ATmega1281 Atmel Corporation, ATmega1281 Datasheet - Page 396
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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2549N–AVR–05/11
Figure 32-19. Reset Pull-up Resistor Current vs. Reset Pin Voltage (V
Figure 32-20. Reset pull-up Resistor Current vs. Reset Pin Voltage (V
40
35
30
25
20
15
10
70
60
50
40
30
20
10
5
0
0
0
0
0.2
0.5
0.4
ATmega640/1280/1281/2560/2561
0.6
1
0.8
V
V
RESET
RESET
1.5
1
(V)
(V)
1.2
2
1.4
1.6
2.5
CC
CC
1.8
= 2.7V)
= 1.8V)
2
3
-40°C
-40°C
25°C
85°C
25°C
85°C
396
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