Texas Instruments TMS320C67X/C67X+ DSP User Manual

Page 88

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Resource Constraints

Instruction Set

3-28

SPRU733

MPYI

A 4-cycle instruction cannot be scheduled on that func-

tional unit on cycle i + 4, i + 5, or i + 6.
A MPYDP instruction cannot be scheduled on that func-

tional unit on cycle i + 4, i + 5, or i + 6.
A MPYSPDP instruction cannot be scheduled on that

functional unit on cycle i + 4, i + 5, or i + 6.
A MPYSP2DP instruction cannot be scheduled on that

functional unit on cycle i + 4, i + 5, or i + 6.
A multiply (16 × 16-bit) instruction cannot be scheduled

on that functional unit on cycle i + 6 due to a write hazard

on cycle i + 7.

MPYID

A 4-cycle instruction cannot be scheduled on that func-

tional unit on cycle i + 4, i + 5, or i + 6.
A MPYDP instruction cannot be scheduled on that func-

tional unit on cycle i + 4, i + 5, or i + 6.
A MPYSPDP instruction cannot be scheduled on that

functional unit on cycle i + 4, i + 5, or i + 6.
A MPYSP2DP instruction cannot be scheduled on that

functional unit on cycle i + 4, i + 5, or i + 6.
A multiply (16 × 16-bit) instruction cannot be scheduled

on that functional unit on cycle i + 7 or i + 8 due to a write

hazard on cycle i + 8 or i + 9, respectively.

MPYDP

A 4-cycle instruction cannot be scheduled on that func-

tional unit on cycle i + 4, i + 5, or i + 6.
A MPYI instruction cannot be scheduled on that function-

al unit on cycle i + 4, i + 5, or i + 6.
A MPYID instruction cannot be scheduled on that func-

tional unit on cycle i + 4, i + 5, or i + 6.
A multiply (16 × 16-bit) instruction cannot be scheduled

on that functional unit on cycle i + 7 or i + 8 due to a write

hazard on cycle i + 8 or i + 9, respectively.

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