Digilent Nanocon User Manual
Page 6
Digilent, Inc.
Nanocon Reference Manual
www.digilentinc.com
www.digilentinc.com
page 6 of 6
Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
Table 1: Connectors
Pin
Description: All Pmod connector pins can be used for
general purpose I/Os. The following descriptions are
for used with specific Digilent Pmod modules:
Minicon Pmod header pins to ATmega168
ports/bit
Pin
Function
Port/bit
JA
Serial port communications
The USART serial port and the ATMEL TWI interface can
be accessed on this connector.
1
ADC5/SCL/PCI
NT13
PC5
2
ADC4/SDA/PCI
NT12
PC4
3
RXD/PCINT16
PD0
4
TXD/PCINT17
PD1
5
GND
6
VCC
JB
Analog input
This connector provides inputs to the analog to digital
converter of the ATmega168.
1
ADC0/PCINT8
PC0
2
ADC1/PCINT9
PC1
3
ADC2/PCINT1
0
PC2
4
ADC3/PCINT1
1
PC3
5
GND
6
VCC
JC
H-bridge connection
This connector is for use with an H-bridge module. For a
single bridge module, pins 1 and 2 are the direction and
enable signals for the bridge. Pins 3 and 4 are for encoder
feedback. For a dual bridge module, pins 1 and 2 are the
direction and enable signals for bridge 1, and pins 3 and 4
are direction and enable for bridge 2.
1
INT0/PCINT18
PD2
2
PCINT1/OC1A
PB1
3
PCINTO0/CLK
O/ICP1
PB0
4
PCINT19/OC2
B/INT1
PD3
5
GND
6
VCC
J1
SPI interface and in-system-programming
When the shorting block on JP1 is in the SS position, J1 is
used for the SPI port. When the shorting block on JP1 is in
the RST position, J1 is used for in-system-programming.
1
PCINT2/SS/OC
1B
PB2
2
PCINT3/OC2A/
MOSI
PB3
3
PCINT4/MISO
PB4
4
SCK/PCINT5
PB5
5
GND
6
VCC
J2
TWI connectors
The ATMEL TWI interface can be accessed on this
connector.
1
ADC5/SCL/PCI
NT13
PC5
2
ADC4/SDA/PCI
NT12
PC4