3 Development Board Circuit
3.10 Mic
DBUG391-1.0E
18(20)
3.10
Mic
There are two Mics left on the development board for audio data
acquisition.
Table 3-8 Mic Pinout
Name
Pin No.
BANK
Description
I/O Level
MIC_SD
13
3
Write protection input
1.8V
MIC_SCK
14
3
Data output
1.8V
MIC_WS
15
3
Chip select signal
1.8V
3.11
Accelerometer
There is one Accelerometer left on the development board for
acceleration data acquisition.
Figure 3-7 Accelerometer Connection Circuit
Table 3-9 Accelerometer Pinout
Name
Pin No.
BANK
Description
I/O Level
SDA
46
1
I2C serial interface data
3.3V
SCL
44
1
I2C serial interface clock
3.3V
