Arrow DECA User Manual page 41

Figure 3-29 shows the connections between the MAX 10 FPGA and accelerometer sensor.
Signal Name
G_SENSOR_SDI
G_SENSOR_SDO
G_SENSOR_CS_n
G_SENSOR_SCLK
G_SENSOR_INT1
G_SENSOR_INT2
3.4.16 M i c r
M i c r
The board supports Micro SD card interface with x4 data lines. Through the load switches
(U25/U26) and voltage-translation transceiver (U22), user can select 1.8V or 3.3V VCCIO power of
Micro SD card to implement external storage application.
between the MAX 10 FPGA and Micro SD card socket.
Table 3-21 lists the pin assignment of Micro SD card socket to the MAX 10 FPGA.
DECA User Manual
Table 3-20 Pin Assignment of Accelerometer Sensor
FPGA Pin No.
PIN_C6
PIN_D5
PIN_E9
PIN_B5
PIN_E8
PIN_D7
o S D C a r d S
o S D C a r d S
Description
I2C serial data/SPI serial data
input/3-wire interface serial dta output
SPI serial data output/I2C less
significant bit of the device address
SPI enable, I2C/SPI mode selection: 1:
SPI idle mode/I2C communication
enabled, 0: SPI communication
mode/I2C disabled
I2C serial clock/SPI serial port clock
Interrupt pin 1
Interrupt pin 2
o c k e t
o c k e t
40
Figure 3-30 shows signals connected
I/O Standard
1.2V
1.2V
1.2V
1.2V
1.2V
1.2V
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May 22, 2015