M3S9B92-EBZ20T

1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows:  The output is as follows:  It can...[Details]

We have come a long way from the 2G era, and now 5G is about to be commercialized. Suddenly, we realize that time has passed quickly, but technology has never stopped. The activation of 5G heralds ...[Details]

Recently, there was news that the US government asked Google to shut down the Android operating system for ZTE phones. After that, some people even imagined what the consequences would be if Intern...[Details]

1. About FPU transplantation As long as the chip has FPU function, the use of FPU is generally enabled by default. You can also select it in the Options tab;  2. About the transplantation of DSP li...[Details]

Overview Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]

What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]

In recent years, the application of high-brightness LED has developed rapidly, especially in signboards and traffic lights. For automotive applications, LED is also very attractive. Long life, shock ...[Details]

According to the description provided in the official manual of ST, it is not difficult to see that the ADC analog watchdog is actually that the user can set an upper and lower limit of the AD value...[Details]

Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]

STM32 Watchdog Summary I have been adjusting the development board of Atom Brother for more than a year, and it is basically usable, but I still don't understand the working mechanism of some basi...[Details]

The storage media corresponding to the three boot modes of STM32 are built-in to the chip, they are:  1. User Flash = Flash built into the chip   2.SRAM = RAM area built into the chip, which is the m...[Details]

When the program starts running, light A turns on for 5 seconds, then turns off, light B turns on for 5 seconds, light B turns off, light C turns on for 5 seconds, light C turns off, the program ends...[Details]

/*-----------------------------------------------     Name: Two-color dot matrix     Forum: www.doflye.net     Written by: shifang     Modification: None     Content: Using hc595 to drive two-color d...[Details]

Program ideas and defects reference: 51 single chip microcomputer (AT89C52) matrix keyboard detection program #include iom16v.h   typedef unsigned char uchar;   typedef unsigned int uint;   #define ...[Details]

The single-chip microcomputer running light program requires all 32 serial ports to be used, and each serial port has eight LEDs.  Question supplement: The 8051 single-chip microcomputer is used, an...[Details]