cy284108 SpectraLinear Inc, cy284108 Datasheet - Page 6

• Manufacturer Part Number: cy284108
• Description: Clock Generator For Intel Blackford And Bayshore Chipsets
• Manufacturer: SpectraLinear Inc

Rev 1.0, November 22, 2006
Byte 2: Control Register 2 (continued)
Byte 3: Control Register 3
Byte 4: Control Register 4
Byte 5: Control Register 5
Bit
Bit
Bit
Bit
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
@Pup
@Pup
@Pup
@Pup
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
SRC[T/C][4:0] PCI_STP#
SRC[T/C][4:0] PWRDWN
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
Drive mode
drive mode
SRC[T/C]4
SRC[T/C]3
SRC[T/C]2
SRC[T/C]1
SRC[T/C]0
CPU[T/C]3
CPU[T/C]2
CPU[T/C]1
CPU[T/C]0
USB48
Name
PCIF2
PCIF1
PCIF0
Name
Name
Name
USB_48 Output Enable
0 = Disable, 1 = Enable
Allow control of PCIF2 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with SW PCI_STP#
Allow control of PCIF1 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with SW PCI_STP#
Allow control of PCIF0 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with SW PCI_STP#
Allow control of SRC[T/C]4 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]3 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]2 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]1 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]0 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
CPU[T/C]3 PD drive mode
0 = Driven in power down, 1 = Tri-state
CPU[T/C]2 PD drive mode
0 = Driven in power down, 1 = Tri-state
CPU[T/C]1 PD drive mode
0 = Driven in power down, 1 = Tri-state
CPU[T/C]0 PD drive mode
0 = Driven in power down, 1 = Tri-state
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
Stoppable SRC[T/C][4:0] drive mode upon PCI_STP# assertion
0 = Driven in PCI_STOP#, 1 = Tri-state
SRC[T/C][4:0] PWRDWN drive mode
0 = Driven in power down, 1 = Tri-state
RESERVED, Set = 0
RESERVED
RESERVED
RESERVED
Description
Description
Description
Description
CY284108
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