/*!
\file readme.txt
\brief description of the CTC trim internal 48MHz RC oscillator with LXTAL clock
*/
/*
Copyright (C) 2017 GigaDevice
2017-06-06, V1.0.0, firmware for GD32F3x0
*/
This example is based on the GD32350R-EVAL board, it shows CTC is used to trim internal
48MHz RC oscillator with LXTAL clock.
If the clock trim is OK,led1 will be on.