Functional Block Diagram Of Tms320C67X Based On Pipeline Phases - Texas Instruments TMS320C6000 Series Reference Manual

Pipeline Operation Overview
Figure 6–7. Functional Block Diagram of TMS320C67x Based on Pipeline Phases
Fetch
LDDW
LDDW
LDDW
LDDW
Decode
32
LDDW
ADDSP CMPLTSP
Execute
ADDSP ABSSP
.L1 .S1
15 14 13 12 11 10 9
Register file A
32
Data address 1
6-10
Figure 6–7 shows a 'C67x functional block diagram laid out vertically by
stages of the pipeline.
SUB ADDSP
SUBSP
SUBSP ADDSP
ZERO
ADDSP ADDSP
MV
SUB ADDSP SUBSP
32 32
ZERO
SUBSP ADDSP
MPYSP LDDW
MPYSP
LDDW
.M1 .D1
8 7 6 5 4 3 2 1
Data 1 32
Data memory interface control
16
0 1
8 9
Internal data memory
(byte addressable)
256
MPYSP
MPYSP
MPYSP
MPYSP
MPYSP
MPYSP
MPYSP MPYSP
32 32
MPYSP MPYSP CMPLTSP
.D2
32
0 15 14 13 12
32
16 16
2 3 4 5 6
MVK ABSSP
CMPLTSP B
ABSSP CMPLTSP
MVK
ABSSP
32 32 32
B
MPYSP
ABSSP
MPYSP
.M2 .S2
11 10 9 8 7 6 5 4
Register file B
Data 2
16
7
Data address 2
PG
PS
PW
PR
DP
ADDSP
DC
SUBSP
E1
.L2
3 2 1 0
32