XRS10L620 Datasheet, PDF (37/49 Pages) Exar Corporation – PCI-X to 2-SATA/1-PATA Host Controller

29 R
28 R
27 R
26 R
25 RW
24 RW
23 RW
22 RW
21:20 RW
19:18 RW
17:16 RW
15 RW
14 RW
13 RW
12 RW
11 RW
10:8 RW
7:6 R
5 RW
4 RW
3:2 RW
XRS10L620 Rev 1.00
PRBS40BOK / ^{Switched by PHYCTRL=>PRBS40BLL_EN(bit4)}
1
PRBS40BOKLL _{1 = PRBS40B OK}
0 = PRBS40B error
PRBSALIGNOK / ^{Switched by PHYCTRL=>PRBSALIGNLL_EN(bit6)}
1
PRBSALIGNOKLL _{1 = PRBSALIGN OK 0 = PRBSALIGN error}
Switched by PHYCTRL=>RX_LOCKLL_EN(bit11)
RX_LOCK / ^{1 = RX input signal > squelch threshold level and RX is}
1
locked
RX_LOCKLL _{0 = RX input signal < squelch threshold level or RX is}
not locked
0
Reserved
1
RXRATE
1 = RX in 3G mode
0 = RX in 1.5G mode
Read value is from SATA return value
0
UP2_EN
Reserved
1
BLK_3RDDN_EN ^Reserved
CDR_CLKDP_DLY ^Reserved
0
_EN
Select different CDRCKOUT clock frequency
For Gen1 :
00 CDRCKOUT_SEL 00=disabled 01=37.5MHz 10=75MHz 11=150MHz
For Gen2 :
00=disabled 01=75MHz 10=150MHz 11=300MHz
01
CRCFHB
RX FIFO upper threshold
00= 12
01=13
10=14
11=15
01
CRCFLB
RX FIFO lower threshold
00= 4
01=5
10=6
11=7
Select PRBSOK latching low enable
0
PRBSOKLLEN 1 = Enable latching low for PRBSOK
0 = Disable latching low for PRBSOK
0
RXCRCBYP
Bypass RX Clock Rate Compensation FIFO
1 = Bypass
0 = No Bypass
1
CMMDETEN
1 = Enable comma detector in RX
0 = Disable comma detector in RX
Enable to select comma detection latching high
0
CMMDETLHEN 1 = Enable comma detection latching high
0 = Disable comma detection latching high
1
BTALIGNEN
1 = Enable byte alignment for comma detector
0 = Disable byte alignment for comma detector
Control squelch threshold voltage levels
000 = normal
100 = +20 %
000
SQTHSEL 001 = -10 %
101 = +40 % (for SAS)
010 = -20 %
110= reserved
011 = +10 %
111= reserved
00
Reserved
1
DCDEN
Dead(CDR Recovered) Clock Detection Enable
1 = Enable
0 = Disable
0
PHFREEZE
Freeze phase selection of phase interpolator.
1 = Freeze phase
0 = Normal mode
Control RX equalizer level
11
EQ
00 = no equalization
…
11 = strongest equalization
36
1/20/2009