1-12-5
P-ON+3.3V
SDCLK
SDDAT0
SDDAT3
GND
GND
CMD
SDDAT2
SDDAT1
CD
WP
CN1405
1
2
3
4
5
6
7
8
9
10
11
9
SDDAT1
SDDAT0
CN1404
1
SDDAT2
COM
7
CMD
6
4
D+3.3V
8
3
GND
11
C1401
0.1
GND
10
5
CD
SDCLK
SDDAT3
2
12 WP
R1410
33
C1406
33P
R1411
33
R1412
33
R1409
33
CN1402
4
1
3
2
GND
BUS-POWER
USBDN
USBDP
2
4
CN1401
1
3
GND
USBDP
USBDN
BUS-POWER
R1404
0
1
2
(SD CARD SLOT)
SD CBA
A
B
C
TO BD MAIN CBA
UNIT CN6401
TO BD MAIN CBA
UNIT CN6405
WIRELESS
LAN MODULE
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
0
0
0
5.1
E5W21SCSD
SD Schematic Diagram