This is a 51 MCU program, CY is the overflow flag of register A: void writex(uchar j){ uchar i,temp; temp=j; for (i=0;i<8;i++){ temp=temp<<1; scl=0; flash(); sda=CY; flash(); scl=1; flash(); //???????...
1. Both filters are digital filters. According to the difference in impulse response, digital filters are divided into finite impulse response (FIR) filters and infinite impulse response (IIR) filters...
On the ST disco board, mems microphones frequently appear, one on the stm32F4DISCO, two on the stm32F746DISCO, and four on the stm32F769! ! As our sensorTile focuses on low power consumption and does ...
Is the amplitude-frequency characteristic of a bandpass filter symmetrical about the center frequency? Looking at the amplitude-frequency characteristic curve of a bandpass filter, the amplitude seems...