ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 84
ATmega1284PR231
Manufacturer Part Number
ATmega1284PR231
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT86RF231.pdf
(198 pages)
2.ATMEGA1284PR231.pdf
(380 pages)
3.ATMEGA1284PR231.pdf
(20 pages)
Specifications of ATmega1284PR231
Flash (kbytes)
128 Kbytes
Max. Operating Frequency
20 MHz
Max I/o Pins
32
Spi
3
Twi (i2c)
1
Uart
2
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
AES
Sram (kbytes)
16
Eeprom (bytes)
4096
Operating Voltage (vcc)
1.8 to 3.6
Timers
3
Frequency Band
2.4 GHz
Max Data Rate (mb/s)
2
Antenna Diversity
Yes
External Pa Control
Yes
Power Output (dbm)
3
Receiver Sensitivity (dbm)
-101
Receive Current Consumption (ma)
13.2
Transmit Current Consumption (ma)
14.4
Link Budget (dbm)
104
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8.1.2.6
8.1.2.7
8.1.2.8
8111C–MCU Wireless–09/09
Auxiliary Security Header Field
MAC Service Data Unit (MSDU)
MAC Footer (MFR) Fields
The Auxiliary Security Header specifies information required for security processing and has a
variable length. This field determines how the frame is actually protected (security level) and
which keying material from the MAC security PIB is used (see IEEE 802.15.4-2006, section
7.6.1). This field shall be present only if the Security Enabled subfield b3, see
“Frame Compatibility between IEEE 802.15.4-2003 and IEEE 802.15.4-2006” on page
to one. For details of its structure, see IEEE 802.15.4-2006, section 7.6.2. Auxiliary security
header.
This is the actual MAC payload. It is usually structured according to the individual frame type. A
description can be found in IEEE 802.15.4-2006, section 5.5.3.2.
The MAC footer consists of a two-octet Frame Checksum (FCS), for details refer to
“Frame Check Sequence (FCS)” on page
85.
AT86RF231
Section 8.1.2.3
Section 8.2
83, is set
84
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