ics9248-92 Integrated Device Technology, ics9248-92 Datasheet - Page 5

• Manufacturer Part Number: ics9248-92
• Description: Mobile Pentium Iitm System Clock Chip
• Manufacturer: Integrated Device Technology

Serial Configuration Command Bitmaps
Byte 0: Functional and Frequency Select Clock Register (default on Bits 7, 6, 5, 4, 1, 0 = 0)
Note: PWD = Power-Up Default
Select Functions
Notes:
1. TCLK is a test clock driven on the X1 (crystal in pin) input during test mode.
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
F
T I
4
u
7
6
5
3
2
1
0
e T
n
T
t c
s i r
t s
o i
m
a t
I P
n
o
e t
3 2
2 2
a
e d
N
-
-
-
-
i l
#
y t
0 (
0 (
R
R
n I
n I
4
4
/ 8
/ 8
e
e
=
c =
S
e s
e s
S
±
4 2
4 2
i B
p
p
n e
0
T
v r
v r
0
0
e r
1
1
e r
5 .
1 t
H
C
M
M
d e
d e
e t
C
d a
d a
%
- I
L
e r
H
H
P
K
S
1
z
z
U
S
, d
e p
=
Z
2 /
e p
F (
F (
1
1
±
i B
0
0
1
t c
1
. 0
t c
-
-
=
e r
e r
-
-
u r
0 t
5 2
o d
u r
T
e T
S
N
u q
u q
, m
i r
p
%
m
r o
w
t s
T
n e
n e
e r
S -
P
)
H
,
n
C
m
C
m
P
d a
y c
y c
C
C
o
a t
- I
s
L
l a
o
C
t n
o
r p
_ I
e t
K
e d
t n
S
S
S
, I
o r
D
o
a e
Z
F
4 /
l e
l e
e p
o r
e p
E
s l
) d
c e
c e
1
S
t c
s l
a r
S
C
) t
) t
r p
u r
y t
i t
R
1
1
a e
m
n o
S
T
e p
P I
=
=
H
i d
D
C
8 4
8 4
E
I T
g n
R
- I
L
n
O
K
M
b a
A
M
Z
N
2 /
M
H
H
e l
1
, z
, z
5
0
0
(default on Bits 3, 2 = 1)
=
=
4 2
4 2
T
H
R
C
- I
M
M
E
L
F
H
H
K
Z
z
z
1
e S
T
4 2
H
C
e l
- I
L
M
t c
K
H
o i
Z
4 /
z
n
1
P
W
0 1
0
0
0
1
1
1
D
e S
T
8 4
H
C
e l
- I
L
M
t c
K
H
o i
Z
2 /
z
n
1
ICS9248-92