Schematic
1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2013/7/31 Sheet of
File: C:\Users\..\PL2303 USB UART BOARD TYPE A.SchDocDrawn By:
SHEEL
5
GND
4
D-
2
D+
3
VBUS
1
SHEEL
6
USB.J
USB-B
R1 22R
R2 22R
R3
1K5
R4
1K
R5
10K
R6
10K
R7
1K
R8
1K
1 2
Y1
12M
C1
22P
C2
22P
C4
0.1uF
GND
VCC5V
GND
VCC3.3V
VCC5V
C3
0.1uF
GND
VCC5V
GND
1
2
3
4
P2 VCCIO
VCC5V
GND
D1 D2D3
RXD
TXD
TXD
RXD
RXD
TXD
VCCIO
1
2
3
J1
VCCIO
VCC5V VCC3.3V
GND
GND
GND
VCC3.3V
GND
VCC5V
GND
VCC3.3V
D-
D+
D-
D+
OSC2
OSC1
OSC2
OSC1
EE_CLK
EE_DATA
EE_CLK
EE_DATA
C6
0.1uF
GND
VCCIO
GND
VCC3.3V
PIN20 PIN17 PIN17 PIN4
VCCIO
C5
10UF
TXD
1
DTR#
2
RTS#
3
VCCIO
4
RXD
5
RI#
6
GND
7
NC
8
DSR#
9
DCD#
10
CTS#
11
SHTD#
12
EE_CLK
13
EE_DATA
14
DP
15
DM
16
3V3OUT
17
GND
18
NC
19
VCC_5
20
GND
21
GP0
22
GP1
23
NC
24
AGND
25
PLL_TEST
26
OSC1
27
OSC2
28
U1
PL2303
PIC101 PIC102
COC1
PIC201 PIC202
COC2
PIC301
PIC302
COC3
PIC401
PIC402
COC4
PIC501
PIC502
COC5
PIC601
PIC602
COC6
PID101
PID102
COD1
PID201
PID202
COD2
PID301
PID302
COD3
PIJ101PIJ102
PIJ103
COJ1
PIP201
PIP202
PIP203
PIP204
COP2
PIR101 PIR102
COR1
PIR201 PIR202
COR2
PIR301
PIR302
COR3
PIR401
PIR402
COR4
PIR501
PIR502
COR5
PIR601
PIR602
COR6
PIR701
PIR702
COR7
PIR801
PIR802
COR8
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108
PIU109
PIU1010
PIU1011
PIU1012
PIU1013
PIU1014
PIU1015
PIU1016
PIU1017
PIU1018
PIU1019
PIU1020
PIU1021
PIU1022
PIU1023
PIU1024
PIU1025
PIU1026
PIU1027
PIU1028
COU1
PIUSB0J01
PIUSB0J02
PIUSB0J03
PIUSB0J04
PIUSB0J05
PIUSB0J06
COUSB0J
PIY101
PIY102
COY1
PIR202
PIR302
PIUSB0J03
NLD0
PIR102
PIUSB0J02
NLD0
PIR502
PIU1013
NLEE0CLK
PIR602
PIU1014
NLEE0DATA
PIC102
PIC202
PIC301 PIC401 PIC502 PIC601
PID102
PIP202
PIU107
PIU1018
PIU1021
PIU1022
PIU1023
PIU1025
PIU1026
PIUSB0J04
PIUSB0J05
PIUSB0J06
PID101
PIR402
PID201
PIR702
PID301
PIR802
PIR101
PIU1016
PIR201
PIU1015
PIU102
PIU103
PIU106
PIU108
PIU109
PIU1010
PIU1011
PIU1012
PIU1019
PIU1024
PIC201
PIU1027
PIY101
NLOSC1
PIC101
PIU1028
PIY102
NLOSC2
PID302
PIP204
PIU105
NLRXD
PID202
PIP203
PIU101
NLTXD
PIC402 PIC501
PIJ101
PIR301
PIU1017
PIC302
PIJ103
PIR401 PIR501 PIR601
PIU1020
PIUSB0J01
PIC602
PIJ102
PIP201
PIR701PIR801
PIU104