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uart: add support for REF_TICK

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Ivan Grokhotkov
2017-08-21 22:30:23 +08:00
parent bfeecd2b56
commit fba9678c56
4 changed files with 43 additions and 18 deletions
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components/soc/esp32/include/soc/soc.h
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@@ -266,6 +266,7 @@
#define CPU_CLK_FREQ_ROM APB_CLK_FREQ_ROM
#define CPU_CLK_FREQ APB_CLK_FREQ
#define APB_CLK_FREQ ( 80*1000000 ) //unit: Hz
#define REF_CLK_FREQ ( 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