ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 82
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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8111C–MCU Wireless–09/09
• Bit 6:
the "Intra-PAN" subfield indicates that in a frame, where both, the destination and source
addresses are present, the PAN-ID of the source address field is omitted. In RX_AACK mode,
this bit is evaluated by the address filter logic of the AT86RF231.
• Bit [11:10]:
the "Destination Addressing Mode" subfield describes the format of the destination address of
the frame. The values of the address modes are summarized in
to IEEE 802.15.4.
Table 8-3.
If the destination address mode is either 2 or 3 (i.e. if the destination address is present), it
always consists of a 16-bit PAN ID first, followed by either the 16-bit or 64-bit address as
described by the mode.
• Bit [13:12]:
the "Frame Version" subfield specifies the version number corresponding to the frame. These
register bits are reserved in IEEE 802.15.4-2003.
This subfield shall be set to 0 to indicate a frame compatible with IEEE 802.15.4-2003 and 1 to
indicate an IEEE 802.15.4-2006 frame. All other subfield values shall be reserved for future use.
RX_AACK register bit AACK_FVN_MODE (register 0x2E, CSMA_SEED_1) controls the behav-
ior of frame acknowledgements. This register determines if, depending on the Frame Version
Number, a frame is acknowledged or not. This is necessary for backward compatibility to IEEE
802.15.4-2003 and for future use. Even if frame version numbers 2 and 3 are reserved, it can be
handled by the radio transceiver, for details refer to
Registers” on page
See IEEE 802.15.4-2006, section 7.2.3 for details on frame compatibility.
Table 8-4.
Addressing Mode
Frame Version
Frame Control Field Bit Assignments
Frame Control Field Bit Assignments
b
b
b
11
15
13
00
01
10
11
00
01
10
11
b
b
b
10
14
12
Frame Control Field - Destination and Source Addressing Mode
Frame Control Field - Frame Version Subfield
68.
Value
Value
0
1
2
3
0
1
2
3
Description
PAN identifier and address fields are not present
Reserved
Address field contains a 16-bit short address
Address field contains a 64-bit extended address
Description
Frames are compatible with IEEE 802.15.4 2003
Frames are compatible with IEEE 802.15.4-2006
Reserved
Reserved
Section 7.2.7 “Register Description - Control
Table 8-3 on page
AT86RF231
82, according
82
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