ics951403 Integrated Device Technology, ics951403 Datasheet - Page 4

• Manufacturer Part Number: ics951403
• Description: Amd-k7 System Clock Chip
• Manufacturer: Integrated Device Technology

0486B—02/23/04
Byte 3: CPU Free Running Control Register
(1= enable, 0 = disable)
Byte 5: Clock Enable Control Register
(1= enable, 0 = disable)
Notes:
1. Inactive means outputs are held LOW and are disabled
2. Latched Frequency Selects (FS#) will be inverted logic
Byte 1: Output Control Register
(1= enable, 0 = disable)
ICS951403
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
load of the input frequency select pin conditions.
from switching.
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
0
T I
1
T I
T I
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
I P
I P
I P
0 2
9 1
2
4 2
7 3
0 4
9 3
3 4
2 4
6 4
N
1
-
6 3
N
N
-
-
-
-
-
-
-
-
#
#
#
P
P
P
W
X
X
X
X
1
1
1
1
W
W
X
X
X
X
0
0
0
0
1
1
1
1
1
1
1
1
D
D
D
R
F
F
F
R
R
A
A
S
0
C
C
C
C
C
C
S
R
R
R
R
R
C
C
C
S
S
S
e
E
E
G
G
E
D
e s
2
1
0
P
P
P
P
P
P
e
e
e
e
e
P
P
P
F
F
=
P
P
e s
e s
e s
e s
e s
L
U
U
U
U
U
U
U
U
U
1
0
R
v r
R
R
R
1
0
4 2
C
C
C
C
C
C
A
v r
v r
v r
v r
v r
a e
a e
a e
2
d e
T
T
T
/ 4
L
L
L
L
L
L
M
M
d e
d e
d e
d e
d e
D
C /
C /
C /
- d
- d
- d
D
D
K
K
K
K
K
K
8 4
H
_
E
a b
a b
a b
E
E
C
T
C
T
C
T
O
0
1
2
z
S
S
0
1
2
S
0
1
2
k c
k c
k c
U
C
C
C
1
T
=
R
R
R
P I
8 4
P I
P I
M
I T
I T
I T
H
O
O
O
z
N
N
N
4
Byte 4: 24/48MHz Control Register
(1= enable, 0 = disable)
Byte 2: PCI Stop Register
(1= enable, 0 = disable)
Byte 6: Control Register
(1= enable, 0 = disable)
Notes:
3. Bytes 7:14 not defined.
B
B
B
B
B
B
B
B
B
B
B
7
6
4
2
0
5
3
7
6
5
4
3
2
0
T I
1
t i
t i
t i
t i
t i
t i
t i
T I
1
t i
T I
6
4
2
0
7
5
3
1
I P
I P
I P
4 2
N
-
-
-
-
-
-
-
-
N
-
-
-
-
-
-
-
4 1
0 1
7 1
3 1
1 1
6 1
7
8
N
#
#
#
P
P
P
W
X
X
X
X
W
0
0
0
0
0
W
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
D
D
1
0
S
C
R
R
P
R
A
R
2
8 4
R
R
R
A
0
R
P
C
E
=
e
P
e
G
P
P
P
P
P
P
P
P
- 4
=
e
e
e
e
G
e
R
=
e s
e s
U
F
_ I
M
C
C
C
C
C
C
C
C
P
e s
e s
e s
e s
e s
8 4
C
P
E
C
6 6
v r
_
v r
C I
C I
C I
C I
C I
C I
C I
C I
S
t s
H
v r
v r
v r
v r
v r
s
P
A
S
P
f
T
M
e p
d e
d e
e r
U
z
e r
L
L
L
L
L
L
L
L
6 .
T
D
d e
d e
d e
d e
d e
U
O
D
D
H
g n
O
d e
K
K
K
K
K
K
K
K
u q
D
M
#
C
P
C
E
z
P
_
6
5
4
3
2
1
0
E
#
1
H
h t
r
E
n e
1
F
#
o t
S
a e
, 2 :
S
, 2 :
r
S
z
C
y c
0
r
a e
g g
C
- d
C
a e
1
R
T
=
- d
R
T
e l
a b
R
e s
- d
1
=
P I
1
1
a b
P I
2 :
P I
k c
e l
2 :
a b
X
0 5
I T
k c
t c
I T
t s
k c
I T
r f
0 .
1
p o
O
e e
O
M
O
=
N
N
r
H
N
2
n u
X
z
i n
g n