Can system clock source be selected from an external crystal (HXT) in MS51 series? Issue Date：2021-11-09

Whether all GPIOs can be set to wake up the system from power-down or idle mode? Issue Date：2021-09-10

What are the differences between UCID, UID and PDID? Issue Date：2021-09-01

How to implement a Software Reset or a CPU Reset to have a shorter reset time than hardware reset methods? Issue Date：2021-09-01

How to solve the FILE DOES NOT EXSIT error when compiling in Keil? Issue Date：2021-04-26

Can the internal reference voltage be greater than the operation voltage? Issue Date：2020-02-26

How to generate an accurate delay time? Issue Date：2020-02-07

How to keep the status of SRAM and do not initialize it when chip is reset? Issue Date：2020-02-07

How to print the value of SFR when SFR and SBUF are on the different SFR pages? Issue Date：2020-04-13

How to estimate the total ADC conversion time? Issue Date：2020-04-13