Hello everyone, I need to use a chip TMS320C5545, BGA package, ball pitch is 0.5mm. This is the first time I draw a board with such a small pitch. Since I must drill a via to lead the wire out, I feel
Based on the birth of Mr. Zhou Gang's waterproof insulated socket. The FC insulated electrical connection technology it implements is also amazing. However, the principle of its implementation is not
[img]http://www.soudoc.com/home/attachment/201001/25/254953_1264401788Snkt.gif[/img] This is a circuit to judge whether 2812 works normally after startup (output from GPIO0-PWM1). I/o1 signal is a pwm
Development of STM32 online burning programSTM32 solidifies a boot program during the chip production stage, which is used to download the program to FLASH through the USART1 interface. This brings gr