Schematic

MICRO-SD_CARD_SOCKET
3.3V
3.3V 3.3V
GND
GND
GND
GNDGND
GND GNDGNDGNDGND
3.3V3.3V3.3V3.3V3.3V3.3V
3.3V
3.3V
3.3V
3.3V3.3V 3.3V
GND
1
VUSB
2
VBAT
3
GND
4
3V3
5
RST
6
13
7
12
8
14
9
27
10
26
11
25
12
35
13
34
14
33
15
32
16
39
17
38
18
37
19
36
20
GND
40
VUSB
39
VBAT
38
GND
37
3V3
36
16
35
17
34
4
33
0
32
2
31
15
30
5
29
18
28
23
27
19
26
22
25
RX
24
TX
23
21
22
GND
21
J2
CS
DI
GND
VCC
SCK
RSV
DO
RSV
SHIELD SHIELD
CD1
CD2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
GND
19*2
C1
24
CAP
21
DEN_A/G
13
INT_M
10
DRDY_M
9
INT1_A/G
11
INT2_A/G
12
VDD
22*2
VDDIO
1*2
CS_M
8
CS_A/G
7
SCL/SPC
2
SDO_M
6
SDO_A/G
5
SDA/SDI/SDO
4
RSVD
14*5
1
2
3
4
3
2
1
INT1_A/G
INT2_A/G
DEN_A/G
DRDY_M
INT_M
v10
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