Asking for advice: I have made a 16*16 LED screen, which is controlled by 89C52+74HC154. P0 and P2 ports control the rows (anode of LED). P1 port is connected to 74HC154 to control the columns (cathod
I used LM2596-12 to make a -12v power supply. The chip heated up seriously and the output was only a few tenths of a degree negative. What was the problem?
What is a time slot count? What do the hexadecimal numbers in the following code mean? _En_irq_noresp WriteSingle(&command[0], 2); } //*****************************************************************
The core is 28069+DRV8301, the JTAG interface of 14P is reserved, and the emulator is XDS100V3.0
After power-on, the chip can be downloaded and read through UniFlash, indicating that the hardware conn