XRS10L220 Datasheet, PDF (5/38 Pages) Exar Corporation – SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR

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EXSTOR - 1 XRS10L220
SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR
TABLE 1: XRS10L220 PIN DESCRIPTIONS
PIN NAME
PIN NUMBER
I/O
TYPE
DESCRIPTION
HBACT
76
O
LVCMOS 0 = Host 0 selected (status)
1 = No host selected (status)
0-1-0-1 Toggle = Host 1 selected (1 sec stay at each
state)
3.3V LVCMOS
PS_SIDEBAND_
77
B
I
LVCMOS +3.3V LVCMOS
Please refer to Table 2, “Host Port Selection,” on
page 6
PORTSEL
2
I
LVCMOS Port selector external input pin when this mode is set in
the register. Low selects host port 0, otherwise port 1.
+3.3V LVCMOS
TEST PIN
ANTEST
51
O
Analog Analog test pin
CLKSTN/
CLKSTP
24, 25
O
CML Output clock test pin
AC
Coupled
RESERVED PINS
NC
7, 8, 10, 11, 16,
17, 19, 20, 27,
28, 30, 31, 36,
37, 39, 40, 71,
72
No Connect
SCANMODE
41
I
LVCMOS For factory use only. connect to ground.
POWER AND GROUND SIGNALS
VDD
9, 18, 23, 29,
I
38, 54, 58, 67,
79, 83, 92, 98
1.2V supply.
VDDA
14, 34, 45, 50,
I
62, 87
1.2V Analog supply.
VSS
4, 6, 12, 15, 21,
I
22, 26, 32, 35,
53, 55, 61, 64,
70, 78, 80, 86,
89, 95
Ground.
VSSA
13, 33, 42, 48,
I
63, 88
Analog Ground.
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