beautypg.com

Mapping between instruction and functional unit, Appendix a, Appendix b – Texas Instruments TMS320C67X/C67X+ DSP User Manual

Page 428

background image

B-1

Mapping Between Instruction and Functional Unit

SPRU733

Appendix A

Mapping Between Instruction and

Functional Unit

Table B−1 lists the instructions that execute on each functional unit.

Table B−1. Functional Unit to Instruction Mapping

Functional Unit

Instruction

.L Unit

.M Unit

.S Unit

.D Unit

ABS

n

ABSDP

n

ABSSP

n

ADD

n

n

n

ADDAB

n

ADDAD

n

ADDAH

n

ADDAW

n

ADDDP

n

n

§

ADDK

n

ADDSP

n

n

§

ADDU

n

ADD2

n

AND

n

n

S2 only

D2 only

§

C67x+ DSP-specific instruction

Appendix B