cy28549 SpectraLinear Inc, cy28549 Datasheet - Page 9

• Manufacturer Part Number: cy28549
• Description: Clock Generator For Intel Ck410m
• Manufacturer: SpectraLinear Inc

Document #:xxx-xxxxx Rev **
Byte 9 Control Register 9
Byte 10 Control Register 10
Byte 11 Control Register 11
Byte 12 Control Register 12
7
6
5
4
3
2
1
0
Bit
Bit
Bit
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
@Pup
@Pup
@Pup
HW
HW
HW
0
0
0
0
0
1
1
1
0
0
0
0
1
1
1
0
0
0
1
1
1
0
0
0
0
27M_SS/LCD_100M
Spread Enable
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
SRC[T/C]10
SRC[T/C]9
SRC[T/C]8
SRC[T/C]9
SRC[T/C]8
27M_SS
PCIF0
Name
Name
Name
48M
S1
S0
PRELIMINARY
RESERVED, Set = 0
RESERVED, Set = 0
RESERVED
RESERVED
RESERVED
48-MHz Output Drive Strength
0 = Low, 1 = High
RESERVED
PCIF0 Output Drive Strength
0 = Low, 1 = High
RESERVED
RESERVED
27M_SS/LCD 96_100M SS Spread Spectrum Selection table:
S[1:0] SS%
‘00’ = –0.5%(Default value)
‘01’ = –1.0%
‘10’ = –1.5%
‘11’ = –2.0%
RESERVED
27M Spread Output Enable
0 = Disabled, 1 = Enabled
27M_SS/LCD_100M Spread spectrum enable.
0 = Disabled, 1 = Enabled
RESERVED
RESERVED
RESERVED
SRC[T/C]9 Output Enable
0 = Disable (Hi-Z), 1 = Enable
SRC[T/C]8 Output Enable
0 = Disable (Hi-Z), 1 = Enable
RESERVED
Allow control of SRC[T/C]10 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]9 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]8 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
RESERVED, Set = 0
RESERVED
RESERVED
RESERVED
Description
Description
Description
CY28549
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