1. GPxMUX register (function selection register)
Each I/O port has a function select register, which is mainly used to select whether the I/O works in special function or general array I/O mode. At re...
In FPGA design, embedded processor soft cores (such as MicroBlaze, PicoBlaze, etc.) are used to form a programmable system on chip (SOPC). Compared with ASIC, it has better modifiability and maintaina...
Is the LTE Cat 1 module like the GPRS module, which can be used by simply inserting a common SIM card? Or does it require the cooperation of the operator to activate it like the NB-IOT module?...
How to use gpio32 and gpio33 as UART? Now I can only find one serial port in /dev, serial0, which is the serial port corresponding to GPIO14 and 15. I can't find the corresponding one for 32 and 33, a...
The concept of synchronization
Synchronization technology is a very important technology in digital communication systems. Generally speaking, digital communication systems must implement multiple syn...