Subversion Repositories amber

Last modification

• Rev 73 2013-04-28 17:14:34 GMT
• Author: csantifort

• Log message:

  The patch introduces a new configuration option `A23_RAM_REGISTER_BANK,
  which controls instantiation of Amber 23 register bank.
  If the option is set, a ram-based variant of the register bank is instantiated.
  It can be useful in low-end FPGA designs, where flipflops and muxes are costly.
  
  Altera Cyclone III resource utilization:
  - flipflop-based register bank: 1583 combinationals + 856 registers
  - ram-based register bank: 268 combinationals + 156 registers
  
  Contributed by Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>