Hardware description and configuration
UM1964
8/24
DocID028481 Rev 1
Table 2. Arduino UNO R3 connector table
Connector
Pin
Default
Signal
Solder bridge
CN5
1
D8
2
D9/PWM
3
D10/CS/PWM
L6470 nCS
SB8
4
D11/MOSI/PWM
L6470 #1 SDI
SB26
5
D12/MISO
L6470 #0 SDO
SB32
6
D13/SCK
L6470 SCK
SB12
7
NC
8
NC
9
D14/SDA
10
D15/SCL
CN6
1
NC
2
IOREF
3
RESET
4
+3V3
5
+5V
6
GND
7
GND
8
VIN
CN8
1
A0
2
A1
3
A2
L6470 nCS
SB23
4
A3
ST1S14 PGOOD
SB6
5
A4
L6470 nFLAG
6
A5
L6470 nBUSY\SYNC
CN9
1
D0/RX
2
D1/TX
3
D2
L6470 nCS
SB7
4
D3/PWM
L6470 SCK
SB34
5
D4
L6470 nSTBY\nRST
6
D5/PWM
L6470 nCS
SB9
7
D6/PWM
8
D7