ATmega1281 Atmel Corporation, ATmega1281 Datasheet - Page 313
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
Table 28-1.
Bit Number
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
ATmega640/1280/2560 Boundary-scan Order (Continued)
Signal Name
PA3.Control
PA2.Data
PA2.Control
PA1.Data
PA1.Control
PA0.Data
PA0.Control
PJ7.Data
PJ7.Control
PK7.Data
PK7.Control
PK6.Data
PK6.Control
PK5.Data
PK5.Control
PK4.Data
PK4.Control
PK3.Data
PK3.Control
PK2.Data
PK2.Control
PK1.Data
PK1.Control
PK0.Data
PK0.Control
PF3.Data
PF3.Control
PF2.Data
PF2.Control
PF1.Data
PF1.Control
PF0.Data
PF0.Control
ATmega640/1280/1281/2560/2561
Module
Port K
Port F
Port J
313
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