IP-CPRI Altera, IP-CPRI Datasheet - Page 109

• 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

Chapter 6: Software Interface
MAP Interface and AUX Interface Configuration Registers
MAP Interface and AUX Interface Configuration Registers
Table 6–28. CPRI MAP Interface Configuration Registers Memory Map
Table 6–29. CPRI_MAP_CONFIG—CPRI Mapping Features Configuration—Offset: 0x100 (Part 1 of 2)
December 2010 Altera Corporation
0x100
0x104
0x108
0x10C
0x110
0x114
0x118
0x11C
0x120
0x124
0x128
0x12C
0x130
0x13C
0x140–0x144
0x150
0x160
0x180–0x184
0x1A0–0x1A4
RSRV
map_15bit_mode
map_tx_sync_mode
map_rx_sync_mode
Address
Field
This section lists the MAP interface configuration registers.
memory map for the MAP interface configuration registers.
Table 6–45
function.
CPRI_MAP_CONFIG
CPRI_MAP_CNT_CONFIG
CPRI_MAP_TBL_CONFIG
CPRI_MAP_TBL_INDEX
CPRI_MAP_TBL_RX
CPRI_MAP_TBL_TX
CPRI_MAP_OFFSET_RX
CPRI_MAP_OFFSET_TX
CPRI_START_OFFSET_RX
CPRI_START_OFFSET_TX
CPRI_MAP_RX_READY_THR
CPRI_MAP_TX_READY_THR
CPRI_MAP_TX_START_THR
CPRI_PRBS_CONFIG
CPRI_PRBS_STATUS
CPRI_IQ_RX_BUF_CONTROL
CPRI_IQ_TX_BUF_CONTROL
CPRI_IQ_RX_BUF_STATUS
CPRI_IQ_TX_BUF_STATUS
[31:5]
[4]
[3]
[2]
Bits
describe the MAP interface configuration registers in the CPRI MegaCore
UR0
RW
RW
RW
Access
Name
Reserved.
15-bit sample width. Values are:
Tx MAP synchronization mode. Values are:
Rx MAP synchronization mode. Values are:
0: 2 × 16-bit sample width
1: 2× 15-bit sample width
0: FIFO MAP interface
1: Non-FIFO (synchronized) MAP interface (synchronous
buffer mode)
0: FIFO MAP interface
1: Non-FIFO (synchronized) MAP interface (synchronous
buffer mode)
CPRI Mapping Features Configuration
Basic UMTS/LTE Mapping Configuration
K Parameter Config for Advanced Table-Based Mapping
Advanced Mapping Configuration Table Index
Advanced Mapping Rx Configuration Table
Advanced Mapping Tx Configuration Table
MAP Rx Frame Offset
MAP Tx Frame Offset
Rx Start Frame Offset
Tx Start Frame Offset
CPRI Mapping Rx Ready Threshold
CPRI Mapping Tx Ready Threshold
CPRI Mapping Tx Start Threshold
PRBS Generation Pattern Configuration
PRBS Data Validation Status
MAP Receiver FIFO Buffer Control
MAP Transmitter FIFO Buffer Control
MAP Receiver FIFO Buffer Status
MAP Transmitter FIFO Buffer Status
Function
Expanded Name
CPRI MegaCore Function User Guide
Table 6–28
Table 6–29
provides a
through
27’h0
1’h0
1’h0
1’h0
Default
6–13