XRS10L120 Datasheet, PDF (31/52 Pages) Exar Corporation – SERIAL ATA II: 1:2 PORT MULTIPLIER

REV. P1.0.1
PRELIMINARY
XRS10L120
SERIAL ATA II: 1:2 PORT MULTIPLIER
ADDRESS
HEX
N.0040
N.0041
N.0042
N.0043
N.0044
TABLE 10: PLL CONFIGURATION/DEBUG REGISTERS (MDIO DEVICE 1 AND 2)
BIT(S)
NAME
R/W
DEFAULT
DESCRIPTION
7:6
Reserved
RO
-
Reserved
5:0
FBDIV[5:0]
100101
Divide value for feedback clock
110000 = divide by 5
100000 = divide by 10
100001 = divide by 15
100010 = divide by 20
100011 = divide by 25
100101 = divide by 30 (default)
100111 = divide by 50
101101 = divide by 60
Other - reserved
7:6
Reserved
RO
-
Reserved
5:0
REFDIV[5:0]
000000
Divide values for system clock
010000 = divide by 1
000000 = divide by 2 (default)
000001 = divide by 3
000010 = divide by 4
000011 = divide by 5
000101 = divide by 6
000110 = divide by 8
000111 = divide by 10
001101 = divide by 12
001110 = divide by 16
001111 = divide by 20
Others - reserved
7:6
Reserved
RO
-
Reserved
5:0
SSCInc
R/W
0x01 Step size for SSC increment
7:6
Reserved
RO
-
Reserved
5:0
SSCIncIntrv
R/W
01100 Interval between steps for SSC increment
7:6
Reserved
RO
-
Reserved
5:0
SSCMax
R/W
00000 Maximum value for spread
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