IP-CPRI Altera, IP-CPRI Datasheet - Page 26

• 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

4–2
Architecture Overview
Figure 4–1. CPRI IP Core Block Diagram
Notes to
(1) You can configure your CPRI IP core with zero, one, or multiple IQ data channels.
(2) You can configure your CPRI IP core with an Ethernet MAC block or an MII block. The two options are mutually exclusive.
Interfaces Overview
CPRI MegaCore Function User Guide
Figure
4–1:
Figure 4–1
AUX Interface
The following sections describe the individual interfaces and clocks.
The Altera CPRI IP core supports the following interfaces:
■
■
■
■
■
Module
CPRI Interface
CPU Interface
MAP Interface
Auxiliary Interface
MII Interface
AUX
shows the main blocks of the CPRI IP core.
IQ Data Channels
Transmitter
Interface Module
AxC
(1)
IF
1
CPRI MAP
(Optional)
CPRI Link
Transceiver
tx_dataout
Transmitter
...
AxC
(1)
24
IF
Physical Layer
MII Interface
MII
(2)
Control and Management
Receiver
CPU/Register Interface
Module
CPU Interface Module
Transceiver
CPRI Link
Receiver
rx_datain
Ethernet
Inband/
Alarms
HDLC
VSS/
(2)
Registers
Chapter 4: Functional Description
May 2011 Altera Corporation
Architecture Overview