Page 27
VCC-3.3
R5
27
R4
27
VREF-1.8
C31
22pF
C30
22pF
X3
32.768KHz
C2
22pF
C1
22pF
X1
8MHz
E9
10uF
MOSI2-RG8
SCK2-RG6
SOSCO
SOSCI
CLKO
CLKI
SD-
CD
#
SD-CS#
MISO2-RG7
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
10
0
R
B1
1
R
B10
/A
N
10
R
B9
/A
N
9
R
B8
/A
N
8
R
B1
3
R
B1
2
RE7
RC1
RC2
RC3
RA15
SCL1/RG2
R
B1
5
R
B1
4
SDO1/RF8
SDI1/RF7
SCK1/RF6
SDA1/RG3
GN
D
VC
C
R
A6
R
G
0
R
G
1
RE
0
R
F1
R
F0
R
D
7
R
D
6
RE6
RE5
RE
2
R
G
13
R
G
12
R
G
14
RE
1
R
A7
RG8/SDO2
R
A9
/Vr
ef
-
RB1
RB2/AN2
RB3
RB4
RB5
RA13
RD9
RD8
U1RX/RF2
U1TX/RF3
GND
RG7/SDI2
RG6/SCK2
R
A1
RE
3
RE
4
RG15
VCC
R
B7
/P
G
ED
1
R
B6
/P
G
EC1
RB0
R
F4
R
F5
RA14
RA5
R
D
14
R
D
15
RA2
R
F1
3
VC
C
RA3
VCC
VC
C
RA12
RA0
VCC
GN
D
R
F1
2
RA4
GND
VCA
P
AGN
D
AV
CC
R
A1
0/
Vr
ef
+
MCLR
RC4
CLKI/RC12
CLKO/RC15
RD10
R
D
3
R
D
1
SOSCI/RC13
SOSCO/RC14
GND
R
D
2
R
D
12
R
D
13
R
D
4
R
D
5
RG9
RD11
RD0
U1
SD-CS#
R11
10K
R10
10K
VCC-MMC
R9
10K
SD-CD#
VCC-MMC
R16
27
VCC-3.3
E6
10uF
C38
100nF
FP1
FERRITE
1
2
4
5
6
7
CD
MOSI2-RG8
SCK2-RG6
MISO2-RG7
VCC-MMC
CS
Din
+3.3V
SCK
GND
Dout
CD
G
CS
Din
+3.3V
SCK
GND
Dout
CD
GN
D
CN4
C5
100nF
C6
100nF
C7
100nF
E8
10uF
VCC-3.3 VCC-3.3 VCC-3.3
VCC-3.3
C8
100nF
VCC-3.3
decoupling capacitors
Figure 6-2: microSD Card Slot module connection schematics