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The data sheets do not explain what CDRAIN is for. I suspect it is something to do with stability but do not want to use it because I need very fast PWM. Can these parts function without CDRAIN?
Posted on June 12, 2012 at 15:06Hello, STM8L specifies 4 types of input pins (Table 34. I/O static characteristics):  - True open-drain pins (PC0 and PC1) used for I2C  - Five-volt tolerant pins (PA7 and PE0)  - 3.6 V tolerant  - Any other pins Whic...
Posted on May 25, 2012 at 23:25Hello, VREFINT is specified as 1.224V +/-20mV with VDD = 3.0V. Is there any information available on the accuracy when VDD = 1.8V? Any guidance welcome!! Kentxu. #stm8l