ics9248-90 ETC-unknow, ics9248-90 Datasheet - Page 5

• Manufacturer Part Number: ics9248-90
• Description: Single Clock, Supports 66.6 150mhz
• Manufacturer: ETC-unknow

Byte 1: CPU, Active/Inactive Register (1 = enable, 0 = disable)
Notes:
1. Inactive means outputs are held LOW and are disabled from switching.
2. Latched Frequency Selects (FS#) will be inverted logic load of the input frequency select pin conditions.
Byte 2: PCI Active/Inactive Register (1 = enable, 0 = disable)
Byte 3: SDRAM Active/Inactive Register (1 = enable, 0 = disable)
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
t i
t i
t i
t i
t i
t i
t i
t i
B
B
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
7
6
5
4
3
2
1
0
7
6
5
4
3
2
0
7
6
5
4
3
2
1
0
1
2
3
3
, 1
, 2
, 8
P
0 2
1 3
7 3
P
P
n i
6 2
5 2
n i
4 1
2 1
0 1
n i
0 4
3 4
4 4
1 1
-
-
-
1 ,
3 ,
2 ,
7
8
-
-
-
-
-
-
-
#
, 8
, 9
, 5
#
#
7 1
8 2
4 3
P
P
P
W
W
X
X
W
X
X
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
D
D
M
L
8 4
4 2
R (
S
S
S
D
D
D
L
L
R (
R (
S
R (
C
C
t a
R (
R (
O
P
P
P
P
P
P
s e
M
D
t a
t a
P
P
M
R
R
R
h c
C
C
C
C
C
C
s e
s e
s e
D
r e
U
U
R
s e
s e
H
A
A
A
h c
h c
C I
C I
C I
C I
C I
C I
H
d e
E
r e
r e
r e
A
C
C
e v
z
M
M
M
r e
r e
z
d e
d e
#
L
L
L
L
L
L
e v
e v
e v
D
M
L
L
(
D
e v
e v
F
) d
(
A
K
K
K
K
K
K
K
K
(
4 (
0 (
A
e
S
F
F
) d
) d
2 1
) d
: 8
e
c s
) d
) d
/ t c
_
4
3
2
1
0
1
_
# 0
c s
/ t c
7 :
3 :
S
S
1 1
F
F
i r
# 2
# 4
(
(
(
(
(
n I
(
i r
( )
( )
(
A
A
A
A
A
n I
A
(
( )
t p
A
A
(
t p
c a
/ t c
/ t c
/ t c
/ t c
/ t c
A
A
/ t c
A
c a
/ t c
o i
/ t c
A
o i
) t
c
c
/ t c
n I
n I
n I
n I
n I
) t
n I
v i t
v i t
c
n
n I
n
n I
v i t
c a
c a
c a
c a
c a
n I
c a
D
c a
/ e
/ e
c a
) t
) t
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/ e
c a
e
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n I
n I
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c s
) t
n I
) t
c a
c a
i r
c a
v i t
v i t
t p
v i t
o i
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) e
n
ICS9248-90