參數(shù)資料
型號(hào)： MPC7450RX667LX
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 667 MHz, RISC PROCESSOR, CBGA483
封裝： 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM PITCH, CERAMIC, BGA-483
文件頁(yè)數(shù)： 23/60頁(yè)
文件大?。?/td> 1296K
代理商： MPC7450RX667LX
MPC7450 RISC Microprocessor Hardware Specifications
3
Overview
Figure 1. MPC7450 Block Diagram
+
Int
ege
r
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ser
vati
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ege
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Addit
ional
F
e
a
tures
T
ime
Ba
s
e
C
ount
er/Decr
e
menter
Cloc
k
M
ult
iplier
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T
A
G
/C
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I
n
te
rf
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e
Therm
al/
P
ower
Managem
ent
P
e
rformanc
e
M
onit
or
+
x
÷
FP
SC
R
FP
SC
R
PA
+
x÷
In
str
ucti
on
Uni
t
Ins
truc
tion
Q
ueu
e
(12-
Wo
rd)
3In
stru
ctio
ns
Re
ser
vat
ion
I
n
te
ger
12
8-B
it(4
In
stru
ctio
ns)
32
-Bit
F
loa
ting
-
P
o
in
tUn
it
64-
Bit
Rese
rvat
ion
L
o
ad
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re
Un
it
(EA
C
al
cul
at
io
n)
Fin
ishe
d
32-
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Co
mp
leti
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Uni
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Co
mp
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(16-
Ent
ry)
Ta
gs
32
-Kb
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Ca
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L3
Ca
che
C
ontr
olle
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ystem
B
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In
terface
3
6-B
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ddr
ess
Bu
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6
4-B
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ata
Bu
s
1
8-B
it
6
4-B
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ata
Int
ege
r
Sta
tion
s(2
)
Re
ser
vati
on
S
tatio
n
Re
se
rv
at
io
n
St
atio
ns
(2)
F
P
R
File
16
Ren
am
e
Bu
ffer
s
St
ati
o
n
s(2-E
nt
ry)
GP
R
F
ile
16
Re
nam
e
B
uffe
rs
Re
ser
vati
on
S
tatio
n
VR
Fi
le
16
Ren
am
e
Bu
ffe
rs
64-
Bit
1
28-
Bit
12
8-B
it
C
om
plet
es
up
to
t
hree
in
stru
ctio
ns
per
clo
ck
Co
mp
lete
d
Ins
truc
tio
n
M
U
SRs
(S
ha
do
w)
12
8-En
try
IBA
T
A
rra
y
IT
L
B
Tag
s
32
-Kb
yte
ICac
he
Sto
res
Sto
res
Lo
ad
Mis
s
Vec
tor
Tou
ch
Que
ue
(3
)
VR
Iss
ue
F
P
R
Iss
ue
Bra
nch
Pr
oce
ss
ing
Un
it
CT
R
LR
B
T
IC
(12
8-E
nt
ry)
B
H
T
(2
04
8-E
nt
ry)
Fe
tche
r
G
P
R
Iss
ue
(6
-En
try/
3-Is
sue
)
(4
-En
try/
2-Is
sue
)
(2-E
ntry
/1-I
ssu
e)
D
ispa
tch
Un
it
25
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y
te
U
nif
ied
L2
Cac
he
/Ca
che
Co
ntr
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r
Dat
aM
M
U
SR
s
(O
rigi
nal)
128
-E
ntry
DB
AT
Arra
y
DT
LB
Vect
or
Tou
ch
Eng
ine
32
-Bit
EA
L1
Ca
sto
ut
S
tat
us
L2
Sto
re
Qu
eue
(L
2SQ
)
E
xt
er
na
lSR
AM
L3
CR
(8
-B
itP
arity
)
Ad
dre
ss
Ve
cto
r
FP
U
Re
ser
vati
on
S
tatio
n
Re
se
rv
at
io
n
Sta
tion
Re
se
rv
at
io
n
Sta
tion
Vec
tor
In
teg
er
U
nit
1
Ve
cto
r
Int
ege
r
Uni
t2
Ve
cto
r
P
erm
ut
e
U
nit
Line
S
tat
us
Ta
gs
Bu
sA
ccu
mu
la
to
r
Ta
gs
B
lock
0
(32
-By
te)
St
atus
B
lock
1
(32
-By
te)
B
loc
k0
/1
Lin
e
Me
mo
ry
S
u
b
sys
tem
L
1L
oad
Qu
eu
e(L
LQ
)
L1
Lo
ad
Mis
s(5
)
Ca
che
ab
le
S
tor
e
In
stru
ctio
nF
etch
(2
)
Re
qu
est
(1)
L
1S
erv
ice
Qu
eue
s
S
noo
p
P
u
sh
/
Inte
rve
ntio
ns
L1
St
ore
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eue
L
1C
asto
uts
P
ush
C
ast
out
Qu
eu
e
B
us
Sto
re
Q
ue
L2
Pr
efe
tch
(3)
B
us
Ac
cum
ula
tor
(1
or
2
Mby
tes
)
(L
SQ)
L1
Pu
sh
(4
)
(9
)
Uni
t2
Uni
t1
相關(guān)PDF資料
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