ZC706 Evaluation Board User Guide
30
UG954 (v1.5) September 10, 2015
Feature Descriptions
shows the connections of the SD card interface on the ZC706 evaluation board.
lists the SD card interface connections to the XC7Z045 AP SoC
X-Ref Target - Figure 1-8
Figure 1-8:
SD Card Interface
UG954_c1_08_041113
GND
GND
GND
IOGND2
GNDTAB1
GNDTAB2
GNDTAB3
CMD
VSS1
CLK
VSS2
DAT0
DAT1
DAT2
CD_DAT3
DETECT
VDD
PROTECT
DETECT_PROTECT
GNDTAB4
IOGND1
SDIO_SDWP
8
SDIO_SDDET
8
1
2
5%
1/10W
4.7 K
Ω
R29
2
1
R28
4.7 K
Ω
1/10W
5%
VCCP1V8
18
13
14
15
2
3
5
6
7
8
9
1
10
4
11
12
16
17
J30
67840-8001
22
SDIO_CLK
VCC3V3_PS
1
2
C41
0.1
μ
F
25V
X5R
SDIO_DAT2
22
SDIO_DAT0
22
22
SDIO_DAT1
SDIO_CD_DAT3
22
22
SDIO_CMD
Table 1-10:
SDIO Connections to the XC7Z045 AP SoC
XC7Z045 (U1) Pin
Schematic
Net Name
Level Shifter (U11)
SDIO Connector (J30)
Pin Name
Bank
Pin
Number
1.8V Side
Pin
3.3V Side
Pin
Pin
Number
Pin
Name
PS_MIO15
500
C22
SDIO_SDWP
N/A
N/A
11
PROTECT
PS_MIO14
500
B22
SDIO_SDDET
N/A
N/A
10
DETECT
PS_MIO41
501
J18
SDIO_CMD_LS
4
20
2
CMD
PS_MIO40
501
B20
SDIO_CLK_LS
9
19
5
CLK
PS_MIO44
501
E20
SDIO_DAT2_LS
1
23
9
DAT2
PS_MIO43
501
E18
SDIO_DAT1_LS
7
16
8
DAT1
PS_MIO42
501
D20
SDIO_DAT0_LS
6
18
7
DAT0
PS_MIO45
501
H18
SDIO_CD_DAT3_LS
3
22
1
CD_DAT3