A000047 Arduino, A000047 Datasheet - Page 339
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
- Current page: 339 of 444
- Download datasheet (10Mb)
29.6.1
2549M–AVR–09/10
Signal Names
In this section, some pins of the ATmega640/1280/1281/2560/2561 are referenced by signal
names describing their functionality during parallel programming, see
9. Pins not described in the following table are referenced by pin names.
The XA1/XA0 pins determine the action executed when the XTAL1 pin is given a positive pulse.
The bit coding is shown in
When pulsing WR or OE, the command loaded determines the action executed. The different
commands are shown in
Figure 29-1. Parallel Programming
Note:
Table 29-9.
Programming Mode
Signal Name in
RDY/BSY
Unused Pins should be left floating.
PAGEL
DATA
BS1
XA0
XA1
BS2
WR
OE
Pin Name Mapping
Table 29-13 on page
RDY/BSY
Pin Name
Table 29-12 on page
PAGEL
PB7-0
+12V
PD1
PD2
PD3
PD4
PD5
PD6
PD7
BS1
XA0
XA1
BS2
PA0
WR
OE
ATmega640/1280/1281/2560/2561
(Note:)
I/O
I/O
PD1
PD2
PD3
PD4
PD5
PD6
PD7
RESET
XTAL1
GND
O
PA0
I
I
I
I
I
I
I
Program Memory and EEPROM data Page Load.
Bi-directional Data bus (Output when OE is low).
Function
0: Device is busy programming, 1: Device is ready for
new command.
Output Enable (Active low).
Write Pulse (Active low).
Byte Select 1.
XTAL Action Bit 0
XTAL Action Bit 1
Byte Select 2.
340.
340.
PB7 - PB0
AVCC
VCC
+5V
+5V
DATA
Figure 29-1
and
Table 29-
339
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