Hardware requirements#
Micro USB cable
EVK-MIMXRT685 board
Personal Computer
Board settings#
Prepare the Demo#
Connect a micro USB cable between the PC host and the CMSIS DAP USB port (J5) on the board
Open a serial terminal with the following settings:
115200 baud rate
8 data bits
No parity
One stop bit
No flow control
Download the program to the target board.
Launch the debugger in your IDE to begin running the demo.
Running the demo#
The log below shows the output of the clockout demo in the terminal window:
Clock Output Driver Example.
Please choose one output clock.
A -- SFRO Clock.
B -- External Clock.
C -- Low Power Oscillator Clock.
D -- FFRO Clock.
E -- Main Clock.
F -- DSP Main Clock.
G -- Main System PLL.
H -- SYSPLL0 AUX0 PLL.
I -- DSP PLL.
J -- SYSPLL0 AUX1 PLL.
K -- AUDIO PLL.
To measure the output clock signal, please use the oscilloscope to probe J27_6(P1_10).