ST 公司的STM32TS60 是集成了I2C,SPI,UART 和USB 接口的数字电阻型多触摸屏控制器,
能同时跟踪多达10 个单独的触摸,分辨率达0.17mm,触摸屏扫描速率达125
This example shows how to update at regulate period the WWDG counter using the
Early Wakeup interrupt (EWI).
The WWDG timeout is set to 262ms, refresh window set to 41h and the EWI is