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uart: bringup on esp32c3

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Armando
2020-11-26 14:13:49 +08:00
committed by Angus Gratton
parent 076be2b480
commit d393699ab6
4 changed files with 84 additions and 23 deletions
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2
components/soc/esp32c3/include/soc/soc.h
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@@ -196,6 +196,8 @@
#define APB_CLK_FREQ ( 80*1000000 )
#endif
#define REF_CLK_FREQ ( 1000000 )
#define RTC_CLK_FREQ (20*1000000)
#define XTAL_CLK_FREQ (40*1000000)
#define UART_CLK_FREQ APB_CLK_FREQ
#define WDT_CLK_FREQ APB_CLK_FREQ
#define TIMER_CLK_FREQ (80000000>>4) //80MHz divided by 16