ics9248-172 ETC-unknow, ics9248-172 Datasheet - Page 4

• Manufacturer Part Number: ics9248-172
• Description: Single Chip, System Clock Piii/1651 Chipset 147mhz; Sdram Clocks
• Manufacturer: ETC-unknow

Advance Information
Note1: Default at power-up will be for latched logic inputs to define frequency, as displayed by Bit 3.
Third party brands and names are the property of their respective owners.
ICS9248-172
Serial Configuration Command Bitmap
Byte0: Functionality and Frequency Select Register (default = 0)
B
B
B
B
B
B
t i
t i
t i
t i
t i
t i
7
, 2
3
1
0
4 :
The I
1
1
- 1
0
0
0
B
-
-
2
-
-
-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2 t i
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
T
C readback of the power up default indicates the revision ID in bits 2, 7:4 as shown.
F
S
F
N
R
s i r
e r
p
e r
n u
r o
e r
a t
u q
u q
i n
m
F
B
d a
e t
g n
n e
S
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
n e
l a
7 t i
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
l a
3
S
y c
y c
o l
e p
s i
s i
t u
t c
F
B
u p
S
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
e s
6 t i
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
e s
u r
2
e l
m
s t
e l
t c
t c
E
d e
F
B
d e
a n
S
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5 t i
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
l b
1
y b
y b
d e
B
a h
F
B
t i
S
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
d r
4 t i
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
, 2
0
w
a
7
e r
4 :
C
0 1
0 1
0 1
3 1
3 1
3 1
0 1
0 1
0 1
3 1
3 1
3 1
0 1
0 1
0 1
4 1
4 1
4 1
1 1
1 1
1 1
4 1
4 1
4 1
P
(
e s
6
6
6
6
6
6
7
7
M
U
. 3
. 3
. 6
. 6
. 6
. 6
. 9
. 9
e l
. 0
. 0
. 0
. 3
. 3
. 3
. 0
. 0
. 0
. 3
. 3
. 3
. 5
. 5
. 5
. 0
. 0
. 0
. 0
. 0
. 0
. 6
. 6
. 6
H
C
3 3
3 3
6 6
6 6
6 6
6 6
9 9
9 9
, t c
0 0
0 0
0 0
3 3
3 3
3 3
0 0
0 0
0 0
3 3
3 3
3 3
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
6 6
6 6
6 6
) z
L
K
L
t a
D
h c
S
e
0 1
0 1
3 1
0 1
3 1
0 1
0 1
3 1
0 1
3 1
0 1
0 1
4 1
0 1
4 1
4 1
4 1
(
1 1
1 1
1 1
d e
D
7
7
7
6
6
6
6
6
6
6
6
6
c s
M
. 6
. 6
. 6
. 6
. 6
. 6
. 9
. 9
. 9
. 3
. 3
. 3
R
. 0
. 0
. 0
. 0
. 0
. 3
. 0
. 3
. 0
. 0
. 3
. 0
. 3
. 5
. 5
. 0
. 5
. 0
. 6
. 6
i r
H
n I
3 3
3 3
3 3
A
6 6
6 6
6 6
6 6
6 6
6 6
9 9
9 9
9 9
4
0 0
0 0
3 3
0 0
3 3
0 0
0 0
3 3
0 0
3 3
0 0
0 0
0 0
0 0
0 0
0 0
0 0
6 6
0 0
6 6
t p
) z
u p
M
o i
s t
n
P
C
(
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
M
. 3
. 3
. 3
. 3
. 3
. 3
. 3
. 3
. 3
. 3
. 3
. 3
. 3
. 3
. 3
. 3
. 5
. 5
. 5
. 5
. 5
. 5
. 5
. 5
. 6
. 6
. 6
. 6
. 6
. 6
. 6
. 6
C I
H
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
L
) z
K
(
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
A
M
. 6
. 6
. 6
. 6
. 6
. 6
. 6
. 6
. 6
. 6
. 6
. 6
. 6
. 6
. 6
. 6
. 9
. 9
. 9
. 9
. 9
. 9
. 9
. 9
. 3
. 3
. 3
. 3
. 3
. 3
. 3
. 3
G
H
3 3
3 3
3 3
3 3
3 3
3 3
3 3
3 3
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
9 9
9 9
9 9
9 9
9 9
9 9
9 9
9 9
P
) z
0
0
0
0
0
0
0
+
+
+
+
+
+
+
+
0
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
- /
o t
o t
o t
o t
o t
o t
o t
o t
S
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
. 0
0 -
0 -
0 -
0 -
0 -
0 -
0 -
p
0 -
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
e r
5 .
5 .
5 .
5 .
5 .
5 .
5 .
5 .
d a
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
r P
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
D
D
D
D
D
D
D
D
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
n e
o
o
o
o
o
o
o
c e
o
w
w
w
w
w
w
w
w
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
r e t
n e
n
n
n
n
n
n
n
n
a t
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
e g
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
p
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
e r
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
d a
0
N
P
0 0
W
t o
0
0
0
0 0
1 e
D