Viterbi, Complex Math, CRC Unit
11 - 4 C2000 Microcontroller Workshop - Viterbi, Complex Math, CRC Unit
VCU Instructions
Same instruction format as the C28x and
C28x+FPU
Destination operand is always on the left
Same mnemonics as C28x and FPU but with a
leading “V”
CPU: MPY ACC, T, loc16
FPU: MPYF32 R0H, R1H, R2H
VCU: VCMPY VR3, VR2, VR1, VR0
Destination Source Operands
Enabling VCU Support in CCS
Set the “Specify VCU support” project option to ‘vcu0’
When creating a new CCS project, choosing a device
variant that has the VCU will automatically select this
option, so normally no user action is required
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