IP-CPRI Altera, IP-CPRI Datasheet - Page 8
IP-CPRI
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
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1–2
Figure 1–2. CPRI MegaCore Function Block Diagram
Note to
(1) You can configure your CPRI MegaCore function with zero, one, or multiple antenna-carrier interfaces.
(2) You can configure your CPRI MegaCore function with an Ethernet MAC block or an MII block.
CPRI MegaCore Function Features
CPRI MegaCore Function User Guide
Figure
1–2:
Figure 1–2
AUX Interface
The CPRI MegaCore function has the following features:
■
■
■
■
■
Module
Compliant with
(2009-02-18) Interface Specification
interconnections, without the full range of data sample widths.
Supports radio equipment controller (REC) and radio equipment (RE) module
configurations, including RE master, RE slave, and REC master ports.
Programmable CPRI communication line rate (to 614.4, 1228.8, 2457.6, 3072.0,
4915.2, or 6144.0 Mbps) using Altera on-chip high-speed transceivers.
Includes features to support auto-negotiation of line rate.
Supports CPRI transmission scrambling and descrambling at 4195.2 Mbps and at
6144.0 Mbps.
AUX
shows the main blocks of the CPRI MegaCore function.
IQ Data Channels
Transmitter
Interface Module
AxC
(1)
IF
1
CPRI MAP
(Optional)
CPRI Link
Transceiver
tx_dataout
Transmitter
...
Common Public Radio Interface (CPRI) Specification V4.1
AxC
(1)
24
IF
Physical Layer
MII Interface
Ethernet
MII
(2)
(2)
Control and Management
Receiver
CPU/Register Interface
Inband/
for wireless base station submodule
Alarms
CPU Interface Module
VSS/
Module
Transceiver
CPRI Link
Receiver
rx_datain
HDLC
Chapter 1: About This MegaCore Function
Registers
December 2010 Altera Corporation
CPRI MegaCore Function Features
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