IDT Configuration Registers
PES16T4G2 User Manual
8 - 46
January 28, 2013
Notes
SNUMUDW - Serial Number Upper Doubleword (0x188)
PCI Express Virtual Channel Capability
PCIEVCECAP - PCI Express VC Enhanced Capability Header (0x200)
PVCCAP1- Port VC Capability 1 (0x204)
Bit
Field
Field
Name
Type Default
Value
Description
31:0
SNUM
RWL
0x0
Sticky
Upper 32-bits of Device Serial Number. This field contains the
upper 32-bits of the IEEE defined 64-bit extended unique identifier
(EUI-64) assigned to the device.
Bit
Field
Field
Name
Type Default
Value
Description
15:0
CAPID
RO
0x2
Capability ID. The value of 0x2. indicates a virtual channel capa-
bility structure.
19:16
CAPVER
RO
0x1
Capability Version. The value of 0x1. indicates compatibility with
version 1 of the specification.
31:20
NXTPTR
RWL
0x0
Next Pointer. The value of 0x0 indicates that there are no
extended capabilities.
Bit
Field
Field
Name
Type Default
Value
Description
2:0
EVCCNT
RO
0x0
Extended VC Count. The value 0x0 indicates only implementation
of the default VC.
3
Reserved
RO
0x0
Reserved field.
6:4
LPEVCCNT
RO
0x0
Low Priority Extended VC Count. The value of 0x0 indicates only
implementation of the default VC.
7
Reserved
RO
0x0
Reserved field.
9:8
REFCLK
RO
0x0
Reference Clock. WRR is not implemented.
11:10
PATBLSIZ
RO
Upstream:
0x2
Down-
stream:
0x0
Port Arbitration Table Entry Size. This field indicates the size of
the port arbitration table in the device. For the upstream port, the is
set to 0x2 to indicate a table with 4-bit entries. For downstream
ports, this value is set to 0x0.
0x0 - (bit1) Port arbitration table is 1-bit
0x1 - (bit2) Port arbitration table is 2-bits
0x2 - ((bit4) Port arbitration table is 4-bits
0x3 -(bit8) Port arbitration table is 8-bits
31:12
Reserved
RO
0x0
Reserved field.
Summary of Contents for 89HPES16T4G2
Page 10: ...IDT Table of Contents PES16T4G2 User Manual iv January 28 2013 Notes...
Page 12: ...IDT List of Tables PES16T4G2 User Manual vi January 28 2013 Notes...
Page 14: ...IDT List of Figures PES16T4G2 User Manual viii January 28 2013 Notes...
Page 18: ...IDT Register List PES16T4G2 User Manual xii January 28 2013 Notes...
Page 30: ...IDT PES16T4G2 Device Overview PES16T4G2 User Manual 1 12 January 28 2013 Notes...
Page 48: ...IDT Link Operation PES16T4G2 User Manual 3 10 January 28 2013 Notes...
Page 68: ...IDT SMBus Interfaces PES16T4G2 User Manual 5 18 January 28 2013 Notes...
Page 72: ...IDT Power Management PES16T4G2 User Manual 6 4 January 28 2013 Notes...
Page 140: ...IDT Configuration Registers PES16T4G2 User Manual 8 62 January 28 2013 Notes...