S i 2 4 9 3 / 5 7 / 3 4 / 1 5 / 0 4
22
Rev. 0.6
Figure 19. USB Interface Schematic
TXD_U
RTS_R
DTR_U
USB-
USB+
RXD_U
CTS_U
DSR_U
CD_U
RI_U
USB_VCC
U11
GMS05F
5
4
1
2
3
TP19
+
C29
1.0 uF
C31
R20
4.7 k
U5
CP2101
/02
REGIN
7
VDD
6
GND
3
VBUS
8
D-
5
D+
4
CTS
23
RTS
24
RXD
25
TXD
26
DSR
27
DTR
28
DCD
1
RI
2
SUSPEND
11
SUSPEND
12
RST
9
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