CY28447LFXC Silicon Laboratories Inc, CY28447LFXC Datasheet - Page 8

• Manufacturer Part Number: CY28447LFXC
• Description: Clock Generators & Support Products Calistoga System Clk Extra SRC Output
• Manufacturer: Silicon Laboratories Inc

Specifications of CY28447LFXC

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Rev 1.0, November 20, 2006
Byte 9: Control Register 9
Byte 10: Control Register 10
Byte 11: Control Register 11
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Bit
Bit
Bit
@Pup
@Pup
@Pup
HW
HW
HW
HW
0
0
0
0
1
1
1
0
1
1
1
1
0
0
0
0
0
0
0
0
27M_SS Spread Enable 27M_SS Spread spectrum enable.
27M_SS / 27M_NSS
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
Name
Name
Name
S1
S0
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, Set = 1
27M Spread Output Enable
0 = Disable (Tri-state), 1 = Enabled
0 = Disable, 1 = Enable.
RESERVED set = 0
RESERVED, Set = 1
RESERVED, Set = 1
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, Set = 0
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
RESERVED
RESERVED
RESERVED
27-MHz (spread and non-spread) Output Drive Strength
0 = Low, 1 = High
RESERVED
RESERVED Set = 0
RESERVED
Description
Description
Description
CY28447
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