ATmega1281R231 Atmel Corporation, ATmega1281R231 Datasheet - Page 38
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ATmega1281R231
Manufacturer Part Number
ATmega1281R231
Description
Manufacturer
Atmel Corporation
Specifications of ATmega1281R231
Flash (kbytes)
128 Kbytes
Max. Operating Frequency
16 MHz
Max I/o Pins
54
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)
8
Eeprom (bytes)
4096
Operating Voltage (vcc)
1.8 to 3.6
Timers
6
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
12.8
12.9
12.10 Rev. 2549E-04/06
12.11 Rev. 2549D-12/05
2549NS–AVR–05/11
Rev. 2549G-06/06
Rev. 2549F-04/06
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Updated
Added
Updated
Updated
Updated note for
Updated
Updated
Updated
Added Package information
Updated
Updated
Updated
Updated Features in
Updated
Updated
Updated
Updated note for
Updated
Updated
Updated
Updated
Advanced Information Status changed to Preliminary.
Changed number of I/O Ports from 51 to 54.
Updatet typos in
Updated Features in
Updated Operation
Updated Stabilizing Time in
Updated
Updated Text in
Updated Note for
Table 26-6 on page
Updated
Updated
Updated
Updated
Updated
Figure 1-2 on page
“Features” on page
“” on page
“Power Management and Sleep Modes” on page
Figure 26-9 on page 285
“Setting the Boot Loader Lock Bits by SPM” on page
“Ordering Information” on page
“Errata” on page
Figure 9-3 on page
Table 20-2 on page 187
“Fuse Bits” on page
“Features” on page
Table 12-1 on page
“Bit 6 – ACBG: Analog Comparator Bandgap Select” on page
“Prescaling and Conversion Timing” on page
“Maximum speed vs. V
“Ordering Information” on page
Figure 26-1 on page
Table 31-9 on page 377
“Filling the Temporary Buffer (Page Loading)” on page
“Typical Characteristics” on page
“Packaging Information” on page
“Errata” on page
“ADCSRB – ADC Control and Status Register B” on page
“TCCR0A – Timer/Counter Control Register A” on page
Table 12-1 on page
Table 12-1 on page
Table 4 on page
in“ADC – Analog to Digital Converter” on page 275
46.
295.
“ADC – Analog to Digital Converter” on page
“ADC – Analog to Digital Converter” on page
29.
29.
3,
ATmega640/1280/1281/2560/2561
“Changing Channel or Reference Selection” on page
“100C1” on page
31,
1.
1.
Table 1-1 on page
62.
336.
276,
CC
Figure 9-4 on page 31
and
and
” on page
and
Figure 26-9 on page
43,
68.
62.
Table 20-3 on page
Table 31-10 on page
Figure 26-10 on page
Table 13-15 on page
20.
20.
25.
385.
373.
26.
3.
278.
and
285,
52.
187.
378.
Figure 9-5 on page
285.
Figure 26-10 on page
324.
86,
323.
275.
275.
Table 26-3 on page 289
273.
129.
290.
32.
282.
285.
and
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