Power Management Capability Structure - IDT 89HPES64H16G2 User Manual

IDT PCI to PCI Bridge and Proprietary Port Specific Registers
PCIELSTS2 - PCI Express Link Status 2 (0x072)
Bit
Field
0
15:1
PCIESCAP2 - PCI Express Slot Capabilities 2 (0x074)
Bit
Field
31:0
PCIESCTL2 - PCI Express Slot Control 2 (0x078)
Bit
Field
15:0
PCIESSTS2 - PCI Express Slot Status 2 (0x07A)
Bit
Field
15:0

Power Management Capability Structure

PMCAP - PCI Power Management Capabilities (0x0C0)
Bit
Field
7:0
15:8
PES64H16G2 User Manual
Field Default
Type
Name Value
CDE RO 0x0
Reserved RO 0x0
Field Default
Type
Name Value
Reserved RO 0x0
Field Default
Type
Name Value
Reserved RO 0x0
Field Default
Type
Name Value
Reserved RO 0x0
Field Default
Type
Name Value
CAPID RO 0x1
NXTPTR RWL Refer to sec-
tion Capabil-
ity Structures
on page 15-3.
Description
Current De-emphasis. The value of this bit indicates the current
de-emphasis level when the link operates in 5.0 Gbps.
0x0 - De-emphasis level = -6.0 dB
0x1 - De-emphasis level = -3.5 dB
The value of this bit in undefined when the link operates at
2.5 GT/s.
Reserved field.
Description
Reserved field.
Description
Reserved field.
Description
Reserved field.
Description
Capability ID. The value of 0x1 identifies this capability as a PCI
power management capability structure.
Next Pointer. This field contains a pointer to the next capability
structure.
16 - 27 April 5, 2013