37.15.1 PHY Control Register 00

Table 37-81. Register Bit Attribute Legend
SymbolDescriptionSymbolDescriptionSymbolDescription
RReadable bitHCCleared by Hardware(Grey cell)Unimplemented
WWritable bitHSSet by HardwareXBit is unknown at Reset
KWrite to clearSSoftware settable bit
Name: PHY00
Offset: 0x1500
Reset: 0x00000019
Property: PAC Write-Protection

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
 RXPHSSEL[2:0]SLEWRATE[1:0]PREEMP[2:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00011001 

Bits 7:5 – RXPHSSEL[2:0] RX Clock Phase Select

The delay associated with each step is 256ps.

ValueDescription
111Represents the latest phase (7 * 256ps)
110-
100-
011-
010-
001-
000Represents the earliest phase (0 * 256ps)

Bits 4:3 – SLEWRATE[1:0] Adjustment for FS/LS Slew Rate

ValueDescription
11Slowest Slew Rate
10-
01-
00Fastest Slew Rate

Bits 2:0 – PREEMP[2:0] Pre-Emphasis Setting

ValueDescription
111Enable pre-emphasis always
110Enable pre-emphasis during chirp and non-chirp
100Enable pre-emphasis during non-chirp
011Enable pre-emphasis during SOF and EOP and chirp
010Enable pre-emphasis during chirp
001Enable pre-emphasis during SOF and EOP
000Disable pre-emphasis