Reset Sources; Audio - ST STM32F7308-DK User Manual

UM2469
7.7

Reset sources

The reset signal of the STM32F7308-DK board is active low and the reset sources include:
•
Reset button B2
• Arduino Uno V3 shield board from CN12
•
Embedded ST-LINK/V2-1
7.8

Audio

An audio codec WM8994ECS/R from CIRRUS with 4 DACs and 2ADCs is connected to SAI
interface of STM32F730I8K6. It communicates with STM32F730I8K6 via I
•
The analog line input is connected to ADC of WM8994ECS/R through blue audio jack
CN4
•
The analog line output is connected to DAC of WM8994ECS/R via green audio jack
CN5
•
Two external speakers can be connected to WM8994ECS/R via CN10 for left speaker
and CN7 for right speaker
• Four digital microphones (ST-MEMS microphone) MP34DT01TR are on the
STM32F7308-DK board. They are connected to input digital microphones of
WM8994ECS/R
UM2469 Rev 1
Hardware layout and configuration
2
C bus:
19/59
58