Datasheet

Evaluation Board User Guide UG-191
Rev. 0 | Page 11 of 24
09346-015
SPI
SPI CIRCUITRY
R312R311
R310
4 6
5 2
3 1
U301
C301
R308R309
R305
R302 R303
R304
R301
C302
4 6
5 2
3 1
U302
R306R307
USB_SDO
00
CSB_DUT_1P8
SCLK_DUT_1P8
NC7WZ16P6X
NC7WZ07P6X
SDIO_DUT
100K
DNI DNI
DNI
SCLK_DUT CSB_DUT
0
SDIO_DUT_1P8
USB_SCLK
100K 100K
1.1K
SPI_DVDD
1.1K
3.3V_CLK
SPI_DVDD
USB_SDI
USB_CSB
10K10K
0.1UF
10K
0.1UF
1.1K
GND
VCC
Y1A1
A2
GND
Y2
GND
GND
GND
GND
GND
Y2 Y1
A2 A1
GND VCC
GND
GND
Figure 15. SPI Interface Circuit