Altera Low Latency 40-Gbps Ethernet MAC and PHY MegaCore Bedienungsanleitung Seite 120
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Address Name Bit Description HW
Reset
Value
Access
• 6'b000000: 1000BASE-KX
• 6'b000001: 10GBASE-KX4
• 6'b000100: 10GBASE-KR
• 6'b001000: 40GBASE-KR4
• 6'b010000: 40GBASE-CR4
• 6'b100000: 100GBASE-CR10
The only valid value for the LL 40GBASE-KR4 IP
core is 6'b001000: 40GBASE-KR4.
0x0CB
AN LP ADV
Tech_A[24:0]
[24:0] Received technology ability field bits of Clause 73
Auto Negotiation. The following protocols are
defined:
• A0 1000BASE-KX
• A1 10GBASE-KX4
• A2 10GBASE-KR
• A3 40GBASE-KR4
• A4 40GBASE-CR4
• A5 100GBASE-CR10
• A24:6 are reserved
The only valid value for the LL 40GBASE-KR4 IP
core is A3: 40GBASE-KR4..
For more information, refer to Clause 73.6.4 and
AN LP base page ability registers (7.19-7.21) of
Clause 45 of IEEE 802.3ap-2007.
25'b0
RO
0x0CC
Override AN
Channel
Select
[3:0]
If you set the value of the Override AN Channel
Enable register field (0xC0[6]) to the value of 1,
then while 0xC0[6] has the value of 1, the value
in this register field (0xCC[3:0])overrides the
master channel you set with the Auto-Negotia‐
tion Master parameter.
This register field has the following valid values:
• 4'b0001: Selects Lane 0
• 4'b0010: Selects Lane 1
• 4'b0100: Selects Lane 2
• 4'b1000: Selects Lane 3
All other values are invalid. The new master
channel is encoded with one-hot encoding.
4'b0
RW
0x0D0
Reserved [3:2] Reserved
Reserved [14:12
]
Reserved
UG-01172
2015.05.04
LL 40GBASE-KR4 Registers
3-75
Functional Description
Altera Corporation
Send Feedback
- 101 Innovation Drive 1
- San Jose, CA 95134 1
- Contents 2
- Features 6
- Device Family Support 8
- IP Core Verification 9
- Simulation Environment 10
- Compilation Checking 10
- Hardware Testing 10
- Variation 11
- A B C D E F 11
- Parameter 11
- Release Information 14
- Getting Started 15
- OpenCore Plus IP Evaluation 17
- IP Core Parameters 19
- Parameter Type Range Default 23
- Parameter Description 23
- File Name Description 29
- Pin Assignments 32
- External TX MAC PLL 35
- File Names Description 38
- Initializing the IP Core 45
- Functional Description 46
- High Level System Overview 47
- Address Insertion 49
- Length/Type Field Processing 49
- Frame Padding 50
- Client Interface 51
- Data Bus Width (Bits) 51
- Three unusable words 57
- Order of Transmission 59
- RX CRC Forwarding 63
- Inter-Packet Gap 63
- Pause Ignore 63
- Control Frame Identification 64
- Name Direction Description 65
- Low Latency 100GbE CAUI–4 PHY 72
- External Transceiver PLL 72
- Pause Control Frame Filtering 76
- Statistics Counters Interface 79
- Name Signal 80
- Direction 80
- Description 80
- OctetOK Count Interface 82
- Transparent Clock Mode 85
- PTP Receive Functionality 87
- PTP Transmit Functionality 88
- 1588 PTP Interface Signals 90
- PTP Timestamp Formats 92
- PHY Status Interface 93
- Control and Status Interface 94
- Signal Name Description 97
- UG-01172 100
- 2015.05.04 100
- Related Information 108
- Software Interface: Registers 109
- PHY Registers 112
- LL 40GBASE-KR4 Registers 116
- Pause Registers 130
- TX Statistics Registers 137
- RX Statistics Registers 143
- 1588 PTP Registers 148
- Ethernet Glossary 150
- Term Definition 151
- Altera Corporation 153
- Send Feedback 153
- Arria 10 10GBASE-KR Registers 160
- 0x4D6 to 181
- MAC+PHY KR solution 181
- Subscribe 182
- Additional Information 187
- Date Compatible ACDS 188
- How to Contact Altera 194
- Typographic Conventions 195
- Visual Cue Meaning 196
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