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Component Descriptions and Connections
UG0209 User Guide Revision 7.1
19
The following figure shows the USB-to-UART connections.
Figure 18 •
USB to UART
D1-
D1+
D-
D+
VDD
VDD
VUSB
RXD_0_IN TXD_0_OUT
Mfr P/N :BLM31PG500SN1L
Mfr: Murata
C78
0.1uF-0402
C78
0.1uF-0402
R52
39R-0603
R52
39R-0603
R49
0R-0603
R49
0R-0603
FB3
B
LM31PG500SN1L-1206
FB3
B
LM31PG500SN1L-1206
VBUS
8
REGIN
7
VDD
6
NC1
10
NC2
13
NC3
14
NC4
15
NC5
16
NC6
17
D-
5
D+
4
GND
3
GNDNW
30
GNDCNTR
29
RST
9
NSUSPEND
11
SUSPEND
12
NC7
18
NC8
19
NC9
20
NC10
21
NC11
22
DTR
28
RTS
24
CTS
23
DSR
27
RI
2
TXD
26
RXD
25
DCD
1
U16
CP2102-GM
MANUFACTURER P/N = CP2102-GM
MANUFACTURER = Silicon Laboratories Inc
U16
CP2102-GM
MANUFACTURER P/N = CP2102-GM
MANUFACTURER = Silicon Laboratories Inc
R51
10K-0603
R51
10K-0603
C76
1uF-0603
C76
1uF-0603
R50
147R-0603
R50
147R-0603
1
1
TPV1-DTR
TP_VIA
TPV1-DTR
TP_VIA
1
1
TPV2-DSR
TP_VIA
TPV2-DSR
TP_VIA
1
1
TPV4-DCD
TP_VIA
TPV4-DCD
TP_VIA
D11
LED_GREEN-0603
D11
LED_GREEN-0603
F2
MICROSMD050F-2-1210
MANUFACTURER P/N = MICROSMD050F-2
MANUFACTURER = Tyco
F2
MICROSMD050F-2-1210
MANUFACTURER P/N = MICROSMD050F-2
MANUFACTURER = Tyco
R491
0R-0603
R491
0R-0603
1
1
TPV3-RI
TP_VIA
TPV3-RI
TP_VIA
C77
0.1uF-0402
C77
0.1uF-0402
VBUS
1
D-
2
D+
3
NC
4
GND
5
GND1
6
GND2
7
GND3
8
GND4
9
NC_1
10
NC_2
11
J14
USB_MINI_RECEP
J14
USB_MINI_RECEP
R53
0R-0603
R53
0R-0603
IO1A
1
G
2
IO2A
3
IO2B
4
V
5
IO1B
6
U17
USBLC6-2SC6
MANUFACTURER P/N = USBLC6-2SC6
MANUFACTURER = ST Micro.
U17
USBLC6-2SC6
MANUFACTURER P/N = USBLC6-2SC6
MANUFACTURER = ST Micro.