User Manual
GD32350R-EVAL
28 /33
5.16.
I2S_Audio_Player
5.16.1.
DEMO Purpose
This Demo includes the following functions of GD32 MCU:
Learn to use I2S module to output audio file
GD32350R-EVAL board integrates the I2S (Inter-IC Sound) module, and the module can
communicate with external devices using the I2S audio protocol. This Demo mainly
shows how to use the I2S interface of the board for audio output.
5.16.2.
DEMO Running Result
Download the program <16_I2S_Audio_Player>. After downloading the program, insert
the earphone into the audio port J1, then listen to the audio file.
5.17.
RCU_Clock_Out
5.17.1.
DEMO Purpose
This Demo includes the following functions of GD32 MCU:
Learn to use GPIO control the LED
Learn to use the clock output function of RCU
Learn to communicate with PC by USART
5.17.2.
DEMO Running Result
Download the program <17_RCU_Clock_Out> to the EVAL board and run. Connect
serial cable to EVAL_COM, open the HyperTerminal. When the program is running,
HyperTerminal will display the initial information. Then user can choose the type of the
output clock by pressing the USER button. After pressing, the corresponding LED will be
turned on and HyperTerminal will display which mode be selected. The frequency of the
output clock can be observed through the oscilloscope by PA8 pin.
Information via a serial port output as following: