Smart Module Series
SA800U-WF_EVB_User_Guide 48 / 63
4.14. SD Card Interface
The following figure shows the simplified interface schematic for SD card interface on SA800U-WF EVB.
Table 18: SD Card Interface
SD_CMD
10 K
N
M
-5
1
K
SD_DATA3
SD_DATA2
VREG_S4A_1V8
SD_CLK
SD_DATA0
SD_DET
SD_DATA1
P1-DAT2
P2-CD/DAT3
P3-CMD
P4-VDD
P5-CLK
P8-DAT1
GND
P6-VSS
P7-DAT0
DETECTIVE
GND
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
LDO21_2V95
33 R
33 R
33 R
33 R
33 R
33 R
1 K
2
.2
u
F
1
0
p
F
LDO13_2V95
Module
R6
R
3
R
2
R
1
R7
R8
R9
R10
R11
R12
R13
D8
D7
D6
D5
D4
D3
D2
D1
C
2
C
1
SD Card Connector
U1202
N
M
-5
1
K
N
M
-5
1
K
N
M
-5
1
K
N
M
-5
1
K
R
4
R
5
Figure 48: Reference Design for SD Card Interface
U1202
10
11
8
6
9
7 5
3 2
4
1
12
13
Figure 49: Pin Assignment of SD Card Interface
RefDes.
Description
U1202
SD card connector
