ATmega1281 Atmel Corporation, ATmega1281 Datasheet - Page 437
ATmega1281
Manufacturer Part Number
ATmega1281
Description
Manufacturer
Atmel Corporation
Specifications of ATmega1281
Flash (kbytes)
128 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
3
Twi (i2c)
1
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
8
Eeprom (bytes)
4096
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
6
Output Compare Channels
16
Input Capture Channels
2
Pwm Channels
8
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATmega1281-8MC
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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38.8
38.9
38.10 Rev. 2549E-04/06
38.11 Rev. 2549D-12/05
2549N–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
428.
428.
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
419.
419.
424.
385.
373.
425.
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
437
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