E-Tile Transceiver PHY User Guide

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ID 683723
Date 7/08/2024
Public
Document Table of Contents
Document Table of Contents x
1. E-Tile Transceiver PHY Overview 2. Implementing the Transceiver PHY Layer 3. E-Tile Transceiver PHY Architecture 4. Clock Network 5. PMA Calibration 6. Resetting Transceiver Channels 7. Dynamic Reconfiguration 8. Dynamic Reconfiguration Examples 9. Register Map 10. Debugging E-Tile Transceiver Links A. E-Tile Channel Placement Tool B. PMA Direct PAM4 30 Gbps to 57.8 Gbps Implementation C. Signal Detect Algorithm D. Detailed Steps for Reconfiguring from Mission Mode to Channel Protection Mode E. Detailed Steps for Reconfiguring from Channel Protection Mode to Mission Mode F. Hold Timing Violation
1. E-Tile Transceiver PHY Overview x
1.1. Supported Features 1.2. E-Tile Layout in Stratix® 10 Device Variants 1.3. E-Tile Layout in Agilex™ 7 F-Series Device Variants 1.4. Transceiver Counts 1.5. E-Tile Building Blocks 1.6. E-Tile Transceiver PHY Overview Revision History
1.2. E-Tile Layout in Stratix® 10 Device Variants x
1.2.1. Stratix® 10 TX H-Tile and E-Tile Configurations 1.2.2. Stratix® 10 MX H-Tile and E-Tile Configurations 1.2.3. Stratix® 10 DX P-Tile and E-Tile Configurations
1.5. E-Tile Building Blocks x
1.5.1. GXE Transceiver Channel 1.5.2. GXE Channel Usage 1.5.3. Reference Clocks 1.5.4. Ethernet Hard IP (EHIP) 1.5.5. Supported Applications/Modes 1.5.6. Feature Comparison Between Transceiver Tiles
2. Implementing the Transceiver PHY Layer x
2.1. Transceiver Design Flow in the Native PHY IP Core 2.2. Configuring the Native PHY IP Core 2.3. Implementing the Transceiver PHY Layer Revision History
2.1. Transceiver Design Flow in the Native PHY IP Core x
2.1.1. E-Tile Native PHY IP Core
2.2. Configuring the Native PHY IP Core x
2.2.1. General and Datapath Parameters 2.2.2. PMA Parameters 2.2.3. Core Interface Options 2.2.4. PMA Interface 2.2.5. PMA Adaptation Parameters 2.2.6. Reed Solomon Forward Error Correction (RS-FEC) Parameters 2.2.7. Reset Parameters 2.2.8. Dynamic Reconfiguration Parameters 2.2.9. Deskew Logic 2.2.10. Port Information 2.2.11. PLL Mode 2.2.12. Simplex Support
2.2.2. PMA Parameters x
2.2.2.1. TX PMA Options 2.2.2.2. TX PMA Pre-equalization 2.2.2.3. RX PMA Options 2.2.2.4. RX PMA Optional Ports
2.2.3. Core Interface Options x
2.2.3.1. Core Interface Parameters 2.2.3.2. TX Clock Options 2.2.3.3. RX Clock Options 2.2.3.4. Latency Measurement Options
2.2.4. PMA Interface x
2.2.4.1. PMA Interface Options 2.2.4.2. Gearbox 64/66
2.2.6. Reed Solomon Forward Error Correction (RS-FEC) Parameters x
2.2.6.1. Fibre-Channel and CPRI Modes 2.2.6.2. 128 GFC Mode 2.2.6.3. 25 GbE FEC Direct Mode 2.2.6.4. Interlaken Mode
3. E-Tile Transceiver PHY Architecture x
3.1. Physical Medium Attachment (PMA) Architecture 3.2. Physical Coding Sublayer (PCS) Architecture 3.3. Reed Solomon Forward Error Correction (RS-FEC) Architecture 3.4. E-Tile Transceiver PHY Architecture Revision History
3.1. Physical Medium Attachment (PMA) Architecture x
3.1.1. Transmitter PMA 3.1.2. Receiver PMA 3.1.3. PMA Tuning 3.1.4. Duplex Adaptation Flow 3.1.5. RX Simplex Adaptation Flow 3.1.6. Dynamic Reconfiguration Adaptation Flow 3.1.7. Loopback modes 3.1.8. PMA Interface 3.1.9. TX PMA Bonding 3.1.10. Unused Transceiver Channels 3.1.11. Low Power Mode (LPM)
3.1.1. Transmitter PMA x
3.1.1.1. High Speed Differential Transmitter 3.1.1.2. Gray Encoder/Precoder 3.1.1.3. Serializer 3.1.1.4. Data Pattern Generation
3.1.1.1. High Speed Differential Transmitter x
3.1.1.1.1. High Speed Transmitter Line Buffer 3.1.1.1.2. TX Equalizer
3.1.2. Receiver PMA x
3.1.2.1. Receiver Buffer 3.1.2.2. Clock Data Recovery (CDR) Block 3.1.2.3. Input Sampler 3.1.2.4. Deserializer 3.1.2.5. Data Pattern Verifier
3.1.2.1. Receiver Buffer x
3.1.2.1.1. Programmable Termination Modes 3.1.2.1.2. RX Adaptation Modes
3.1.3. PMA Tuning x
3.1.3.1. Purpose of PMA Tuning 3.1.3.2. PMA Bring Up Flow 3.1.3.3. PMA Tuning Guidelines 3.1.3.4. General PMA Tuning Guidelines
3.1.7. Loopback modes x
3.1.7.1. Internal Serial Loopback Path 3.1.7.2. Reverse Parallel Loopback Path
3.1.9. TX PMA Bonding x
3.1.9.1. Transceiver Interface Deskew Logic 3.1.9.2. Dedicated Balanced PLL Reference Clock Tree
3.1.10. Unused Transceiver Channels x
3.1.10.1. Unused Transceiver Channels in a Used Tile 3.1.10.2. Unused Transceiver Channels in Completely Unused Tiles 3.1.10.3. Unused Transceiver Channels in High-Speed PAM4 Mode 3.1.10.4. Reconfiguring from Mission Mode to Channel Protection Mode 3.1.10.5. Reconfiguring from Channel Protection Mode to Mission Mode
3.3. Reed Solomon Forward Error Correction (RS-FEC) Architecture x
3.3.1. RS-FEC Modes
4. Clock Network x
4.1. Reference Clock Pins 4.2. Core Clock Network Use Case 4.3. Clock Network Revision History
4.1. Reference Clock Pins x
4.1.1. QSF Assignments for Reference Clock Pins 4.1.2. Dynamic Reconfiguration of Reference Clock
4.2. Core Clock Network Use Case x
4.2.1. Single 25 Gbps PMA Direct Channel (with FEC) Within a Single FEC Block 4.2.2. Single 10 Gbps PMA Direct Channel (without FEC) 4.2.3. Four 25 Gbps PMA Direct Channel (with FEC) within a Single FEC Block 4.2.4. PMA Direct 25 Gbps x 4 (FEC Off) 4.2.5. PMA Direct 10.3125 Gbps x 4 4.2.6. PMA Direct 100GE Gbps (25 Gbps x 4) (FEC On) 4.2.7. PMA Direct 100GE PAM4 (50 Gbps x 2) (Aggregate FEC On) 4.2.8. PMA Direct High Data Rate (FEC Off)
4.2.3. Four 25 Gbps PMA Direct Channel (with FEC) within a Single FEC Block x
4.2.3.1. Master-Slave Configuration: Option 1 4.2.3.2. Master-Slave Configuration: Option 2
5. PMA Calibration x
5.1. PMA Calibration Revision History
6. Resetting Transceiver Channels x
6.1. When Is Reset Required? 6.2. How Do I Reset? 6.3. Reset Block Architecture 6.4. PMA Analog Reset 6.5. High Level Specification 6.6. Master-Slave Clocking Option 2 Reset Details 6.7. Quartus® Prime Instantiated Transceiver Reset Sequencer 6.8. Block Diagrams 6.9. Interfaces 6.10. Resetting Transceiver Channels Revision History
6.2. How Do I Reset? x
6.2.1. Disabling the E-Tile Transceiver 6.2.2. Selecting the Reset Controller's Clock Source
6.5. High Level Specification x
6.5.1. Automatic Reset Mode 6.5.2. Manual Reset Mode 6.5.3. Reset Controller Bypass
6.5.3. Reset Controller Bypass x
6.5.3.1. Reset Controller Bypass Ports 6.5.3.2. Reset Controller Bypass Reset Procedure
6.9. Interfaces x
6.9.1. Reset Parameters in the Native PHY GUI 6.9.2. HDL Ports/Interfaces
7. Dynamic Reconfiguration x
7.1. Dynamically Reconfiguring Channel Blocks 7.2. Dynamic Reconfiguration Maximum Data Rate Switch 7.3. Interacting with the Dynamic Reconfiguration Interface 7.4. Unsupported Features 7.5. Reading from the Dynamic Reconfiguration Interface 7.6. Writing to the Dynamic Reconfiguration Interface 7.7. Multiple Reconfiguration Profiles 7.8. Arbitration 7.9. Recommendations for PMA Dynamic Reconfiguration 7.10. Steps to Perform Dynamic Reconfiguration 7.11. PMA Attribute Details 7.12. Dynamic Reconfiguration Flow for Special Cases 7.13. Ports and Parameters 7.14. Embedded Debug Features 7.15. Timing Closure Recommendations 7.16. Transceiver Register Map 7.17. Loading IP Configuration Settings 7.18. Dynamic Reconfiguration Revision History
7.7. Multiple Reconfiguration Profiles x
7.7.1. Reconfiguration Files 7.7.2. Embedded Reconfiguration Streamer
7.7.2. Embedded Reconfiguration Streamer x
7.7.2.1. Register 0x40140 7.7.2.2. Register 0x40141
7.12. Dynamic Reconfiguration Flow for Special Cases x
7.12.1. Switching Reference Clocks 7.12.2. Reconfiguring PMA Settings
7.12.1. Switching Reference Clocks x
7.12.1.1. Switching Between Any Two refclk[0, 1, 2, 3, 4, 5, 6, 7] Reference Clocks or Changing the Reference Clock Frequency on refclk[0, 2, 3, 4, 5, 6, 7, 8] 7.12.1.2. Switching from/to refclk[0, 1, 2, 3, 4, 5, 6, 7] to/from refclk[8] 7.12.1.3. Changing the refclk[1] Reference Clock Frequency
7.14. Embedded Debug Features x
7.14.1. Native PHY Debug Master Endpoint (NPDME) 7.14.2. Optional Dynamic Reconfiguration Logic
7.14.2. Optional Dynamic Reconfiguration Logic x
7.14.2.1. Capability Registers 7.14.2.2. Control and Status Registers
7.17. Loading IP Configuration Settings x
7.17.1. Loading IP Configuration Settings Process 7.17.2. Alternative Method for Setting PMA Attributes
8. Dynamic Reconfiguration Examples x
8.1. Reconfiguring the Duplex PMA Using the Reset Controller in Automatic Mode 8.2. PRBS Usage Model 8.3. PMA Error Injection 8.4. PMA Receiver Equalization Adaptation Usage Model 8.5. User-Defined Pattern Example 8.6. Configuring the Attenuation Value (VOD) 8.7. Configuring the Post Emphasis Value 8.8. Configuring pretap1 Values 8.9. Inverting TX Polarity for the PMA Driver 8.10. Inverting RX Polarity for the PMA Driver 8.11. Configuring a PMA Parameter Tunable by the Adaptive Engine 8.12. Configuring a PMA Parameter Using Native PHY IP 8.13. Enabling Low Power Mode for Multiple Channels 8.14. Initializing an RX 8.15. Resetting the RX Equalization 8.16. Dynamic Reconfiguration Examples Revision History
8.12. Configuring a PMA Parameter Using Native PHY IP x
8.12.1. PMA Bring Up Flow Using Native PHY IP 8.12.2. Native PHY IP GUI Details 8.12.3. Loading a PMA Configuration
9. Register Map x
9.1. PMA Register Map 9.2. PMA Attribute Codes 9.3. PMA Registers 0x200 to 0x203 Usage 9.4. Supported Data Rate Ratios for PMA Attribute Codes 0x0005 and 0x0006 9.5. RS-FEC Registers 9.6. Register Map Revision History
9.1. PMA Register Map x
9.1.1. PMA Capability Registers 9.1.2. PMA Control and Status Registers 9.1.3. PMA Avalon® Memory-Mapped Interface
9.2. PMA Attribute Codes x
9.2.1. 0x0001: PMA Enable/Disable 9.2.2. 0x0002: PMA PRBS Settings 9.2.3. 0x0003: Data Comparison Set Up and Start/Stop 9.2.4. 0x0005: TX Channel Divide By Ratio 9.2.5. 0x0006: RX Channel Divide By Ratio 9.2.6. 0x0008: Internal Serial Loopback and Reverse Parallel Loopback Control 9.2.7. 0x000A: Receiver Tuning Controls 9.2.8. 0x000E: RX Phase Slip 9.2.9. 0x0011: PMA TX/RX Calibration 9.2.10. 0x0013: TX/RX Polarity and Gray Code Encoding 9.2.11. 0x0014: TX/RX Width Mode 9.2.12. 0x0015: TX Equalization 9.2.13. 0x0017: Error Counter Reset 9.2.14. 0x0018: Status/Debug Register 9.2.15. 0x0019: Status/Debug Register Next Write Field 9.2.16. 0x001A: Status/Debug Register Next Read Field 9.2.17. 0x001B: TX Error Injection Signal 9.2.18. 0x001C: Incoming RX Data Capture 9.2.19. 0x001E: Error Count Status 9.2.20. 0x0020: Electrical Idle Detector 9.2.21. 0x002B: RX Termination and TX Driver Tri-state Behavior 9.2.22. 0x0030: PMA Mux Clock Swap 9.2.23. 0x0126: Read Receiver Tuning Parameters 9.2.24. Reading and Writing PMA Analog Parameters Using Attributes
9.2.24. Reading and Writing PMA Analog Parameters Using Attributes x
9.2.24.1. Reading PMA Analog Parameters 9.2.24.2. Updating PMA Analog Parameters 9.2.24.3. Loading Parameters into the Receiver 9.2.24.4. Fixing Parameter Values 9.2.24.5. Reading NRZ/PAM4 Eye Height 9.2.24.6. Enabling and Disabling Electrical Idle Detector Filtering and Reading Electrical Idle Detector Status 9.2.24.7. Initial Adaptation Effort Levels
9.3. PMA Registers 0x200 to 0x203 Usage x
9.3.1. PMA Analog Reset 9.3.2. Set PRBS Mode and Internal Serial Loopback 9.3.3. Use Cases for Opcode START_ADAPTATION 9.3.4. Read the Physical Channel Number 9.3.5. Check the PMA Adaptation Status 9.3.6. Load a PMA Configuration using Opcode LOAD_PMA_CONFIGURATION
9.5. RS-FEC Registers x
9.5.1. rsfec_top_clk_cfg 9.5.2. rsfec_top_tx_cfg 9.5.3. rsfec_top_rx_cfg 9.5.4. tx_aib_dsk_conf 9.5.5. rsfec_core_cfg 9.5.6. rsfec_lane_cfg 9.5.7. tx_aib_dsk_status 9.5.8. rsfec_debug_cfg 9.5.9. rsfec_lane_tx_stat 9.5.10. rsfec_lane_tx_hold 9.5.11. rsfec_lane_tx_inten 9.5.12. rsfec_lane_rx_stat 9.5.13. rsfec_lane_rx_hold 9.5.14. rsfec_lane_rx_inten 9.5.15. rsfec_lanes_rx_stat 9.5.16. rsfec_lanes_rx_hold 9.5.17. rsfec_lanes_rx_inten 9.5.18. rsfec_ln_mapping_rx 9.5.19. rsfec_ln_skew_rx 9.5.20. rsfec_cw_pos_rx 9.5.21. rsfec_core_ecc_hold 9.5.22. rsfec_err_inj_tx 9.5.23. rsfec_err_val_tx 9.5.24. rsfec_corr_cw_cnt (Low) 9.5.25. rsfec_corr_cw_cnt (High) 9.5.26. rsfec_uncorr_cw_cnt (Low) 9.5.27. rsfec_uncorr_cw_cnt (High) 9.5.28. rsfec_corr_syms_cnt (Low) 9.5.29. rsfec_corr_syms_cnt (High) 9.5.30. rsfec_corr_0s_cnt (Low) 9.5.31. rsfec_corr_0s_cnt (High) 9.5.32. rsfec_corr_1s_cnt (Low) 9.5.33. rsfec_corr_1s_cnt (High)
10. Debugging E-Tile Transceiver Links x
10.1. E-Tile Transceiver Toolkit Overview 10.2. E-Tile Transceiver Debugging Flow Walkthrough 10.3. Modifying the Design to Enable E-Tile Transceiver Debug 10.4. Programming the Design into an Intel FPGA 10.5. Loading the Design in the E-Tile Transceiver Toolkit 10.6. Verifying E-Tile Hardware Connections 10.7. Running Transceiver Tests 10.8. Controlling PMA Analog Settings 10.9. Debugging E-Tile Transceiver Links Revision History
10.3. Modifying the Design to Enable E-Tile Transceiver Debug x
10.3.1. Debug Parameters for the E-Tile Transceiver IP in the Parameter Editor 10.3.2. Debug Parameters for Stratix® 10 E-Tile Transceiver Native PHY IP in the Parameter Editor 10.3.3. Instantiating and Parameterizing E-Tile Transceiver IP
10.7. Running Transceiver Tests x
10.7.1. Running BER Tests 10.7.2. Link Optimization Tests 10.7.3. Running Eye Viewer Tests
A. E-Tile Channel Placement Tool x
A.1. E-Tile Channel Placement Tool Revision History
B. PMA Direct PAM4 30 Gbps to 57.8 Gbps Implementation x
B.1. Building Blocks and Considerations B.2. Starting a New Quartus® Prime Pro Edition Design B.3. Selecting the Configuration Clock Source B.4. Instantiating the Transceiver Native PHY IP B.5. Instantiating the In-system Sources and Probes Intel® FPGA IP B.6. Making the Top Level Connection B.7. Assigning Pins B.8. Bringing up the Board B.9. Debug Tools B.10. PMA Direct PAM4 30 Gbps to 57.8 Gbps Implementation Revision History
B.9. Debug Tools x
B.9.1. Monitoring Transceiver Signals
C. Signal Detect Algorithm x
C.1. Signal Detect Algorithm Revision History
D. Detailed Steps for Reconfiguring from Mission Mode to Channel Protection Mode x
D.1. Detailed Steps for Reconfiguring from Mission Mode to Channel Protection Mode Revision History
E. Detailed Steps for Reconfiguring from Channel Protection Mode to Mission Mode x
E.1. Detailed Steps for Reconfiguring from Channel Protection Mode to Mission Mode Revision History
F. Hold Timing Violation x
F.1. Hold Timing Violation Revision History
1. E-Tile Transceiver PHY Overview
2. Implementing the Transceiver PHY Layer
3. E-Tile Transceiver PHY Architecture
4. Clock Network
5. PMA Calibration
6. Resetting Transceiver Channels
7. Dynamic Reconfiguration
8. Dynamic Reconfiguration Examples
9. Register Map
10. Debugging E-Tile Transceiver Links
A. E-Tile Channel Placement Tool
B. PMA Direct PAM4 30 Gbps to 57.8 Gbps Implementation
C. Signal Detect Algorithm
D. Detailed Steps for Reconfiguring from Mission Mode to Channel Protection Mode
E. Detailed Steps for Reconfiguring from Channel Protection Mode to Mission Mode
F. Hold Timing Violation

9.1.3. PMA Avalon® Memory-Mapped Interface

Table 77.  PMA Avalon® Memory-Mapped Interface
Address Bit Offset Description
0x4 [0] TX datapath clock enable
[1] Transmit full clock out (PMA Clock) enable
[4:2] Transmit data-input select, Default: 3'b000
[5] Transmit full clock out (clk_tx_adapt) select
[6] Transmit clock datapath select
[7] Transmit adaptation order select. Determines how 64 bits are sent to 32-bit transceiver channel
0x5 [1:0] Transmit multi-lane data select
[2] TX Gearbox clock enable
[3] TX datapath clock enable
[4] TX PCS div2 clock input enable
[5] TX FEC div2 clock input enable
[6] TX EHIP div2 clock input enable
[7] TX direct clock input enable
0x6 [0] RX datapath clock enable
[1] Receive full clock out (rx_pma_clk) enable
[2] Receive half clock out (rx_pcs_clk) enable
[3] Receive div66 clock out (rx_pcs_div66_clk) enable
[4] Receiver adaptation order select. Determines how 64 bits are combined from 32-bit transceiver channel
[6:5] Receiver adapter data select
[7] Receiver reverse bit order in Gearbox
0x7 [0] Receiver reverse 64/66 sync header bit order in Gearbox
[1] RX FIFO Read clock enable
[2] Receive Gearbox and FIFO write clock enable
[4:3] Receive direct-data mode multi-lane data select. Only active if cfg_rx_adapter_sel is not equal to b'01. These are one-hot encoded
[6:5] Select RX FIFO Read clock
[7] RX adapter clock enable
0x8 [0] Reverse data bit transmission order in TX Gearbox
[1] Reverse 64/66 sync header bit order transmission in TX Gearbox
[3] Dynamic bitslip enable for TX Gearbox
[5] Specify 64/66 sync header location in TX Gearbox
0x9 [1:0] TX Deskew multi-lane mode select
[3:2] TX deskew bits

00 = not yet received a deskew-bit

01 = not aligned

10 = received 1 set of aligned deskew-bits

11 = received 16 sets of aligned deskew-bits
[4] TX deskew alignment status

0 = not aligned or not enabled or didn't receive a deskew-bit

1 = aligned
[5] RX FIFO bit-67 select
0xA [2:0] Transmit deskew enable (using one-hot encoding)
[5] Dynamic rx_bitslip enable
0x10 [4:0] Transceiver interface RX FIFO empty threshold
[7:6] Transceiver interface RX FIFO almost empty threshold
0x11 [2:0] Transceiver interface RX FIFO almost empty threshold
[7:4] Transceiver interface RX FIFO full threshold
0x12 [0] Transceiver interface RX FIFO full threshold
[6:2] Transceiver interface RX FIFO almost full threshold
0x13 [6] RX FIFO Read when Empty
[7] RX FIFO Write when Full
0x14 [4:0] Transceiver interface TX FIFO empty threshold
[7:6] Transceiver interface TX FIFO almost empty threshold
0x15 [2:0] Transceiver interface TX FIFO almost empty threshold
[7:4] Transceiver interface TX FIFO full threshold
0x16 [0] Transceiver interface TX FIFO full threshold
[6:2] Transceiver interface TX FIFO almost full threshold
0x17 [5:4] TX FIFO Phase Compensation mode
[6] TX FIFO Write when Full
[7] TX FIFO Read when Empty
0x1C [7:0] Transmit output value [31:0] when the user_reset is active (after FPGA initialization)
0x1D [7:0] Transmit output value [31:0] when the user_reset is active (after FPGA initialization)
0x1E [7:0] Transmit output value [31:0] when the user_reset is active (after FPGA initialization)
0x1F [7:0] Transmit output value [31:0] when the user_reset is active (after FPGA initialization)
0x20 [7:0] Transmit output value [63:32] when the user_reset is active (after FPGA initialization)
0x21 [7:0] Transmit output value [63:32] when the user_reset is active (after FPGA initialization)
0x22 [7:0] Transmit output value [63:32] when the user_reset is active (after FPGA initialization)
0x23 [7:0] Transmit output value [63:32] when the user_reset is active (after FPGA initialization)
0x24 [2:0] Transmit output value [66:64] when the user_reset is active (after FPGA initialization)
0x28 [14:8] RX bit position for Async latency pulse generator (deterministic latency).
[6:0] Number of RX bitslip pulses received by the RX gearbox since the previous reset.
0x34 [1:0] Serialization factor for rx_bit_counter
[7:4] The value at which rx_bit_counter should reset to 0. Set to 5280-32 for RS-FEC
0x35 [7:0] The value at which rx_bit_counter should reset to 0. Set to 5280-32 for RS-FEC
0x36 [0] The value at which rx_bit_counter should reset to 0. Set to 5280-32 for RS-FEC
[3] Read-Write self clear
[4] transmit div66 clock out (tx_pcs_div66_clk) enable
0x37 [0] Transmit sclk_enable
[2:1] Increment TX FIFO latency select
[4] Receive sclk_enable
[6:5] Increment RX FIFO latency select
[7] Async latency pulse select
0x38 [0] Duty cycle correction: duty cycle correction bypass disable
[1] DCC: DCC master enable
[2] DCC: select continuous cal
0x3C [1] DCC : enable for FSM
0x80 [7:0] Core PMA attribute control
0x81 [7:0] Core PMA attribute control
0x84 [7:0] PMA attribute data
0x85 [7:0] PMA attribute data
0x86 [7:0] PMA attribute code
0x87 [7:0] PMA attribute code
0x88 [7:0] Lower byte of the PMA attribute code return value
0x89 [7:0] Upper byte of the PMA attribute code return value
0x8A [7] Indicates the PMA attribute has been transmitted to the PMA successfully
0x8B [0] 1'b0 indicates the PMA has finished acting on the PMA attribute and the PMA attribute code return value is available on registers 0x88/0x89
0x90 [0] Loads the contents of registers 0x84 to 0x87 (which form the PMA attribute contents) to the PMA
0x91 [0] Loads either the initial PMA setting or the last selected profile into the PMA. Used when changing the PMA's reference clock as described in Switching Reference Clocks.
0x95 [5] 1'b1 calibrates the PMA when loading new settings
0xA4 [7:0] Seq3 TX bit to refclk ratio
0xA8 [7:0] Seq4 RX bit to refclk ratio
0xB0 [2:0]

Enable/Disable Phase optimizer

3'b001: TX bit width = 20b

3'b011: TX bit width = 40b

3'b100: TX bit width = 16b

3'b101: TX bit width = 32b

3'b110: TX bit width = 64b
[3]

1'b0: TX encoding is NRZ

1'b1: TX encoding is PAM4
[6:4]

3'b001: RX bit width = 20b

3'b011: RX bit width = 40b

3'b100: RX bit width = 16b

3'b101: RX bit width = 32b

3'b110: RX bit width = 64b
[7]

1'b0: RX encoding is NRZ

1'b1: RX encoding is PAM4
0xE8 [7:0] Interrupt Sequence serdes enable setting
0xEC [3:0] Selects reference clocks [0-8] muxed onto refclkin_in_A
[7:4] Selects which reference clock [0-8] is mapped to refclk4 in the Native PHY IP core
0xEE [3:0] Selects which reference clock [0-8] is mapped to refclk0 in the Native PHY IP core
[7:4] Selects which reference clock [0-8] is mapped to refclk1 in the Native PHY IP core
0xEF [3:0] Selects which reference clock [0-8] is mapped to refclk2 in the Native PHY IP core
[7:4] Selects which reference clock [0-8] is mapped to refclk3 in the Native PHY IP core
0x200 [7:0] Places the PMA in analog reset or sets up the PMA operating mode (see PMA Registers 0x200 to 0x203 Usage)
0x201 [7:0] Places the PMA in analog reset or sets up the PMA operating mode (see PMA Registers 0x200 to 0x203 Usage)
0x202 [7:0] Places the PMA in analog reset or sets up the PMA operating mode (see PMA Registers 0x200 to 0x203 Usage)
0x203 [7:0] Places the PMA in analog reset or sets up the PMA operating mode (see PMA Registers 0x200 to 0x203 Usage)
0x204 [7:0]

Returns the physical channel number in order to load the IP configuration to a different channel
0x207 [0]

0 indicates the operation completed successfully
0x207 [7] 1 indicates the last operation on registers 0x200 to 0x203 completed. You must also read 0x207[0] to check whether the operation was successful.
Related Information
Level Two Title