FE-Link V1.0 CSR

FE-Link Wiki

SDB

• SDB Device ID 0x371a0421

RegIO

Base address parameterizable. Address mask - 0x7F.

Reg 1, @0x00, Control, R/W

• [0] - reserved
• [1] - local counters lock
• [15:2] - reserved

Reg 2, @0x01, Status, RO

• [0] - PHY level sync accure
• [1] - rx sync (remote device PHY level sync)
• [2] - remote rx sync (remote device verified our PHY level sync)
• [3] - softpll locked (only for time receiving side)
• [4] - link ok
• [15:5] - reserved

Reg 3, @0x02, RX Bitslide, RO

Reg 4, @0x03, Remote Protocol Version, RO

• [3:0] - minor version
• [7:4] - major version
• [15:8] - reserved

Reg 5, @0x04, Remote ID, 64-bits, RO

• [47:0] - Serial ID

• [55:48] - Device ID

• [63:56] - reserved

Reg 6, @0x08, SYNC resend time, microseconds, 1000us by default, R/W

Reg 7, @0x09, Timeout for time frame receiving, miliseconds, 3000ms by default, R/W

Reg 8, @0x0A, TAI nanoseconds, 32-bits, RO (only for time receiving side)

• [0] - 0
• [1] - time valid
• [31:2] - nanoseconds

Reg 9, @0x0C, TAI seconds, 64-bits, RO (only for time receiving side)

Reg 10, @0x10, Current link state time, miliseconds, 32-bits, RO

Reg 11, @0x14, RX code error counter, 32-bits, RO

Reg 12, @0x16, RX CRC error counter, 32-bits, RO

Reg 13, @0x18, Time frames sent counter, 32-bits, RO

Reg 14, @0x1A, Trigger frames sent counter, 32-bits, RO

Reg 15, @0x1C, Time frames received counter, 32-bits, RO

Reg 16, @0x1E, Trigger frames received counter, 32-bits, RO

Reg 17, @0x20, Unknown frames received counter, 32-bits, RO