OLIMEX© 2017
OLIMEXINO-32U4 user's manual
7.4 Arduino shield pin holes
For your convenience the pads are named individually near each of them. Please take extra care
about the numbering but consider that there might be offset.
Pad Name
Signal
Pad Name
Signal
POWER CON1
DIGITAL CON2
RST
RESET
A0
PF7/ADC7/TDI
3V3
+3.3 V
A1
PF6/ADC6/TDO
5V
+5 V
A2
PF5/ADC5/TMS
GND
GROUND
A3
PF4/ADC4/TCK
GND
GROUND
A4
PF1/ADC1
VIN
V in
A5
PF0/ADC0
DIGITAL CON3
DIGITAL CON4
D0(RXD)
PD2/RXD1/INT2
D8(UEXT_PWR_E)
RB4/PCINT4/ADC11
D1(TXD)
PD3/TXD1/INT3
D9(LED2)
PB5/PCIN5/OC1A/#OC4B/
ADC12
D2(SDA)
PD1/SDA/INT1
D10
PB6/PCINT6/OC1B/OC4B/ADC1
3
D3(SCL)
PD0/OC0B/SCL/I
NT0
D11
PB7/PCINT7/OC0A/OC1C/
#RTS
D4
PD4/ICP1/ADC8
D12
PD6/T1/#OC4D/ADC9
D5
PC6/OC3A/
#OC4A
D13(UEXT_#CS)
PC7/ICP3/CLK0/OC4A
D6
PD7/T0/OC4D/AD
C10
GND
GND
D7(LED1)
INT6/AIN0/PE6
AREF
AREF
SDA
D2(SDA)
SCL
D3(SCL)
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