PI7C9X110 Pericom Semiconductor Corporation, PI7C9X110 Datasheet - Page 57

• Manufacturer Part Number: PI7C9X110
• Description: Pcie-to-pci Reversible Bridge
• Manufacturer: Pericom Semiconductor Corporation

7.4.62 CAPABILITY ID REGISTER – OFFSET A8h
7.4.63 NEXT POINTER REGISTER – OFFSET A8h
7.4.64 RESERVED REGISTER – OFFSET A8h
Pericom Semiconductor
BIT
9
10
11
12
13
14
15
31:16
BIT
7:0
BIT
15:8
BIT
31:16
FUNCTION
S_CLKOUT5 Enable
S_CLKOUT6 Enable
S_CLKOUT7 Enable
S_CLKOUT8 Enable
Secondary Clock Stop Status
Secondary Clkrun Protocol
Enable
Clkrun Mode
Reserved
FUNCTION
Capability ID
FUNCTION
Next Item Pointer
FUNCTION
Reserved
TYPE
TYPE
TYPE
TYPE
RW
RW
RW
RW
RW
RW
RO
RO
RO
RO
RO
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DESCRIPTION
S_CLKOUT (Device 2) Enable for forward bridge mode only
0: enable S_CLKOUT5
1: disable S_CLKOUT5 and driven LOW
Reset to 0
S_CLKOUT (Device 3) Enable for forward bridge mode only
0: enable S_CLKOUT6
1: disable S_CLKOUT6 and driven LOW
Reset to 0
S_CLKOUT (Device 4) Enable for forward bridge mode only
0: enable S_CLKOUT7
1: disable S_CLKOUT7 and driven LOW
Reset to 0
S_CLKOUT (the bridge) Enable for forward bridge mode only
0: enable S_CLKOUT8
1: disable S_CLKOUT8 and driven LOW
Reset to 0
Secondary clock stop status
0: secondary clock not stopped
1: secondary clock stopped
Reset to 0
0: disable protocol
1: enable protocol
Reset to 0
0: Stop the secondary clock only when bridge is at D3hot state
1: Stop the secondary clock whenever the secondary bus is idle and there are
no requests from the primary bus
Reset to 0
Reset to 0000h
DESCRIPTION
Capability ID for subsystem ID and subsystem vendor ID
Reset to 0Dh
DESCRIPTION
Next item pointer (point to PCI Express Capability by default but can be
programmed to A0h if Slot Identification Capability is enabled)
Reset to B0h
DESCRIPTION
Reset to 0000h
May 2008, Revision 2.6
PCIe-to-PCI Reversible Bridge
PI7C9X110