User manual
MCP3903 ADC Evaluation Board for 16-Bit MCUs User’s Guide
DS51994A-page 18 © 2011 Microchip Technology Inc.
A.4 SCHEMATIC - USB AND MEMORY
C
of
3
4
ABC DE
Filename:
Size
Title
6
A.Hapenciuc
F
4
2
1
Date:
3/18/10
B.Popescu
3
1
ABC DE
REV
F
2
Sheet
dsPIC33.SCHDOC
Eng:
3
Drawn by:
3
DateRevision Notes
M
4
+3.3V
+3.3V
+3.3V
RD13
RD6
RD7
PIC24_MCLR
GNDA
+3.3V
PIC24_MCLR
RB0/AN0
RB1/AN1
RB2/SS1/AN2
RB4/AN4
RB5/AN5
RE9/INT2
RE8/INT1
RA0/TMS
USB_SS
PIC24_MCLR
USB_SDO
USB_SDI
RC4
RC3
RC2
RE6/PMPD6
RE7/PMPD7
RE5/PMPD5
RG15
+3.3V
+3.3V
RB6/AN6/PGC
RB7/AN7/PGD
RE4/PMPD4
RE3/PMPD3
RA10/PMPA6
+3.3V
RG13
RB8/AN8
RG14
RE1/PMPD1
RB10/PMPA13
RB9/AN9
RA7
RE0/PMPD0
ENVREG
+3.3V
RG0
RG1
RA1/TCK
RF13/U2RTS
RF1
RF0
RB12/PMPA11 VDDCORE
RB14/PMPA1
RB15/PMPA0
RD6
RD5/PMPRD
+3.3V RD13
RD4/PMPWR
VDDCORE
RD15/U1RTS
RF4/PMPA9/U2RX
RD3/PMPBE
RD2
RF5/PMPA8/U2TX RD1
GNDA
+3.3V
+3.3V
RF3/U1TX
RF2/U1RX
RA2/SCL2
RA3/SDA2
RD8
RA15/INT4
RD9
RC13
RC14
+3.3V
+3.3V
3903_SDI
3903_SCK
3903_CS
3903_RESET
3903_CLKIN
+3.3V
+3.3V
GNDA
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
RG3/SDA1
RG2/SCL1
+3.3V
OSC1
OSC2
RH6
GNDA
+3.3V
+3.3V
+3.3V
GNDA
+3.3V
+3.3V
RB3/AN3
USB_SCK
+3.3V
GNDA
3903_SDO
3903_DR
100
R39
RA9/PMPA7
GNDA
GNDA
RA10/PMPA6
GNDA
GNDA
GNDA
1KR14
1KR24
RA9/PMPA7
RG12
RE2/PMPD2
RB11/PMPA12
RF12/U2CTS
RA6
ENVREG
GNDA
RB13/PMPA10
RD14/U1CTS
RD7
RD12
GNDA
0.0R26
GNDA
NONER29
GNDA GNDA
+3.3V
GNDA
RH7
GNDA
RD8
GNDA
SW4
B3S-1002P
GNDA
SW1
B3S-1002P
GNDA
1KR20
1KR31
GNDA
NONE
R25
0.0
R22
GNDA
100NF
C24
100NF
C28
GNDA
100NF
C20
100NF
C27
GNDA
2.2K
R27
18PF
C31
GNDA
GREEN
D6
SML-512MW
100NF
C14
GNDA
18PF
C32
RED
D7
GM1JR35200AE
100
R38
SW3
B3S-1002P
SW2
B3S-1002P
10K
R21
GNDA
100NF
C26
100NF
C22
100NF
C25
1
100NF
C17
1K
R37
1K
R36
GNDA
GNDA
GNDA
1MR34
3/31/10
PIC24 ICD
100NF
C11
100NF
C13
GNDA
100NF
C21
GNDA
4.7K
R23
4.7K
R30
GNDA
dsPIC33
100NF
C16
GNDA
2.2K
R28
NONE
R35
7.3728MHZ
X3
+
47UF
C23
100NF
C15
5
6
3
1
2
4
P6
HDR6X1
4.7K
R13
4.7K
R19
100NF
C29
100NF
C19
100NF
C18
MCP3903 Eval Board for 16-bit MCU
dsPIC33FJ256GP710-I/PF
Initial Schematic Design
PGD/OCFA/RB7
27
PMPA7/RA9
28
PMPD3/RE3
99
PMPD2/RE2
98
AVDD
30
RG12
96
C1OUT/AN8/RB8
32
PMPD1/RE1
94
TDO/AN11/RB11
35
CVREF/AN10/RB10
34
RA6
91
RA7
92
VDD
37
RG1
89
U2RTS/RF13
39
U2CTS/RF12
40
RF0
87
VREG
86
AN13/RB13
42
SCL2/CN16/RD7
84
PMPA0/AN15/CN12/RB15
44
PMPRD/CN14/RD5
82
CN20/RD14
47
VDD
46
IC5/RD12
79
CN19/RD13
80
U2RX/RF4
49
RD2
77
INT1/RE8
18
VSS
15
VDD
16
MCLR
13
T4CK/RC3
8
T2CK/RC1
6
RG15
1
U1TX/RF3
51
SDO1/RF8
53
SDI1/RF7
54
SDA1/RG3
56
RA2
58
TDO/RA5
61
TDI/RA4
60
OSC1/CLKI/RC12
63
VSS
65
INT3/RA14
66
IC1/RTCC/RD8
68
IC3/RD10
70
RC13
73
OC1/RD0
72
VSS
75
RA0/TMS
17
INT2/RE9
19
T3CK/RC2
7
T5CK/RC4
9
VDD
2
U1RX/RF2
52
SCL1/RG2
57
RA3
59
VDD
62
SCK1/INT0/RF6
55
INT4/RA15
67
IC2/RD9
69
IC4/RD11
71
OSC2/CLK0/RC15
64
RC14
74
AVSS
31
PGC2/RB6
26
PMPA6/RA10
29
RG14
95
RG13
97
PMPD4/RE4
100
VSS
36
C2OUT/AN9/RB9
33
TCK/RA1
38
AN12/RB12
41
RF1
88
VCAP/VDDCORE
85
RG0
90
PMPD0/RE0
93
VSS
45
PMPA1/AN14/RB14
43
CN21/RD15
48
U2TX/RF5
50
RD1
76
SS1/RD3
78
PMPWR/OC5/RD4
81
SDA2/CN15/RD6
83
PGD1/AN0/RB0
25
C2IN-/AN2/SS1/RB2
23
C2IN+/AN3/CN5/RB3
22
C1IN+/AN5/CN7/RB5
20
PMPA4/SDI2/CN9/RG7
11
PMPA5/SCK2/CN8/RG6
10
PMPD5/RE5
3
PMPD6/RE6
4
PGC1/AN1/CN3/RB1
24
PMPA2/SS2/CN11/RG9
14
C1IN-/AN4/CN6/RB4
21
PMPD7/RE7
5
PMPA3/SDO2/CN10/RG8
12
U7