Datasheet

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Page 31
Figure 9-2: USB module connection schematics
VCC-3.3
C31
22pF
C30
22pF
X3
32.768KHz
C2
22pF
C1
22pF
X1
8MHz
E9
10uF
SOSCO
SOSCI
CLKO
CLKI
MCU-RX MCU-TX
30 29 28 27 34 33
58
57
56
55
54
53
52
46 36 35 42 43 44 45 37 50
9
48 49
11
12
32
72
69
68
67
66
65
64
63
4
3
78 77
24
23
18
17
16
15
14
13
5
6
7
8
10
79 80
1
2
22
21
20
19
62
61
60
59
38 39 40 41 47
71
31
51
70
26
25
76
75
74
73
dsPIC33FJ256GP710A
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
RB11 RB10/AN10 RB9/AN9 RB8/AN8 RB13 RB12
RE7
RC1
RC2
RC3
RA15
SCL1/RG2
RB15 RB14
SDO1/RF8
SDI1/RF7
SCK1/RF6
SDA1/RG3
GND VCC
RA6
RG0 RG1
RE0
RF1
RF0
RD7 RD6
RE6
RE5
RE2
RG13 RG12 RG14
RE1
RA7
RG8/SDO2
RA9/Vref-
RB1
RB2/AN2
RB3
RB4
RB5
RA13
RD9
RD8
U1RX/RF2
U1TX/RF3
GND
RG7/SDI2
RG6/SCK2
RA1
RE3 RE4
RG15
VCC
RB7/PGED1
RB6/PGEC1
RB0
RF4
RF5
RA14
RA5
RD14 RD15
RA2
RF13
VCC
RA3
VCC
VCC
RA12
RA0
VCC
GND RF12
RA4
GND
VCAP
AGND AVCC RA10/Vref+
MCLR
RC4
CLKI/RC12
CLKO/RC15
RD10
RD3
RD1
SOSCI/RC13
SOSCO/RC14
GND
RD2
RD12 RD13
RD4 RD5
RG9
RD11
RD0
U1
15
16
17
18
19
20
21
22
23
24
25
26
27
281
2
3
4
5
6
7
8
9
10
11
12
13
14
VCC-USB
C28
10nF
FP2
FERRITE
MCU-RX
R51
4K7
1
2
3
4
5
GND
ID
D+
D-
VBUS
CN3
USB MINIB
USBDP
USBDM
VCC-3.3
MCU-TX
VCC-3.3
R52
10K
C34
100nF
C36
100nF
LD3
TX/RX
R53
220
TXD
DTR#
RTS#
VCCIO
RXD
RI#
GND
NC
DSR#
DCD#
CTS#
CBUS4
CBUS2
CBUS3
CBUS0
CBUS1
OSCO
OSCI
TEST
AGND
NC
GND
GND
VCC
RESET#
3V3OUT
USBDM
USBDP
FT232RL
U4
FT232RL
C5
100nF
C6
100nF
C7
100nF
E8
10uF
VCC-3.3
VCC-3.3
VCC-3.3VCC-3.3
C8
100nF
VCC-3.3
decoupling capacitors