Hi, I wonder what if add or mult overflow? I mean during a FIR filtering y[n] = sum_{i=0}^{M} bi * x[n-i], if overflows occur will be they notified?
The last question:
Q5.23 (Q4.23 since "MSB" is sign bit) format means 32 bit wordlength with first 4 MSBs reserved; add operations accept Q5.23 operands and give Q5.23 result; mult accepts Q5.23 operands and should return Q9.46 result or Q5.23 result if truncation of 23 LSBs and 4 MSBs is performed. How ADAU1701 performs mult, with 28 bit results or 56 bits results? And what about add?
Tnx, Regards.