Section 4 Pipelining
Rev.1.00 Dec. 13, 2005 Page 75 of 1286
REJ09B0158-0100
(1-1) BF, BF/S, BT, BT/S, BRA, BSR:
1 issue cycle + 0 to 2 branch cycles
I1
I2
(I1)
(ID)
ID
E1/S1
E2/s2
E3/s3
WB
(I2)
(1-2) JSR, JMP, BRAF, BSRF:
1 issue cycle + 3 branch cycles
I1
I2
ID
E1/S1
E2/S2
E3/S3
WB
(Branch destination instruction)
(1-3) RTS:
1 issue cycle + 0 to 3 branch cycles
I1
I2
ID
E1/S1
E2/S2
E3/S3
WB
(1-4) RTE:
4 issue 1 branch cycles
(1-5) TRAPA: 8
issue 5 1 branch cycle
It is not constant cycles to
the clock halted period.
(1-6) SLEEP: 2
issue cycles
(I1)
(ID)
(I2)
(Branch destination instruction)
(Branch destination instruction)
(I1)
(ID)
(I2)
(Branch destination instruction)
Note:
Note:
I1
I2
ID
s1
s2
s3
WB
E2s2
ID
E3s3
ID
WB
ID
(I1)
(ID)
(I2)
E1s1
I1
I2
ID
S1
S2
S3
WB
E1s1
E3s3
E2s2
E1s1
E1s1
E1s1
E1s1
E2s2
E2s2
E2s2
E2s2
E3s3
E3s3
E3s3
E3s3
WB
WB
WB
WB
E2s2 E3s3 WB
E2s2 E3s3 WB
E1s1
E1s1
(I1)
(ID)
(I2)
ID
ID
ID
ID
ID
ID
ID
WB
I1
I2
ID
S1
S2
S3
WB
E1s1
E2s2
E3s3
WB
ID
Note:
Note: The number of branch cycles may be
0 by prefetching instruction.
In branch instructions that are categorized
as (1-1), the number of branch cycles may
be reduced by prefetching.
It is 14 cycles to the ID stage in the first
instruction of exception handler.
Figure 4.2 Instruction Execution Patterns (1)
Содержание SH7780 Series
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Страница 146: ...Section 4 Pipelining Rev 1 00 Dec 13 2005 Page 96 of 1286 REJ09B0158 0100 ...
Страница 196: ...Section 6 Floating Point Unit FPU Rev 1 00 Dec 13 2005 Page 146 of 1286 REJ09B0158 0100 ...
Страница 292: ...Section 9 L Memory Rev 1 00 Dec 13 2005 Page 242 of 1286 REJ09B0158 0100 ...
Страница 450: ...Section 11 Local Bus State Controller LBSC Rev 1 00 Dec 13 2005 Page 400 of 1286 REJ09B0158 0100 ...
Страница 492: ...Section 12 DDR SDRAM Interface DDRIF Rev 1 00 Dec 13 2005 Page 442 of 1286 REJ09B0158 0100 ...
Страница 674: ...Section 15 Clock Pulse Generator CPG Rev 1 00 Dec 13 2005 Page 624 of 1286 REJ09B0158 0100 ...
Страница 692: ...Section 16 Watchdog Timer and Reset Rev 1 00 Dec 13 2005 Page 642 of 1286 REJ09B0158 0100 ...
Страница 726: ...Section 18 Timer Unit TMU Rev 1 00 Dec 13 2005 Page 676 of 1286 REJ09B0158 0100 ...
Страница 1004: ...Section 24 Multimedia Card Interface MMCIF Rev 1 00 Dec 13 2005 Page 954 of 1286 REJ09B0158 0100 ...
Страница 1032: ...Section 25 Audio Codec Interface HAC Rev 1 00 Dec 13 2005 Page 982 of 1286 REJ09B0158 0100 ...
Страница 1070: ...Section 26 Serial Sound Interface SSI Module Rev 1 00 Dec 13 2005 Page 1020 of 1286 REJ09B0158 0100 ...
Страница 1104: ...Section 27 NAND Flash Memory Controller FLCTL Rev 1 00 Dec 13 2005 Page 1054 of 1286 REJ09B0158 0100 ...
Страница 1150: ...Section 28 General Purpose I O GPIO Rev 1 00 Dec 13 2005 Page 1100 of 1286 REJ09B0158 0100 ...
Страница 1184: ...Section 29 User Break Controller UBC Rev 1 00 Dec 13 2005 Page 1134 of 1286 REJ09B0158 0100 ...
Страница 1266: ...Section 31 Electrical Characteristics Rev 1 00 Dec 13 2005 Page 1216 of 1286 REJ09B0158 0100 ...
Страница 1328: ...Appendix Rev 1 00 Dec 13 2005 Page 1278 of 1286 REJ09B0158 0100 ...
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