CY28439
Byte 2: Control Register 2 (continued)
Bit
@Pup
Name
Description
Description
0
1
PCIF1
PCIF1 Output Enable
0 = Disabled, 1 = Enabled
Byte 3: Control Register 3
Bit
7
@Pup
Name
RESERVED
SRC4
0
0
RESERVED, Set = 0
6
Allow control of SRC[T/C]4 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
5
4
3
2
0
0
0
0
SRC3
SATA[T/C]
SRC2
Allow control of SRC[T/C]3 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SATA[T/C] 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#
SRC1
Allow control of SRC[T/C]1 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
1
0
0
0
RESERVED
SRC0
RESERVED
Allow control of SRC[T/C]0 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Byte 4: Control Register 4
Bit
@Pup
Name
Description
7
HW
FS_E
FS_E Reflects the value of the FS_E pin sampled on power-up. 0 = FS_E
was low during VTT_PWRGD# assertion.
6
5
4
3
0
0
0
0
DOT96[T/C]
PCIF2
DOT_PWRDWN Drive Mode
0 = Driven in PWRDWN, 1 = Tri-state
Allow control of SRC[T/C]2 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
PCIF1
Allow control of PCIF1 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
PCIF0
Allow control of PCIF0 with assertion of SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
2
1
0
1
1
1
RESERVED
RESERVED
RESERVED
RESERVED, Set = 1
RESERVED, Set = 1
RESERVED, Set = 1
Byte 5: Control Register 5
Bit
@Pup
Name
Description
7
0
SRC[T/C]
SRC[T/C] Stop Drive Mode
0 = Driven when PCI_STP# asserted,1 = Tri-state when PCI_STP#
asserted
6
5
4
3
0
0
0
0
RESERVED
RESERVED
RESERVED
SRC[T/C][4:0]
RESERVED, Set = 0
RESERVED, Set = 0
RESERVED, Set = 0
SRC[T/C] PWRDWN Drive Mode
0 = Driven when PD asserted,1 = Tri-state when PD asserted
2
1
0
0
RESERVED
CPU[T/C]1
RESERVED, Set = 0
CPU[T/C]1 PWRDWN Drive Mode
0 = Driven when PD asserted,1 = Tri-state when PD asserted
0
0
CPU[T/C]0
CPU[T/C]0 PWRDWN Drive Mode
0 = Driven when PD asserted,1 = Tri-state when PD asserted
Rev 1.0,November 21, 2006
Page 6 of 21
SPECTRALINEAR [ SPECTRALINEAR INC ]
