ATAES132-MA3H-ER-T Atmel, ATAES132-MA3H-ER-T Datasheet - Page 132
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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
- Current page: 132 of 166
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K.2.
K.2.1.
K.2.2. SO [Pin 2]
K.2.3. N.C. [Pin 3]
K.2.4. V
K.2.5. SI / SDA [Pin 5]
K.2.6. SCK [Pin 6]
K.2.7. N.C. [Pin 7]
K.2.8. Vcc [Pin 8]
K.3.
Pin Descriptions
When the ATAES132 is configured in SPI communication mode, the package pins are assigned the functionality described in
this section.
SPI chip select bar input pin. In SPI communication mode, this pin functions as the slave select input. ATAES132 is selected
when the
transmitted on the serial data output pin (SO). When the device is not selected, data will not be accepted via the SI pin, and
the serial output pin (SO) will remain in a high impedance state.
When the ATAES132 is in the standby state or sleep state, a high-to-low transition on the
wakeup (See Appendix L for power management specifications). It is recommended that the
a pull-up resistor so the
Serial data out pin. In the SPI communication mode, this pin functions as the serial data output. When the
SO pin will always be in a high impedance state because the SPI interface is disabled.
No connect pin. This package pin is not used and can be left open by the user. The state of this pin does not affect the
functionality or power consumption of the ATAES132.
Ground
Serial data in pin. In the SPI communication mode, this pin functions as the serial data input. When the
pin will not accepted data because the SPI interface is disabled.
Serial clock input pin. In the SPI communication mode, this pin is used as the serial interface clock. All data on the SI and SO
pins is synchronized by SCK as described in Section K.1.3.
No connect pin. This package pin is not used and can be left open by the user. The state of this pin does not affect the
functionality or power consumption of the ATAES132.
Supply voltage. Power cannot be removed from the ATAES132 when the SPI bus is active. The device may be permanently
damaged if the requirements in Section 9.1 and Section 9.3 are exceeded.
SPI Instruction Set
The ATAES132 utilizes an 8-bit SPI instruction register. The SPI instruction set is listed in Table K-1.
SS
[Pin 1]
[Pin 4]
pin is low, allowing instructions and data to be accepted on the serial data input pin (SI), and allowing data to be
pin follows V
CC
during power up and power down.
Atmel ATAES132 Preliminary Datasheet
pin will cause the device to
pin be connected to V
8760A−CRYPTO−5/11
pin is high, the SI
pin is high, the
CC
with
132
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