The PC16550D is an improved version of he original 16450 USRT functionally identical to 16450 on powerup (Character Mode). The PC16550D can be put into an alternative mode, (FIFO mode) to relieve the CPU of excessive software overhead.
The PC16550D is an improved version of he original 16450 USRT functionally identical to 16450 on powerup (Character Mode). The PC16550D can be put into an alternative mode, (FIFO mode) to relieve the CPU of excessive software overhead.
i want to know what is difference between pc16550 and 16550A
chip?