UART

Features

• Single wire half duplex mode
• Compatibility with NS16550
• Programmable prescaler
  • max division factor is up to 2^16
  • can be changed ongoing
• Programmable baud-rate generator
  • max transition rate is 2Mbps
• Fully programmable serial configuration
  • 5, 6, 7 or 8 bits data word length
  • 0 or 1 stop bits
  • odd, even, one or zero parity
• Independent transmit and receive fifo
  • 16~64 data depth
  • empty or no-emtpy status flag
• Three maskable interrupt
  • receive interrupt with programmable threshold
  • transmit empty interrupt
  • receive data parity err interrupt
• Static synchronous design
• Full synthesizable

FULL vision of datatsheet can be found in datasheet.md.

Build and Test

make comp    # compile code with vcs
make run     # compile and run test with vcs
make wave    # open fsdb format waveform with verdi