Phytec phyBOARD WEGA-AM335x, Hardware Manual

Page: 24 / 29

7. Expansion connector:
The expansion connector X69 provides an easy way to add other functions and features to the
phyBOARD-Wega. Standard interfaces such as UART, SPI and I
2
C as well as different supply
voltages and some GPIOs are available at the expansion female connector. The pinout of the
expansion connector is shown in S e c u r e Digital Memory Card/ MultiMedia Card (X11).
Pin No Signal Name Description Pin of Processor
1 VCC3V3 3.3 V power supply
2 VCC5V 5 V power supply
3 VDIG1_1P8V 1.8 V power supply
4 GND Ground
5 X_SPI0_CS0 SPI 0 chip select 0 A16
6 X_SPI0_MOSI SPI 0 master output/slave
input B17
7 X_SPI0_MISO SPI 0 master input/slave
output B16
8 X_SPI0_CLK SPI 0 clock output A17
9 GND Ground
10 X_UART0_RXD UART 0 receive data
(standard debug interface) E15
11 X_I2C0_SDA I²C 0 Data C17
12 X_UART0_TXD UART 0 transmit data
(standard debug interface) E16
13 X_I2C0_SCL I²C 0 Clock C16
14 GND Ground
15 X_JTAG_TMS JTAG Chain Test Mode
Select signal C11
16 X_nJTAG_TRST JTAG Chain Test Reset B10
17 X_JTAG_TDI JTAG Chain Test Data Input B11
18 X_JTAG_TDO JTAG Chain Test Data
Output A11
19 GND Ground
20 X_JTAG_TCK JTAG Chain Test Clock
signal A12
21 X_USB1_DP_EXP USB1 data plus R17
22 X_USB1_DM_EXP USB1 data minus R18
23 nRESET_OUT Reset A10
24 GND Ground
25 X_MMC2_CMD MMC command J16
26 X_MMC2_DAT0 MMC data 0 J17
27 X_MMC2_CLK MMC clock L15
28 X_MMC2_DAT1 MMC data 1 J18
© PHYTEC Embedded Pvt. Ltd. 2014 24