XE-A203U/XE-A203A
CIRCUIT DIAGRAM AND PWB LAYOUT
– 18 –
#9
#2
14Pin : VCC
#4
#3
7Pin : GND
G:6pin
#7
14Pin : VCC3
#10
#13
#5
#8
D:2,3,4,5pin
7Pin : GND
S:1pin
#1
#11
#6
SD Card Pin Layout
#12
WP
GND
COMMON
CD
NOT INSTALL
NOT INSTALL
NOT INSTALL
NOT INSTALL
/SD_POW
1
SD_RXD
1
/SD_WP
1
/SD_CS
1
/SD_CD
1
SD_TXD
1
SD_CLK
1
/SD_POW
1
/SD_POW
1
/SD_PO
W
1
VCC
VCC3
VCC3
VCC3
VCC
VCC3
VCC
VCC3
VCC3
VCC3
IC16C
74HCT04
5
6
14
7
C63
0.1uF
+
C56
1uF/50V
1
2
IC16A
74HCT04
1
2
14
7
Q9
HAT1089C
6
2
1
3
4
5
R111
10K
IC16D
74HCT04
9
8
14
7
R112
10K
C57
1uF
C61
0.1uF
IC17B
74LV125
5
6
14
4
7
R119
3
3
R104
100K
C60
100pF
R117
100K
C62
100pF
+
C66
100uF/50V
1
2
IC17A
74LV125
2
3
14
1
7
IC16B
74HCT04
3
4
14
7
R109
10K
C64
1000pF
C59
100pF
R113
100K
IC17C
74LV125
9
8
14
10
7
IC16E
74HCT04
11
10
14
7
IC16F
74HCT04
13
12
14
7
R116
100K
C65
1000pF
R110
51
R118
3
3
C58
100pF
IC17D
74LV125
12
11
14
13
7
R114
100K
CN9
ALPS SCDA2A0300
1
2
3
4
5
6
7
8
9
10
11
12
13
CS
DI
VSS
VDD
SCLK
VSS2
DO
RSV
RSV
CD
SW
WP
GND
R115
100K
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
4/4
SD CARD CIRCUIT