ATAES132-TH-ER-T Atmel, ATAES132-TH-ER-T Datasheet - Page 164
ATAES132-TH-ER-T
Manufacturer Part Number
ATAES132-TH-ER-T
Description
EEPROM AES 32Kbit EE I2C
Manufacturer
Atmel
Datasheet
1.ATAES132-SH-EQ.pdf
(166 pages)
Specifications of ATAES132-TH-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
TSSOP-8
Interface Type
I2C
Factory Pack Quantity
4000
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R.2.3. I
R.2.4. RRDY Status bit Not Reset by Memory Read in I
R.2.5. EERR and RRDY Status bits Reset by not polling during command execution
R.2.6. EERR and RRDY Status bits Reset by not polling during EEPROM Writes
R.2.7. KeyCompute , mode bit 2 =1b
If the command block is 64 bytes or greater the device will not accept another command until the power is cycled. No
command requires 64 bytes unless extra bytes are added to the end for padding. Because of the length of the DecRead,
WriteCompute and KeyImport commands, they need to be sent as more than one block.
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 the I
the RRDY bit is 1b before the read, then it remains 1b. ATAES132 operates correctly in SPI Interface mode.
This problem will be fixed in future revisions of ATAES132
In the I
staus bit will be reset and always appear to be zero. If the last byte of the command is sent in a sepperate packet the RRDY
bit is also cleared.
In I
always appear to be zero.
The KeyCompute command with mode bit = 1b is not supported in this revision of the device. This option will be supported in
future revisions of the ATAES132
2
C Maximum Command Block Length is 63 bytes
2
C mode, if the master does not poll the slave during an EEPROM write, the EERR and RRDY staus bits will be reset and
2
C mode, if the master does not poll the slave during a command execution, including an EEPROM write, the EERR
2
C interface mode is that the RRDY bit is not reset when an invalid address read is attempted – if
2
C Interface Mode
Atmel ATAES132 Preliminary Datasheet
8760A−CRYPTO−5/11
164
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