DFI EC102-XNX Manual do utilizador - Página 17
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I/O Ports
X
Expansion Slots - 20 Pin GPIO expansion
2x I2C, 1x UART, 9x GPIOs
Pin Assignment
Pin
Define
Address
Pin
1
+3V3
2
3
GND
4
5
I2C1_SDA
6
/dev/i2c-1
7
I2C1_SCL
8
9
I2C0_SDA
10
/dev/i2c-0
11
I2C0_SCL
12
13
I2S0_SCLK
gpio79
14
15
I2S0_DOUT
gpio78
16
17
I2S0_DIN
gpio77
18
19
I2S0_FS
gpio76
20
User's Manual | EC102-XNX
Define
Address
+5V
GND
UART2_TXD_3V3
Debug Console
/dev/ttyS0
UART2_RXD_3V3
GND
SPI1_SCK
gpio14
SPI1_MISO
gpio13
SPI1_MOSI
gpio12
SPI1_CS0
gpio15
SPI1_CS1
gpio232
I/O Ports
X
OTG programming recovery
This port is for OTG programming, any USB standard Micro type interface cable or device fits
the port.
Chapter 2
HARDWARE INSTALLATION
17