参数资料
型号: IBM25PPC750GXEBB2532T
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 800 MHz, RISC PROCESSOR, CBGA292
封装: 21 X 21 MM, 1 MM PITCH, CERAMIC, BGA-292
文件页数: 53/74页
文件大小: 1054K
代理商: IBM25PPC750GXEBB2532T
Datasheet
DD1.X
IBM PowerPC 750GX RISC Microprocessor
750GX_ds_body.fm.SA14-2765-02
September 2, 2005
System Design Information
Page 57 of 73
T
abl
e
5
-6
.
Inp
ut/O
ut
put
U
s
a
ge
7
50G
X
S
ignal
Nam
e
Act
ive
Level
Input
/
Ou
tp
u
t
Us
age
G
roup
Input
/O
u
tput
wit
h
In
te
rnal
P
u
llup
Resist
ors
Le
vel
P
rot
ec
t
Required
Ext
e
rnal
R
e
si
st
or
Com
m
ent
s
N
ot
es
A1
V
DD
Powe
rS
upply
A2
V
DD
Powe
rS
upply
A
[0:
31]
High
Input
/O
u
tput
Addres
s
B
u
s
K
eeper
4
A
CK
Low
Input
Ad
dress
T
e
rminat
ion
K
eeper
Mus
tbe
a
c
ti
ve
ly
drive
n
4,
AB
B
Low
Input
/O
u
tput
K
eeper
5
K
Pullup
required
t
o
O
V
DD
4,
AG
ND
Powe
rS
upply
AP[
0:
3
]
High
Input
/O
u
tput
K
eeper
4
AR
T
R
Y
Low
Input
/O
u
tput
Ad
dress
T
e
rminat
ion
K
eeper
5
K
Pullup
required
t
o
O
V
DD
4,
BG
Low
Input
A
ddress
Ar
bit
rat
ion
K
eeper
Ac
ti
ve
driver
or
pull
d
o
w
n
,4,
BR
Low
O
u
tput
A
ddress
Ar
bit
rat
ion
K
eeper
Chip
a
c
ti
vely
drive
s
5
B
V
S
E
L
N
/A
Input
Mode
Select
/C
ont
rol
5
K
Pullup/
pull
dow
n,
as
required
CH
E
C
K
S
T
O
P
Low
O
u
tput
In
te
rrupt
/R
es
et
s
K
eeper
5
K
Pullup
required
t
o
O
V
DD
4,
CI
Low
O
u
tput
T
rans
fe
rAt
tr
ib
u
tes
K
eeper
3,
CK
S
T
P
_
IN
Low
Input
In
te
rrupt
/R
es
et
s
K
eeper
Mus
t
be
a
c
ti
ve
ly
drive
n
5
CLK
_
O
U
T
High
O
u
tput
K
eeper
4
DB
B
Low
Input
/O
u
tput
K
eeper
5
K
Pullup
required
t
o
O
V
DD
4,
DB
DI
S
Low
Input
Mode
Select
/C
ont
rol
K
eeper
4,
DB
G
Low
Input
Dat
a
A
rbit
rat
ion
K
eeper
Ac
ti
ve
driver
or
t
ie
l
o
w
,4,
No
te
s:
1.
D
epends
on
the
s
yst
em
design.
T
he
el
e
c
tr
ic
al
char
act
e
rist
ic
s
of
t
he
750G
X
do
not
add
addit
ional
const
raint
s
t
o
t
he
sys
te
m
des
ign,
s
o
wh
at
eve
r
is
done
wi
th
t
he
net
will
de
pend
on
t
he
sy
st
e
m
requiremen
ts.
2.
H
R
ES
ET
,S
R
ES
ET
,and
T
R
ST
are
signals
used
f
o
rRI
SCW
a
tc
h
to
e
nabl
e
proper
operat
ion
of
the
de
buggers.
Logica
lAND
gat
es
s
hould
be
placed
bet
ween
t
hes
e
s
ign
a
ls
an
d
t
he
I
B
M
P
o
werP
C
750G
X
RI
SC
Micr
oproces
sor
(see
.
3.
T
he
750GX
provides
protection
from
me
ta
-s
tabilit
y
on
i
npu
ts
t
h
rough
the
u
s
e
of
a
“k
eeper”
circuit
on
spec
if
ic
inputs
(see
f
o
r
a
more
det
ai
led
de
script
ion).
4.
If
a
sys
te
m
design
requires
a
signal
level
t
o
be
maint
a
ined
while
not
be
ing
a
c
ti
ve
ly
driven,
an
ex
te
rnal
res
is
tor
o
rdevice
m
ust
be
used
(keepers
assu
re
no
me
ta
-s
tabilit
y
of
input
s
but
do
not
guarant
ee
a
level).
5.
T
he
750G
X
does
not
require
ext
e
rnal
pullups
on
address
and
dat
a
li
n
e
s.
Cont
ro
llines
mus
t
be
t
reat
ed
individually.
6.
M
ode
Select
/C
on
tr
ol
pi
ns
r
equi
re
t
he
pr
oper
s
tat
e
at
HRES
E
T
to
c
onf
igure
t
he
opera
ting
m
ode
of
t
he
proce
ssor
(see
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