Altera Low Latency 40-Gbps Ethernet MAC and PHY MegaCore Bedienungsanleitung Seite 82
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Name Signal
Direction
Description
rx_inc_ucast_
data_ok
Output Asserted for one cycle when a valid unicast RX frame, excluding
control frames, is received.
rx_inc_mcast_
ctrl
Output Asserted for one cycle when a valid multicast RX frame is received.
rx_inc_bcast_
ctrl
Output Asserted for one cycle when a valid broadcast RX frame is received.
rx_inc_ucast_
ctrl
Output Asserted for one cycle when a valid unicast RX frame is received.
rx_inc_pause
Output Asserted for one cycle when valid RX pause frames are received.
rx_inc_fcs_err
Output Asserted for one cycle when a RX packet with FCS errors is received.
rx_inc_fragment
Output Asserted for one cycle when a RX frame less than 64 bytes and
reporting a CRC error is received.
rx_inc_jabber
Output Asserted for one cycle when an oversized RX frame reporting a CRC
error is received.
rx_inc_sizeok_
fcserr
Output Asserted for one cycle when a valid RX frame with FCS errors is
received.
rx_inc_pause_
ctrl_err
Output Asserted for one cycle when an errored pause RX frame is received.
rx_inc_mcast_
ctrl_err
Output Asserted for one cycle when an errored multicast RX control frame is
received.
rx_inc_bcast_
ctrl_err
Output Asserted for one cycle when an errored broadcast RX control frame is
received.
rx_inc_ucast_
ctrl_err
Output Asserted for one cycle when an errored unicast RX control frame is
received.
Related Information
• TX Statistics Registers on page 3-92
• RX Statistics Registers on page 3-98
OctetOK Count Interface
The statistics counters include two 64-bit counters, RxOctetsOK and TxOctetsOK, which count the
payload bytes (octets) in frames with no FCS, undersized, oversized, or payload length errors. The
RxOctetsOK register maintains a cumulative count of the payload bytes in the qualifying received frames,
and complies with section 5.2.1.14 of the IEEE Standard 802.3-2008. The TxOctetsOK register maintains a
UG-01172
2015.05.04
OctetOK Count Interface
3-37
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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