IP-CPRI Altera, IP-CPRI Datasheet - Page 126

• Manufacturer Part Number: IP-CPRI
• Description: IP CORE - Common Public Radio Interface (CPRI)
• Manufacturer: Altera

Specifications of IP-CPRI

• Software Application: IP CORE, Interface And Protocols, HIGH SPEED
• Supported Families: Arria II GX, Cyclone IV GX, HardCopy IV, Stratix IV
• Core Architecture: FPGA
• Core Sub-architecture: Arria, Cyclone, Stratix
• Rohs Compliant: NA
• Lead Free Status / RoHS Status: na
• Lead Free Status / RoHS Status: na

7–2
Figure 7–1. CPRI MegaCore Function Non-MII Interface Demonstration Testbench (tb_altera_cpri.vhd)
Figure 7–2. CPRI MegaCore Function MII Interface Demonstration Testbench (tb_altera_cpri_mii.vhd)
CPRI MegaCore Function User Guide
Figure 7–1
illustrates the MII interface testbench, tb_altera_cpri_mii.vhd.
the MII interface, no IQ interfaces testbench, tb_altera_cpri_mii_noiq.vhd.
and
tb_altera_cpri_autorate.vhd, which targets a Stratix IV GX device, and
tb_altera_cpri_c4gx_autorate.vhd, which targets a Cyclone IV GX device.
tb_altera_cpri
tb_altera_cpri_mii
Figure 7–5
Altera
Testbench
Altera
Testbench
illustrates the non-MII interface testbench, tb_altera_cpri.vhd.
illustrate the auto-rate negotiation testbenches,
aux_tx_status_data,
aux_rx_status_data
aux_tx_mask_data
aux_tx_status_data,
aux_rx_status_data
aux_tx_mask_data
AUX
AUX
MAP_N
MAP
Avalon-ST
Rx AUX Interface
Avalon-ST
Rx AUX Interface
Avalon-ST
Tx Interface
Avalon-ST
Rx Interface
Avalon-ST
Tx AUX Interface
MII Interface
Avalon-ST
Tx Interface
Avalon-ST
Rx Interface
Avalon-ST
Tx AUX Interface
CPU Interface
CPU Interface
Reference
Reference
Clock
Clock
gxb_txdataout
gxb_txdataout
gxb_rxdatain
gxb_rxdatain
txdataout
txdataout
CPRI
CPRI
DUT
rxdatain
DUT
rxdatain
CPRI
CPRI
Link
Link
Avalon-MM
Avalon-MM
Interface
Interface
December 2010 Altera Corporation
Figure 7–3
Chapter 7: Testbenches
Figure 7–2
illustrates
Figure 7–4
Introduction