WinSystems ITX-P-C444, Руководство по эксплуатации продукта, Страница: 17 / 26

ITX-P-C444/Configuration
v1.0 www.winsystems.com Page 17
7.4.13 J3 - Multi I/O (GPIO, I2C, SPI, 2x Serial, RST, and PWR Buttons)
The ITX-P-C444 supplies eight 5V-tolerant GPIO lines with rising/falling
edge event sense interrupt generation.
Layout and Pin Reference
Pin Name Pin Name
COM Ports 1 and 2
1 TX1 2 TX2
3 CTS1 4 CTS2
5 GND 6 GND
7 RTS1 8 RTS2
9 RX1 10 RX2
SPI
11 SCLK OUT 12 SS OUT
13 MOSI 14 MISO
15 GND 16 GPIO INT
17 3.3 VDD 18 3.3 VDD
I2C
19 SCL 20 GPIO INT
21 SDA 22 GND
GPIO
23 GND 24 GPIO1
25 GPIO2 26 GPIO3
27 GPIO4 28 GPIO5
29 GPIO6 30 5 VDD
Power and Reset Buttons
31 GND 32 Reset
33 GND 34 Power
1
2
33
34