Altera IP Compiler for PCI Express - Manual (Page 62)

4–4 Chapter 4: IP Core Architecture
Application Interfaces
IP Compiler for PCI Express User Guide August 2014 Altera Corporation
Figure 4–3 and Figure 4–4 illustrate the hard IP and soft IP implementations of the IP
Compiler for PCI Express with an Avalon-ST interface.
Figure 4–3. PCI Express Hard IP Implementation with Avalon-ST Interface to User Application
Figure 4–4. PCI Express Soft IP Implementation with Avalon-ST Interface to User Application
Clock
Domain
Crossing
(CDC)
Data
Link
Layer
(DLL)
Transaction Layer
(TL)
PHYMAC
IP Compiler for PCI Express Hard IP Implementation
Avalon-ST Rx
Avalon-ST Tx
Side Band
LMI
(Avalon-MM)
PCIe Reconfig
PIPE
Adapter
T
o
Application La
y
e
r
LMI
Reconfig
Block
Clock & Reset
Selection
Transceiver
Configuration
Space
Data
Link
Layer
(DLL)
Transaction Layer
(TL)
PHYMAC
Avalon-ST Rx
Avalon-ST Tx
Side Band
Test_in/Test_out
PIPE Adapter
T
o
Application La
y
e
r
Test
Clock & Reset
Selection
Transceiver
IP Compiler for PCI Express Soft IP Implementation