CY28447
Byte 3: Control Register 3
Bit
@Pup
Name
Description
7
0
SRC7
Allow control of SRC[T/C]7 with assertion of PCI_STP# or SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
6
5
4
3
2
1
0
0
0
0
0
0
0
0
SRC6
SRC5
SRC4
SRC3
SRC2
SRC1
SRC0
Allow control of SRC[T/C]6 with assertion of PCI_STP# or SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]5 with assertion of PCI_STP# or SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]4 with assertion of PCI_STP# or SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]3 with assertion of PCI_STP# or SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]2 with assertion of PCI_STP# or SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]1 with assertion of PCI_STP# or SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Allow control of SRC[T/C]0 with assertion of PCI_STP# or SW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
Byte 4: Control Register 4
Bit
@Pup
Name
Description
7
0
LCD_96_100M[T/C]
LCD_96_100M[T/C] PWRDWN Drive Mode
0 = Driven in PWRDWN, 1 = Tri-state
6
0
DOT96[T/C]
DOT PWRDWN Drive Mode
0 = Driven in PWRDWN, 1 = Tri-state
5
4
3
0
0
0
RESERVED
RESERVED
PCIF0
RESERVED, Set = 0
RESERVED, Set = 0
Allow control of PCIF0 with assertion of SW and HW PCI_STP#
0 = Free running, 1 = Stopped with PCI_STP#
2
1
0
1
1
1
CPU[T/C]2
CPU[T/C]1
CPU[T/C]0
Allow control of CPU[T/C]2 with assertion of CPU_STP#
0 = Free running, 1 = Stopped with CPU_STP#
Allow control of CPU[T/C]1 with assertion of CPU_STP#
0 = Free running, 1 = Stopped with CPU_STP#
Allow control of CPU[T/C]0 with assertion of CPU_STP#
0 = Free running, 1 = Stopped with CPU_STP#
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
0
0
0
CPU[T/C]2
CPU[T/C]1
CPU[T/C]0
CPU[T/C]2 Stop Drive Mode
0 = Driven when CPU_STP# asserted,1 = Tri-state when CPU_STP#
asserted
CPU[T/C]1 Stop Drive Mode
0 = Driven when CPU_STP# asserted,1 = Tri-state when CPU_STP#
asserted
CPU[T/C]0 Stop Drive Mode
0 = Driven when CPU_STP# asserted,1 = Tri-state when CPU_STP#
asserted
3
2
0
0
SRC[T/C][9:1]
CPU[T/C]2
SRC[T/C][9:1] PWRDWN Drive Mode
0 = Driven when PD asserted,1 = Tri-state when PD asserted
CPU[T/C]2 PWRDWN Drive Mode
0 = Driven when PD asserted,1 = Tri-state when PD asserted
Rev 1.0,November 20, 2006
Page 6 of 21