ics9248-165 Integrated Device Technology, ics9248-165 Datasheet - Page 5

• Manufacturer Part Number: ics9248-165
• Description: Frequency Generator & Integrated Buffers For Celeron & Pii/iii
• Manufacturer: Integrated Device Technology

Note1: Default at power-up will be for latched logic inputs to define frequency, as displayed by Bit 3.
Serial Configuration Command Bitmap
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Byte0: Functionality and Frequency Select Register (default = 0)
B
B
B
B
B
t i
B
t i
t i
t i
t i
t i
7
, 2
0
3
1
4 :
1
1
- 1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-
-
-
-
-
T
F
S
F
N
R
s i r
i B
e r
p
e r
n u
r o
e r
a t
u q
u q
( t
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
m
i n
d a
e t
, 2
n e
n e
l a
g n
l l a
S
y c
y c
, 7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
e p
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
o
, 6
s i
s i
t c
t u
u r
, 5
e s
e s
u p
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
m
e l
e l
) 4
s t
t c
t c
E
d e
a n
d e
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
l b
y b
y b
D
d e
s e
B
a h
r c
±
t i
C
d r
p i
. 0
(
, 2
P
M
w
i t
U
5 2
n o
a
7
H
C
e r
4 :
%
0 1
2 1
0 1
4 1
5 1
2 1
3 1
3 1
2 1
1 1
6 1
L
) z
0 1
1 1
0 1
2 1
1 1
5 1
4 1
4 1
4 1
4 1
1 1
6 1
3 1
8
7
6
9
9
8
6
8
e s
K
C
. 0
. 5
. 6
. 3
. 0
. 5
. 0
. 0
. 4
. 3
. 5
. 6
. 8
. 5
. 0
. 6
. 0
. 4
. 9
. 9
. 5
. 4
. 7
. 5
. 3
. 1
. 3
. 2
. 8
. 5
. 0
. 8
e l
e
0 0
0 0
2 8
0 0
0 0
9 9
9 9
0 0
0 0
0 0
0 0
0 9
0 0
9 9
0 0
0 0
8 9
0 0
0 0
0 0
9 9
8 9
8 9
9 9
1 3
1 0
1 0
3 2
1 0
1 0
5 9
1 0
t n
, t c
r e
L
S
5
t a
p
h c
e r
P
d a
(
C
d e
M
C I
H
n I
L
) z
u p
K
3
3
3
4
4
3
3
3
4
3
4
3
3
4
3
3
3
3
3
3
3
3
3
3
3
2
3
3
3
3
3
3
. 0
. 7
. 7
. 0
. 6
. 5
. 5
. 7
. 1
. 3
. 2
. 1
. 8
. 1
. 0
. 8
. 1
. 0
. 6
. 6
. 5
. 5
. 4
. 1
. 3
. 4
. 4
. 3
. 8
. 3
. 9
. 8
s t
0 0
0 5
5 6
3 3
4 3
0 0
3 3
6 6
0 0
0 0
0 5
0 0
7 4
5 7
0 5
0 5
3 3
6 6
7 6
0 0
4 3
0 5
0 0
5 7
9 9
0 5
9 9
0 5
0 5
1 4
1 0
1 4
X
N
P
X
W
t o
0
0
1
X
1 e
D
X
ICS9248-165