Address
Bit Offset
Description
[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
continued...
9. Register Map
UG-20056 | 2019.02.04
Intel
®
Stratix
®
10 E-Tile Transceiver PHY User Guide
168