Name
Sleep
Mode
Zero
Zero
-
Size
Notes
No response packet is returned by the reset command
(Bytes)
Size
1
1
2
2
0
Notes
0x11
Bit 0 to 5: Reserved. Must be 0b
Bit 6: If 0b, activate the sleep state
Bits7: Reserved. Must be 0b
Always 0x0000
Always 0x0000
If 1b, activate the standby state
Atmel ATAES132 Preliminary Datasheet
8760A−CRYPTO−5/11
65
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