ATmega1280 Atmel Corporation, ATmega1280 Datasheet - Page 95
ATmega1280
Manufacturer Part Number
ATmega1280
Description
Manufacturer
Atmel Corporation
Specifications of ATmega1280
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
86
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Spi
5
Twi (i2c)
1
Uart
4
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
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
4
Pwm Channels
15
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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ATmega640/1280/1281/2560/2561
• TXD3/PCINT10 - Port J, Bit 1
TXD3, USART3 Transmit pin.
PCINT10, Pin Change Interrupt Source 10. The PJ1 pin can serve as External Interrupt
Sources.
• RXD3/PCINT9 - Port J, Bit 0
RXD3, USART3 Receive pin. Receive Data (Data input pin for the USART3). When the
USART3 Receiver is enabled, this pin is configured as an input regardless of the value of DDJ0.
When the USART3 forces this pin to be an input, a logical one in PORTJ0 will turn on the inter-
nal pull-up.
PCINT9, Pin Change Interrupt Source 9. The PJ0 pin can serve as External Interrupt Sources.
Table 13-28 on page 96
and
Table 13-29 on page 96
relates the alternate functions of Port J to
the overriding signals shown in
Figure 13-5 on page
76.
95
2549N–AVR–05/11
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