PI7C9X110 Pericom Semiconductor Corporation, PI7C9X110 Datasheet - Page 107

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

7.5.77 DEVICE CAPABILITY REGISTER – OFFSET B4h
Pericom Semiconductor
BIT
2:0
4:3
5
8:6
11:9
12
13
14
17:15
25:18
FUNCTION
Maximum Payload Size
Phantom Functions
8-bit Tag Field
Endpoint L0’s Latency
Endpoint L1’s Latency
Attention Button Present
Attention Indicator Present
Power Indicator Present
Reserved
Captured Slot Power Limit
Value
TYPE
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
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DESCRIPTION
000: 128 bytes
001: 256 bytes
010: 512 bytes
011: 1024 bytes
100: 2048 bytes
101: 4096 bytes
110: reserved
111: reserved
Reset to 001
No phantom functions supported
Reset to 00
8-bit tag field supported
Reset to 1
Endpoint L0’s acceptable latency
000: less than 64 ns
001: 64 – 128 ns
010: 128 – 256 ns
011: 256 – 512 ns
100: 512 ns – 1 us
101: 1 – 2 us
110: 2 – 4 us
111: more than 4 us
Reset to 000
Endpoint L1’s acceptable latency
000: less than 1 us
001: 1 – 2 us
010: 2 – 4 us
011: 4 – 8 us
100: 8 – 16 us
101: 16 – 32 us
110: 32 – 64 us
111: more than 64 us
Reset to 000
0: If Hot Plug is disabled
1: If Hot Plug is enabled at Forward Bridge
Reset to 0 when hot-plug is disabled or 1 when hot-plug is enabled through
strapping.
0: If Hot Plug is disabled
1: If Hot Plug is enable at Forward Bridge
Reset to 0 when hot-plug is disabled or 1 when hot-plug is enabled through
strapping.
0: If Hot Plug is disabled
1: If Hot Plug is enable at Forward Bridge
Reset to 0 when hot-plug is disabled or 1 when hot-plug is enabled through
strapping.
Reset to 000
These bits are set by the Set_Slot_Power_Limit message
Reset to 00h
May 2008, Revision 2.6
PCIe-to-PCI Reversible Bridge
PI7C9X110