Version 1.1
Illustration 4.2: USB connection
USB interface from the Qseven module can be linked to three separate interfaces: USB3.0 connector, USB
OTG connector and miniPCIe slot. Switching is done via jumpers.
4.3
UART CONNECTION
UART connection is shown in figure below:
Illustration 4.3: UART connection
All UART signals are accessible on UART extension connector P6. UARTs can be used either as 4
independent null-modem UARTs (RX-TX only; UART1-4) or 2 independent UARTs with handshake signals
(RX, TX, RTS, CTS; UART1-2). UART 1 or UART2 can be routed to FTDI UART-USB converter for easier
console access.
PastLS1 Qseven carrier board for Rakun LS1
USB ctrl
LM3525M
TI
Qseven
CPU Module
USB-POWERFAULT
USB1
Mini-PCIe
Slot
USB1 2.0 OTG
J5
USB1 3.0
J4
USB-DRVBUS
Jumpers
P8/P11
Jumpers
P12/P13
MikroBus
Slot
USB
FT230X
FTDI
Qseven
CPU Module
UART4
USB_K
Socket
Mini A
UART3
UART2
UART1
UART
P6
Jumpers
P16/P17