Altera CPRI v6.0 MegaCore Function Manual de usuario Pagina 96
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Bits Field Name Type Value on
Reset
Description
9
prot_ver_
auto
RW 1'b1 Enables auto negotiation of protocol version.
If you turn on Enable L1 inband protocol negotiator, this field
is a RW register field with the default value of 1. Otherwise, this
field is a RO register field with the default value of 0.
RO 1'b0
8
rx_prot_
ver_
filter
RW 1'b1 Enable filtering or protection of the Z.2.0 value across five
consecutive hyperframes.
If you turn on Enable L1 inband protocol negotiator, this field
is a RW register field with the default value of 1. Otherwise, this
field is a RO register field with the default value of 0.
RO 1'b0
7:0 tx_prot_
ver
RW 8'b01 Transmit protocol version to be mapped to Z.2.0 to indicate
whether or not the current hyperframe transmission is
scrambled. The value 1 indicates it is not scrambled and the
value 2 indicates it is scrambled.
If the prot_ver_auto field has the value of 1, the IP core
automatically updates the tx_prot_ver field.
TX_SCR Register
Table 5-8: CPRI v6.0 IP Core TX_SCR Register at Offset 0x14
Bits Field Name Type Value on
Reset
Description
31 Reserved UR0 1'b0
30:0 tx_scr_
seed
RW 31'b0 Transmitter scrambler seed. If the seed has value 0, the
transmission is not scrambled.
RX_SCR Register
UG-01156
2015.02.16
TX_SCR Register
5-7
CPRI v6.0 IP Core Registers
Altera Corporation
Send Feedback
- 101 Innovation Drive 1
- San Jose, CA 95134 1
- Contents 2
- About the CPRI v6.0 IP Core 5
- Device Family Support 7
- IP Core Verification 8
- Release Information 10
- Related Information 11
- Installation and Licensing 13
- 2014.08.18 14
- File Name Description 15
- CPRI v6.0 IP Core Parameters 18
- Parameter Range Default 20
- Parameter Description 20
- Adding the Clean-Up PLL 23
- Adding the External TX PLL 24
- Simulating Altera IP Cores 27
- Understanding the Testbench 28
- Running the Testbench 28
- Parameter Value 29
- Functional Description 31
- Information 35
- AUX Interface 39
- AUX Interface Signals 40
- AUX RX Interface Data Signals 41
- AUX TX Interface Data Signals 42
- AUX Interface Synchronization 47
- Auxiliary Latency Cycles 47
- Direct IQ Interface 51
- Direct HDLC Serial Interface 57
- RX MII Signals 62
- TX MII Signals 63
- MII Status Signals 64
- CPU Interface Signals 66
- Specifying the Control Word 67
- Auto-Rate Negotiation 70
- Extended Delay Measurement 71
- Resolution 72
- Deterministic Latency 73
- CPRI Link 75
- Interface to the External PLL 78
- Testing Features 79
- CPRI v6.0 IP Core Signals 82
- Clock Name 86
- Direction 86
- CPRI v6.0 IP Core Registers 90
- 2015.02.16 91
- INTR Register 92
- L1_STATUS Register 92
- L1_CONFIG Register 93
- BIT_RATE_CONFIG Register 94
- PROT_VER Register 95
- TX_SCR Register 96
- RX_SCR Register 96
- CM_CONFIG Register 97
- CM_STATUS Register 98
- START_UP_SEQ Register 98
- START_UP_TIMER Register 99
- FLSAR Register 100
- CTRL_INDEX Register 100
- TX_CTRL Register 101
- RX_CTRL Register 102
- RX_ERR Register 102
- LOOPBACK Register 103
- RX_BFN Register 103
- Bits Field Name Type Value on 104
- Description 104
- TX_DELAY Register 105
- RX_DELAY Register 106
- TX_EX_DELAY Register 107
- RX_EX_DELAY Register 107
- ROUND_TRIP_DELAY Register 108
- XCVR_BITSLIP Register 108
- UG-01156 110
- Subscribe 110
- Send Feedback 110
- Altera Corporation 112
- Additional Information 113
- How to Contact Altera 114
- Typographic Conventions 114
- Visual Cue Meaning 115
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