ATAES132-MA3H-ER-T Atmel, ATAES132-MA3H-ER-T Datasheet - Page 163
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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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R.1.12. RRDY Status bit Not Reset by Memory Read in I
R.1.13. I
R.1.14. Random Command Mode Not Supported
R.1.15. EncRead Signature Generation Modes Not Supported
R.1.16. Vcc Voltage Limitation
R.1.17. Slow V
R.2.
R.2.1. SPI Mode 3 Not Supported
R.2.2. Temperature Sensor is non-functional
If a memory read is attempted using an invalid address, then the EERR bit will be set to 1b and the RRDY bit should be set to
0b. Actual behavior in I
RRDY bit is 1b before the read, then it remains 1b. The ATAES132 operates correctly in SPI Interface mode.
This problem will be fixed in future revisions of ATAES132.
I
interface mode.
The random command does not support Mode Bit 2. This revision of the device can only generate random numbers for
external use using the random command. Nonce values can only be generated with the nonce command. If the host attempts
to use this mode with the ATAES132 first silicon, an error code will be generated.
The EncRead command does not support the key memory signature generation mode or the configuration memory signature
generation mode. Any attempt to read the configuration memory or key memory using the EncRead command generates an
error code
The absolute maximum operating voltage is 4.0V. The temperature sensor will be permanently damaged if the V
excess of 4.0V is applied to the device. Overvoltage damage to the temperature sensor will result in a permanent increase in
the power consumption of the device.
This problem will be fixed in future revisions of ATAES132.
If the rise time of V
device may not load the ChipConfig register correctly, causing the device to enter the wrong power state at power up. The
device may not load the I
device address; as a result it may be impossible for the host microcontroller to communicate with the ATAES132. Selection of
the wrong interface mode at power up could result in permanent damage to the ATAES132.
This problem will be fixed in future revisions of the ATAES132.
Pre-Production Errata (INFO DeviceNum = 0x0A04)
Pre-production version, not fully qualified.
SPI Mode 3 communication is not supported in this revision of the device. This problem will be fixed in future revisions of the
ATAES132.
The temperature sensor is non-functional and the TempSense command should not be executed. Execution of the
TempSense command will result in the part reseting.
2
2
C Auth signaling is not supported in this revision of the device. The SO pin is always in the high impedance state in I
C Auth Signaling Not Supported
CC
Power Up
CC
during power up is 100 milliseconds or more, then the ATAES132 may be configured incorrectly. The
2
C Interface mode is that the RRDY bit is not reset when an invalid address read is attempted – if the
2
CAddr register correctly resulting in selection of the wrong interface mode or loading a random I
2
C Interface Mode
Atmel ATAES132 Preliminary Datasheet
8760A−CRYPTO−5/11
CC
is in
2
C
2
C
163
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