Proconx XNUT-100 Hardware Manual page 30

XNUT-100 Hardware Manual
6.11 Optional Daughter Board Connector
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Pin Signal
1 NC (not connected)
2 VCC +5V logic supply voltage
3 NC (not connected)
4 VCC +5V logic supply voltage
5 OC0 General purpose I/O
2
6 SCL/INT0 I C clock or general purpose I/O with interrupt
2
7 SDA/INT1 I C data or general purpose I/O with interrupt
8 AIN0 General purpose I/O
9 AIN1 General purpose I/O
10 GND Logic supply ground
RXD0 Receive data, +5V logic-level
11 Note: If connected, remove resistor R40!
12 TXD0 Transmit data, +5V logic-level
13 GND Logic supply ground
14 NC (not connected)
15 NC (not connected)
16 GND Logic supply ground
17 NC (not connected)
18 GND Logic supply ground
T3/INT6 General purpose I/O with interrupt
19 Note: If connected, remove resistor R39!
20 NC (not connected)
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AVR I/O Pin
PB4
PD0
PD1
PE2
PE3
PE0
PE1
PE6