A000047 Arduino, A000047 Datasheet - Page 9
A000047
Manufacturer Part Number
A000047
Description
MCU, MPU & DSP Development Tools Mega2560
Manufacturer
Arduino
Series
-r
Type
MCUr
Specifications of A000047
Processor To Be Evaluated
ATmega2560
Interface Type
USB, I2C, SPI
Dimensions
4 in x 2.1 in
Operating Supply Voltage
5 V
Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega2560
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- Download datasheet (10Mb)
2.3.11
2.3.12
2.3.13
2.3.14
2.3.15
2.3.16
2549M–AVR–09/10
Port J (PJ7..PJ0)
Port K (PK7..PK0)
Port L (PL7..PL0)
RESET
XTAL1
XTAL2
resistors are activated. The Port H pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port H also serves the functions of various special features of the ATmega640/1280/2560 as
listed on
Port J is a 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port J output buffers have symmetrical drive characteristics with both high sink and source capa-
bility. As inputs, Port J pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port J pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port J also serves the functions of various special features of the ATmega640/1280/2560 as
listed on
Port K serves as analog inputs to the A/D Converter.
Port K is a 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port K output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port K pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port K pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port K also serves the functions of various special features of the ATmega640/1280/2560 as
listed on
Port L is a 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port L output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port L pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port L pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port L also serves the functions of various special features of the ATmega640/1280/2560 as
listed on
Reset input. A low level on this pin for longer than the minimum pulse length will generate a
reset, even if the clock is not running. The minimum pulse length is given in
Characteristics” on page
Input to the inverting Oscillator amplifier and input to the internal clock operating circuit.
Output from the inverting Oscillator amplifier.
page
page
page
page
92.
94.
96.
98.
372. Shorter pulses are not guaranteed to generate a reset.
ATmega640/1280/1281/2560/2561
“System and Reset
9
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