User’s Manual
C166S V1 SubSystem
Central Processing Unit
User’s Manual
3-12
V 1.6, 2001-08
Table 3-6
shows a standard conditional branch (branch taken and target cached)
instruction pipeline, assuming a fast local memory (0/1 waitstates).
Table 3-6
Conditional cached branches (LM-Bus, 0/1 waitstate)
Clock Cycle
T
1
T
2
T
1
T
2
T
1
T
2
T
1
T
2
T
1
T
2
T
1
T
2
Address
I
a_t+1
Data 32bit
I
d_t+1
I
d_t+1
FETCH
I
n
I
n+1==
branch
(I
n+2
)
I
t
I
t+1
I
t+2
DECODE
I
n-1
I
n
I
n+1==
branch
I
n+1==
branch
I
t
I
t+1
EXECUTE
I
n-2
I
n-1
I
n
I
n+1==
branch
I
n+1==
branch
I
t
WRITE BACK
I
n-3
I
n-2
I
n-1
I
n
I
n+1==
branch
I
n+1==
branch
Machine Cycle
T
m
T
m+1
T
m+2
T
m+3
T
m+4
T
m+5
Содержание C166S V1 SubSystem
Страница 10: ...User s Manual C166S V1 SubSystem User s Manual I 6 V 1 6 2001 08...
Страница 16: ...User s Manual C166S V1 SubSystem Introduction User s Manual 1 6 V 1 6 2001 08...
Страница 126: ...User s Manual C166S V1 SubSystem Central Processing Unit User s Manual 3 96 V 1 6 2001 08...
Страница 178: ...User s Manual C166S V1 SubSystem Memory Organization User s Manual 4 52 V 1 6 2001 08...
Страница 206: ...User s Manual C166S V1 SubSystem Instruction Set User s Manual 5 28 V 1 6 2001 08...
Страница 306: ...User s Manual C166S V1 SubSystem Detailed Instruction Set User s Manual 6 100 V 1 6 2001 08...
Страница 362: ...User s Manual C166S V1 SubSystem The External Bus Interface User s Manual 8 40 V 1 6 2001 08...
Страница 452: ...User s Manual C166S V1 SubSystem General Purpose Timer Unit User s Manual 12 44 V 1 6 2001 08...
Страница 454: ...User s Manual C166S V1 SubSystem Instruction Index User s Manual 13 2 V 1 6 2001 08...
Страница 459: ......