MC14433 direct connection interface with 80C51

The 80C51 microcontroller has a bit processing function and can operate on data bits, so there is a corresponding bit addressing mode. The so-called bit addressing means to directly set a bit to 1 or reset it to 0 in the internal RAM or the bit-addressable special function register SFR. The range of bit addressing,

The RJM8L003 series is an ultra-low-power secure MCU based on the enhanced 80C51 core, specially designed for battery-powered IoT terminals. Rich and complete functional safety features, built-in hardware true random number generator. Integrated 12-bit high-precision successive approximation ADC, which complies with t

　　The wiring diagram of the single chip microcomputer 80c51 is shown in Figure 1. In Figure 1, the 4-digit display tube uses a common anode. Using dynamic display, the method of cyclically turning on or off each display is adopted. When the cyclic display time interval is small, due to the temporary retention characte

The LED dynamic display circuit diagram based on 80C51 is shown in the figure. The 4-digit display tube uses a common anode. Dynamic display is used to cycle on or off each display. When the cycle display time interval is small, due to the temporary retention characteristics of the human eye, the flickering phenomenon

//80C51 program——Single-chip microcomputer running light display //Blinking of LED -------------------------------------------------- ------------------ #include reg52.h       //Include reg52.h header file #define uint unsigned int      //macro defines uint data type as unsigned int sbit D1=P1^2;        //defin

//Introduce header file #include reg52.h typedef unsigned char u8; typedef unsigned int u16; //Bit definition sbit LED=P2^0; /* The delay function can pass parameters to adjust the delay time Since function calls and parameter passing require clock cycles, this delay is