I/O Interfaces; Usb Interfaces (J1); Serial I/O (J12); Table 14. Usbx2 2.0 Connector Pinout - VersaLogic Tetra VL-EPC-2700 Hardware Reference Manual

Interfaces and Connectors

I/O Interfaces

USB Interfaces (J1)

Table 14. USBx2 2.0 Connector Pinout

Pin
T1 V5_USB0_OTG
T2 USB0_OTG_N
T3 USB0_OTG_P
T4 GND
TM1 V5_USB1_H1
TM2 USB1_HUB1_N
TM3 USB1_HUB1_P
TM4 GND

Serial I/O (J12)

Table 15. Serial I/O Pinouts

Pin Signal
OFFBRD_RST#
1
GP_IRQ#
3
CSPI3_SS2#
5
CSPI3_SS0#
7
CSPI3_MOSI
9
CSPI3_MISO
11
CLK_CSPI3
13
V3P3
15
GND
17
GND
19
GND
21
GND
23
GND
25
Tetra (VL-EPC-2700) Reference Manual
Signal
Top Connector Switched USB +5V Power
USB OTG DN diff pair - (Via SoC)
USB OTG DP diff pair + (Via SoC)
Top Connector Ground
Bottom Connector Switched USB +5V
Power
USB Host1 DN diff pair - (Via USB Hub)
USB Host1 DP diff pair + (Via USB Hub)
Bottom Connector Ground
Description
3.3V Active Low Reset
Output
3.3V Active Low Interrupt
Input
3.3V Slave Select #2 for Bus
CSPI3 (active low)
3.3V Slave Select #0 for Bus
CSPI3 (active low)
3.3V Master Out/Slave In for
Bus CSPI3
3.3V Master In/Slave Out for
Bus CSPI3
3.3V Clock for Bus CSPI3
3.3V Power for I/O devices
2
Ground (I C2)
Ground
2
Ground (I C1)
Ground
Ground (UART3)
Description
Pin Signal
GND
2
GND
4
CSPI3_SS1#
6
GND
8
GND
10
GND
12
GND
14
I2C2_SDA
16
CLK_I2C2_SCL
18
I2C1_SDA
20
CLK_I2C1_SCL
22
UART3_RXD
24
UART3_TXD
26
Description
Ground (OFFBRD_RST#)
Ground (GP_IRQ#)
3.3V Slave Select #1 for Bus
CSPI3 (active low)
Ground (CSPI3)
Ground (CSPI3)
Ground (CSPI3)
Ground (V3P3)
2
3.3V Data for Bus I C2
2
3.3V Clock for Bus I C2
2
3.3V Data for Bus I C1
2
3.3V Clock for Bus I C1
3.3V UART3 Receive Data
Input
3.3V UART3 Transmit Data
Output
23