Instructions

22Hardware
© 2013 Conrad Electronic
20
PD6
PortD.6
30
ICP
LED1
LED; Input Capture Pin for Pulse/
Period Measurement
21
PD7
PortD.7
31
LED2
LED
22
PC0
PortC.0
16
SCL
EXT-SCL
I2C-Interface
23
PC1
PortC.1
17
SDA
EXT-SDA
I2C-Interface
24
PC2
PortC.2
18
25
PC3
PortC.3
19
26
PC4
PortC.4
20
27
PC5
PortC.5
21
28
PC6
PortC.6
22
29
PC7
PortC.7
23
30
AVCC
31
GND
32
AREF
33
PA7
PortA.7
7
ADC7
RX_BUSY
ADC7 Input; USB-Communication
34
PA6
PortA.6
6
ADC6
TX_REQ
ADC6 Input; USB-Communication
35
PA5
PortA.5
5
ADC5
KEY_EN
ADC5 Input; LCD/Keyboard Inter-
face
36
PA4
PortA.4
4
ADC4
LCD_EN
ADC4 Input; LCD/Keyboard Inter-
face
37
PA3
PortA.3
3
ADC3
EXT_SCK
ADC3 Input; LCD/Keyboard Inter-
face
38
PA2
PortA.2
2
ADC2
EXT_DATA
ADC2 Input; LCD/Keyboard Inter-
face
39
PA1
PortA.1
1
ADC1
ADC1 Input
40
PA0
PortA.0
0
ADC0
ADC0 Input