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4.3.8.1. eCPRI Message Type 0- IQ Data Transfer
4.3.8.2. eCPRI Message Type 1- Bit Sequence Transfer
4.3.8.3. eCPRI Message Type 2- Real Time Control Data
4.3.8.4. eCPRI Message Type 3- Generic Data Transfer
4.3.8.5. eCPRI Message Type 4- Remote Memory Access
4.3.8.6. eCPRI Message Type 5- One-Way Delay Measurement
4.3.8.7. eCPRI Message Type 6- Remote Reset
4.3.8.8. eCPRI Message Type 7- Event Indication
4.3.8.9. eCPRI Message Type 64- 255 Vendor Specific
5.1. eCPRI IP Clock Signals
5.2. Power, Reset, and Firewalls Signals
5.3. TX Time of Day Interface
5.4. RX Time of Day Interface
5.5. Interrupt
5.6. Configuration Avalon® Memory-Mapped Interface
5.7. Ethernet MAC Source Interface
5.8. Ethernet MAC Sink Interface
5.9. External ST Source Interface
5.10. External ST Sink Interface
5.11. eCPRI IP Source Interface
5.12. eCPRI IP Sink Interface
5.13. Miscellaneous Interface Signals
5.14. IWF Type 0 eCPRI Interface
5.15. IWF Type 0 CPRI MAC Interface
5.15.1. CPRI 32-bit IQ Data TX Interface
5.15.2. CPRI 64-bit IQ Data TX Interface
5.15.3. CPRI 32-bit Ctrl_AxC TX Interface
5.15.4. CPRI 64-bit Ctrl_AxC TX Interface
5.15.5. CPRI 32-bit Vendor Specific TX Interface
5.15.6. CPRI 64-bit Vendor Specific TX Interface
5.15.7. CPRI 32-bit Real-time Vendor Specific TX Interface
5.15.8. CPRI 64-bit Real-time Vendor Specific TX Interface
5.15.9. CPRI Gigabit Media Independent Interface (GMII)
5.15.10. CPRI IP L1 Control and Status Interface
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1.1. eCPRI Intel® FPGA IP Features
The IP offers the following features:
- Compliant with the eCPRI Specification V2.0 (2018-06-25) available on the CPRI Industry Initiative (CII) website.
- eCPRI radio equipment controller (eREC) and eCPRI radio equipment (eRE) module configurations.
- Ethernet headers in a variety of formats, including VLAN tag, source/destination MAC address, IPv4, UDP extraction and encapsulation.
- eCPRI one-way delay measurement based on IEEE Standard 1588 Precision Time Protocol (1588 PTP) hardware timestamp. Full hardware support, and required 1588 PTP software stack.
- 25 Gbps and 10 Gbps Ethernet ports.
- Pairing of eCPRI Intel FPGA IP with O-RAN Intel FPGA IP.
- Interworking function (IWF) type 0 between eCPRI node and one CPRI node.
- Ethernet streaming frame size up to 9,000 bytes as defined by Ethernet jumbo frames standard.
- Packet classifier to classify eCPRI packet and send packets to eCPRI IP. The IP redirects all other packets to external port for user processing.
- Programmable packet queue (maximum 16 entries) holds incoming packets when eCPRI packets transmission in progress.
- Arbitration between eCPRI packet and external incoming Ethernet frames, e.g., Control & Management (C&M) and synchronization packets.
- Mapping logic between eCPRI message physical channel ID to VLAN/MAC address CSR.
- Single distributed unit (DU) and up to eight radio unit (RU) configurations using source/destination MAC address CSR.
- All eCPRI message types compliant to eCPRI specification v2.0
- Input and output ports compliant with Avalon® streaming interface .
Device Support | Data Rate |
---|---|
Agilex™ 5 | 10G |
25G | |
Agilex™ 7 | 25G |
10G | |
Agilex™ 9 | 10G |
25G | |
Stratix® 10 | 25G |
10G | |
Arria® 10 | 10G |