ICS841S02I Datasheet, PDF (5/17 Pages) Integrated Device Technology – PCI EXPRESS™ CLOCK GENERATOR

ICS841S02I
PCI EXPRESS™ CLOCK GENERATOR
TABLE 4B. BYTE 1:CONTROL REGISTER 1
BIT @Pup
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
0
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Description
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
TABLE 4D. BYTE 3:CONTROL REGISTER 3
BIT @Pup
7
1
6
0
5
1
4
0
3
1
2
1
1
1
0
1
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Description
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
TABLE 4F. BYTE 5:CONTROL REGISTER 5
BIT @Pup
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
0
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Description
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
PRELIMINARY
TABLE 4C. BYTE 2:CONTROL REGISTER 2
BIT @Pup Name Description
7
1
SRCT/C
Spread Spectrum Selection
0 = -0.35%, 1 = -0.50%
6
1 Reserved Reserved
5
1 Reserved Reserved
4
0
Reserved Reserved
3
1 Reserved Reserved
2
0
SRC
SRC Spread Spectrum Enable
0 = Spread Off, 1 = Spread On
1
1 Reserved Reserved
0
1 Reserved Reserved
TABLE 4E. BYTE 4:CONTROL REGISTER 4
BIT @Pup
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
1
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Description
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
IDT^™ / ICS^™ PCI EXPRESS CLOCK GENERATOR
5
ICS841S02BGI REV. C NOVEMBER 1, 2007