
QM_Spartan-7 Development Board
User Manual V01
Figure 2-18. Keys
2.2.8
QM_Spartan-7 UART Port
The CP2102-GMR is a USB 2.0 to serial port bridge chip designed by Silicon Labs. The CP2102-GMR includes
a USB 2.0 full-speed function controller, USB transceiver, oscillator, UART and eliminates the need for other
external USB components are required for development. Below figure shows the hardware design of CP2102-
GMR on the QM_Spartan-7.
Figure 2-19. UART Port
KEY 0
SW2
1
2
nRESET
3V3
R16
4.7k
SW1
1
2
SW3
1
2
PROG_B
R17
4.7K
3V3
3V3
R15
4.7k
PIN_RX
PIN_TX
C10
4.7uF
R4
4.7K
U3
CP2102-GM
DCD
1
RI
2
GND
3
D+
4
D-
5
VDD
6
REGIN
7
VBUS
8
RST
9
NC1
10
SUSPEND
11
SUSPEND
12
NC2
13
CTS
23
RTS
24
RXD
25
TXD
26
DSR
27
DTR
28
NC3
14
NC4
15
NC5
16
NC6
17
NC7
18
NC8
19
NC9
20
N
C
10
21
N
C
11
22
GND_TP
29
J1
MINI_USB
Vcc
1
D-
2
D+
3
ID
4
GND
5
G3
8
G4
9
G2
7
G1
6
USB_5V
C6
100nF