IP-CPRI Altera, IP-CPRI Datasheet - Page 98

• 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

6–2
CPRI Interface Registers
Table 6–3. CPRI Interface Registers Memory Map
Table 6–4. CPRI_INTR—Interrupt Control and Status—Offset: 0x0
CPRI MegaCore Function User Guide
0x0
0x4
0x8
0xC
0x10
0x14
0x18
0x1C
0x20
0x24
0x28
0x2C
0x30
0x34
0x38
0x3C
0x40
0x44
0x48
0x4C
RSRV
intr_los_lcv_en
RSRV
intr_hw_reset_en
intr_en
Address
Field
This section lists the CPRI interface registers.
the CPRI interface registers.
registers in the CPRI MegaCore function.
CPRI_INTR
CPRI_STATUS
CPRI_CONFIG
CPRI_CTRL_INDEX
CPRI_RX_CTRL
CPRI_TX_CTRL
CPRI_LCV
CPRI_RX_BFN
CPRI_HW_RESET
CPRI_PHY_LOOP
CPRI_CM_CONFIG
CPRI_CM_STATUS
CPRI_RX_DELAY_CONTROL
CPRI_RX_DELAY
CPRI_ROUND_DELAY
CPRI_EX_DELAY_CONFIG
CPRI_EX_DELAY_STATUS
Reserved
AUTO_RATE_CONFIG
CPRI_INTR_PEND
[31:6]
[5]
[4:2]
[1]
[0]
Bits
UR0
RW
UR0
RW
RW
Access
Name
Reserved.
los_lcv interrupt enable.
Reserved.
hw_reset interrupt enable. Controls whether a reset
request received over the CPRI link raises an interrupt on
the CPU IRQ line.
CPRI interface module interrupt enable.
The Ethernet and HDLC modules have separate interrupt
enable control bits.
Table 6–4
Interrupt Control and Status
CPRI Status
CPRI Configuration
CPRI Control Word Index
CPRI Received Control Word
CPRI Transmit Control Word
CPRI Line Code Violation Counter
CPRI Recovered Radio Frame Counter
Hardware Reset From Control Word
Physical Layer Loopback Control
CPRI Control and Management Configuration
CPRI Control and Management Status
Receiver Delay Control
Receiver Delay
Round Trip Delay
Extended Delay Measurement Configuration
Extended Delay Measurement Status
Auto-Rate Negotiation
Pending Interrupt Status
through
Function
Table 6–3
Table 6–21
Expanded Name
provides a memory map for
describe the CPRI interface
December 2010 Altera Corporation
Chapter 6: Software Interface
CPRI Interface Registers
31’h0
1’h0
3’h0
1’h0
1’h0
Default