Altera IP Compiler for PCI Express - Manual (Page 133)

Chapter 5: IP Core Interfaces 5–47
Avalon-MM Application Interface
August 2014 Altera Corporation IP Compiler for PCI Express User Guide
Figure 5–39 shows the signals of a completer-only, single dword, IP Compiler for PCI
Express.
Table 5–22 lists the interfaces for these IP cores with links to the sections that describe
them.
Figure 5–39. Signals in the Qsys Completer-Only, Single Dword, IP Core with Avalon-MM Interface
Notes to Figure 5–39 :
(1) This variant is only available in the hard IP implementation.
(2) Signals in blue are for simulation only.
tx[3:0]
rx[3:0]
pipe_mode
xphy_pll_areset
xphy_pll_locked
txdatak0_ext
txdata0_ext[7:0]
txdetectrx_ext
txelectidle0_ext
rxpolarity0_ext
txcompl0_ext
powerdown0_ext[1:0]
rxdata0_ext[7:0]
rxdatak0_ext
rxvalid0_ext
phystatus_ext
rxelectidle0_ext
rxstatus0_ext[2:0]
1-Bit Serial
RxmIrq
Bar<a>_<b>_readdatavalid
Bar<a>_<b>_waitrequest
Bar<a>_<b>_address<n>[31:0]
Bar<a>_<b>_readdata_i[31:0]
Bar<a>_<b>_byteenable<n>[3:0]
Bar<a>_<b>_write<n>
Bar<a>_<b>_read<n>
Bar<a>_<b>_writedata<n>[31:0]
32-Bit
Avalon-MM Rx
Master Port
reset_n
Clock
Reset &
Status
clk125_out
fixedclk_serdes
refclk
pcie_rstn
suc_spd_neg
Signals in the Completer Only Single Dword
IP Compiler for PCI Express (1)
(Qsys Generated)
Hard IP
Implementation
Simulation
Only
8-Bit PIPE
Test
Interface
test_out[511:0], [63:0], or [9:0]
test_in[31:0]
(test_out is optional)
reconfig_fromgxb[:0]
reconfig_togxb[:0]
reconfig_clk
cal_blk_clk
gxb_powerdown
Transceiver
Control
(2)
Table 5–22. Avalon-MM Signal Groups in the IP Compiler with PCI Express Variations with an Avalon-MM
Interface (Part 1 of 2)
Signal Group
Full
Featured
Completer
Only
Description
Logical
Avalon-MM CRA Slave v — “32-Bit Non-Bursting Avalon-MM CRA Slave Signals” on page 5–48
Avalon-MM RX Master v v “RX Avalon-MM Master Signals” on page 5–49
Avalon-MM TX Slave v — “64-Bit Bursting TX Avalon-MM Slave Signals” on page 5–50