ics9148-111 ETC-unknow, ics9148-111 Datasheet - Page 5

• Manufacturer Part Number: ics9148-111
• Description: Frequency Generator Integrated Buffers Pentium/protm
• Manufacturer: ETC-unknow

Serial Configuration Command Bitmap
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Bit 6:4
B
B
B
B
Bit 7
Bit 3
Bit 2
Bit 1
Bit 0
B
B
B
B
B
Bit
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
1
Must be 0 for normal operation
0 -- +/- 0.25% Spread Spectrum Modulation
1 -- +/- 0.6% Spread Spectrum Modulation
0 - Frequency is selected by hardware select, Latched inputs
1 - Frequency is selected by Bit 6:4 (above)
Must be 0 for normal operation
0 - Spread Spectrum center spread type.
1 - Spread Spectrum down spread type.
0 - Normal
1 - Spread Spectrum Enabled
0 - Running
1 - Tristate all outputs
P
Bit6 Bit5 Bit4
n i
0 4
3 4
4 4
1 4
-
-
-
-
#
111
110
101
100
011
010
001
000
P
W
1
1
1
1
1
1
1
1
D
R (
R (
R (
S
R (
C
C
C
D
P
P
P
s e
s e
s e
s e
CPU Clock
R
U
U
U
r e
r e
r e
r e
A
C
C
C
95.25
96.22
D
83.3
91.5
66.8
e v
e v
e v
e v
L
L
L
M
100
75
60
e
K
K
K
) d
) d
) d
) d
2 1
c s
2
1
0
i r
(
(
(
(
A
A
A
A
t p
Description
/ t c
/ t c
/ t c
/ t c
o i
n I
n I
n I
n
n I
c a
c a
c a
c a
) t
) t
) t
) t
33.33
31.75
33.30
30.00
30.50
32.07
33.40
30.00
PCI
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
t i
7
6
4
2
0
5
3
1
P
n i
3 1
2 1
0 1
1 1
7
8
-
-
66.67
63.50
66.60
60.00
61.00
64.15
66.80
60.00
AGP
#
P
W
1
1
1
1
1
1
1
1
D
R (
P
R (
P
P
P
P
P
C
C
C
C
C
C
s e
s e
C I
C I
C I
C I
C I
C I
Note 1
PWD
r e
r e
L
L
L
L
L
L
ICS9148-111
e v
e v
0
0
0
0
0
K
K
K
K
K
K
) d
_
) d
4
3
2
1
( 0
D
F
(
(
(
(
A
A
A
A
A
e
(
c s
/ t c
A
/ t c
/ t c
/ t c
/ t c
i r
/ t c
n I
n I
n I
n I
n I
t p
n I
c a
c a
c a
c a
c a
o i
c a
) t
) t
) t
) t
) t
n
) t