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[/] [amber/] [trunk/] - Rev 71
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- Rev 71 2013-04-28 16:56:57 GMT
- Author: csantifort
- Log message:
- Original Amber 23 core uses asyncronous implementation of register bank.
It leads to some problems with ram-based implementation of the register bank,
because at least Altera FPGAs uses syncronous ram blocks, so the whole address
needs to be latched.
The patch exposes non-registered versions of register select signals to the
register bank, so the bank can build address and latch it in the syncronous
ram input register.
The patch is a pre-requisite for ram-based register bank implementation on Altera FPGA.
Contributed by Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>