Figure 2-1, Product preview – Texas Instruments TMS320C6454 User Manual
Page 9
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PRODUCT PREVIEW
src2
src2
Б
Б
Б
Б
Б
Б
Б
.D1
.M1
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
.S1
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
.L1
long src
odd dst
src2
src1
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
Б
src1
src1
src1
even dst
even dst
odd dst
dst1
dst
src2
src2
src2
long src
DA1
ST1b
LD1b
LD1a
ST1a
Data path A
Odd
register
file A
(A1, A3,
A5...A31)
Б
Б
Б
Odd
register
file B
(B1, B3,
B5...B31)
Б
Б
Б
.D2
Б
Б
Б
Б
src1
dst
src2
DA2
LD2a
LD2b
src2
.M2
src1
Б
Б
Б
dst1
Б
Б
Б
.S2
src1
Б
Б
Б
Б
even dst
long src
odd dst
ST2a
ST2b
long src
.L2
Б
Б
Б
Б
even dst
odd dst
Б
Б
Б
src1
Data path B
Control Register
32 MSB
32 LSB
dst2
(A)
32 MSB
32 LSB
2x
1x
32 LSB
32 MSB
32 LSB
32 MSB
dst2
(B)
(B)
(A)
8
8
8
8
32
32
32
32
(C)
(C)
Even
register
file A
(A0, A2,
A4...A30)
Even
register
file B
(B0, B2,
B4...B30)
(D)
(D)
(D)
(D)
A. On .M unit, dst2 is 32 MSB.
B. On .M unit, dst1 is 32 LSB.
C. On C64x CPU .M unit, src2 is 32 bits; on C64x+ CPU .M unit, src2 is 64 bits.
D. On .L and .S units, odd dst connects to odd register files and even dst connects to even register files.
TMS320C6454
Fixed-Point Digital Signal Processor
SPRS311A – APRIL 2006 – REVISED DECEMBER 2006
Figure 2-1. TMS320C64x+™ CPU (DSP Core) Data Paths
Device Overview
9