SMJ320C80_15 Datasheet, PDF (55/158 Pages) Texas Instruments – DIGITAL SIGNAL PROCESSOR

SMJ320C80
DIGITAL SIGNAL PROCESSOR
SGUS025B -- AUGUST 1998 -- REVISED JUNE 2002
PP opcode formats (continued)
Table 14 summarizes the supported parallel-transfer formats and indicates whether the transfers are local or
global. It also lists the allowed ALU operations and states whether conditions and status protection are
supported.
Table 14. Parallel-Transfer Format Summary
FORMAT
ALU
OPERANDS
dst1 src1
Double parallel
D
D
Move || Local
D
D
Field move || Local
D
D
Global (long offset)
D
D
Local (long offset)
D
D
Non-D DU || Local
Any Any
Conditional move
D
D
Conditional field move D
D
Conditional global
D
D
Conditional non-D DU Any Any
32-bit imm. base ALU Any Lower
Legend:
DU Data unit
AUA Address unit arithmetic
s/d Source/destination register
Rel Relative addressing support
Cond
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Status
Protection
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
GLOBAL TRANSFER
Move
src → dst
Load/Store/AUA
s/d Index Rel
—
Lower X/short No
Any→Any —
—
—
D→Any
—
—
—
—
Any X/long Yes
—
—
—
—
—
—
—
—
Any→Any —
—
—
D→Any
—
—
—
—
Any X/short Yes
—
—
—
—
—
LOCAL TRANSFER
Load/Store/AUA
s/d Index Rel Port
D X/short No Local
D X/short Yes Local
D X/short No Local
—
—
—
—
Any X/long Yes Global
D X/short Yes Global
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77251--1443
55