Altera Stratix V Avalon-ST Instrukcja Użytkownika Strona 57

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Signal Direction Description
rx_st_bar[7:0] Output The decoded BAR bits for the TLP. Valid for MRd, MWr, IOWR, and
IORD TLPs. Ignored for the completion or message TLPs. Valid
during the cycle in which rx_st_sop is asserted.
Refer to 64-Bit Avalon-ST rx_st_data<n> Cycle Definitions for 4-
Dword Header TLPs with Non-Qword Addresses and 128-Bit
Avalon-ST rx_st_data<n> Cycle Definition for 3-Dword Header
TLPs with Qword Aligned Addresses for the timing of this signal
for 64- and 128-bit data, respectively.
The following encodings are defined for Endpoints:
Bit 0: BAR 0
Bit 1: BAR 1
Bit 2: Bar 2
Bit 3: Bar 3
Bit 4: Bar 4
Bit 5: Bar 5
Bit 6: Expansion ROM
Bit 7: Reserved
The following encodings are defined for Root Ports:
Bit 0: BAR 0
Bit 1: BAR 1
Bit 2: Primary Bus number
Bit 3: Secondary Bus number
Bit 4: Secondary Bus number to Subordinate Bus number
window
Bit 5: I/O window
Bit 6: Non-Prefetchable window
Bit 7: Prefetchable window
UG-01097_avst
2014.12.15
AvalonST RX Component Specific Signals
5-5
Interfaces and Signal Descriptions
Altera Corporation
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