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USER MANUAL v1.0
Date: 01/20/2014
Page | 31
2.3.13
Expansion Port Interface
Figure 2-14 Expansion Port
Table 2-13
Expansion Port Interface
J13
Pin
Signal
Function
1
VDD_NVCC
3.3V
2
5VIN
5V
3
GND
GND
4
GND
GND
5
GPIO4_16
GPIO
6
CSPI3_CLK
SPI3 clock
7
GPIO4_17
GPIO
8
CSPI3_MOSI
SPI3 master output salve input
9
GPIO4_18
GPIO
10
CSPI3_MISO
SPI3 master input salve output
11
GPIO4_19
GPIO
12
CSPI3_CS0
SPI3 chip select 0
13
CSPI3_CS1
SPI3 chip select 1