A A
B B
1
1
2
2
3
3
TITLE:
CH340C-USB-TTL(深圳市技新电子科技有限公司)
REV:
1.0
Date: 2017-04-26 Sheet: 1/1
EASYEDA V4.4.4 Drawn By: jixin002
1uF
C3
VCC_5V VCC_3V3
VCC_5V
VCC_3V3
TXD
RXD
TXD
RXD
VCC_3V3
VCC_5V
red
LED1
blue
LED2
green
LED3
10k
R1
330R
R2
330R
R3
VCC_5V VCC_3V3
VCC_3V3
0.1uF
C5
VCC_3V3
TXD
RXD
1uF
C2
USB
P1
VCC
1
D-
2
D+
3
GND
4
GND
0
RTS
DTR
DTR
RTS
2k
R4
10k
R5
yellow
LED4
green
LED5
VCC_3V3
VCC_3V3
RTS
DTR
10uF
C1
*LED1红 LED2蓝 LED3绿 LED4黄 LED5绿
*CH340C采用3.3V供电
CH340C
U1
GND
1
TXD
2
RXD
3
V3
4
D+
5
D-
6
XI
7
XO
8
CTS#
9
DSR#
10
RI#
11
DCD#
12
DTR#
13
RTS#
14
R232
15
VCC
16
SC662K-3.3
U2
VSS
1
VOUT
2
VIN
3
0.1uF
C4
0.5A 6V
F1
1 2
0.1uF
C6
VCC_3V3
2.54-1*7P_JX
P2
1
2
3
4
5
6
7
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