M I K R O E L E K T R O N I K A S O F T W A R E A N D H A R D W A R E S O L U T I O N S F O R T H E E M B E D D E D W O R L D
EasyAVR
USB
4
EasyAVR4 User
’
s Manual
MikroElektronika
Development
tools
1
16
6
page
PP
UU
SS
HH
BB
UU
TT
TT
OO
NN
SS
WW
IITT
CC
HH
EE
SS
A
TMEGAxxxx
PB1
PB2
PB3
PB4
PD1
PD2
PB5
PB6
PB7
PD4
PD5
PD6
PC1
PC0
PD7
PC2
PC3
PC4
PC5
PC6
PC7
PA7
PA6
PA5
PA4
PA3
PA2
PA0
PA1
PD3
PB0
PD0
RST
VCC
GND
XT2
XT1
AREF
AGND
AVCC
VCC
OSCILLATOR
10K
Reset
100n
VCC
AVRprog
On-Board USB
programmer
EasyAVR4 has 32 push buttons, which can be used
to change states of digital inputs to microcontroller's
ports. There is also one switch that acts as a RESET.
Reset switch schematic is shown in Figure 17.
PUSHBUTTON SWITCHES
Figure 18.
Pushbutton switches
Figure 16.
Reset switch
Figure 17.
Reset switch schematic