PCI Express to Serial ATA Controller
Data Sheet
Silicon Image, Inc.
2006 Silicon Image, Inc.
SiI-DS-0208-C
14
3 Pin Definition
3.1 SiI3531A Pin Listing
This section describes the pin-out of the SiI3531A PCI Express to Serial ATA host controller. The table below gives the pin
numbers, pin names, pin types, drive types where applicable, internal resistors where applicable, and descriptions. Power
pins (VDD and VSS) are excluded from this listing.
Table 3-1 SiI3531A Pin Listing
Pin #
Pin Name
Type
Drive
Internal
Resistor
Description
2
XTALO
Analog
Crystal Output
3
XTALI
Analog
Crystal Input
7
SRx+
Diff In
Serial ATA differential receiver + input
8
SRx-
Diff In
Serial ATA differential receiver – input
10
STx-
Diff Out
Serial ATA differential transmitter – output
11
STx+
Diff Out
Serial ATA differential transmitter + output
15
PRx+
Diff In
PCI Express differential receiver + input
16
PRx-
Diff In
PCI Express differential receiver – input
19
PTx-
Diff Out
PCI Express differential transmitter – output
20
PTx+
Diff Out
PCI Express differential transmitter + output
23
REFCLK+
Diff In
PCI Express differential reference clock + input
24
REFCLK-
Diff In
PCI Express differential reference clock - input
25
PERST_N
I-Schmitt
PCI Express Reset
27
LED0
OD
12 mA
Activity LED indicator
30
LED1
OD
12 mA
Connect LED indicator
31
HPL_N
I-Schmitt
70K Pull Up
Hot Plug Switch input
32
LED2
OD
12 mA
Hot Plug Attention LED indicator
33
LED3
OD
12 mA
Hot Plug Power LED indicator
34
NC
-
58K Pull Down
Do Not Connect to any circuitry
35
NC
-
58K Pull Down
Do Not Connect to any circuitry
36
HPLE_N
I
70K Pull Up
Hot Plug Enable
38
NC
-
70K Pull Up
Do Not Connect to any circuitry
39
NC
-
70K Pull Up
Do Not Connect to any circuitry
40
NC
-
70K Pull Up
Do Not Connect to any circuitry
41
NC
-
70K Pull Up
Do Not Connect to any circuitry
43
NC
-
70K Pull Up
Do Not Connect to any circuitry
44
NC
-
70K Pull Up
Do Not Connect to any circuitry
45
NC
-
70K Pull Up
Do Not Connect to any circuitry
47
NC
-
58K Pull Down
Do Not Connect to any circuitry
Table 3-2 Pin Types
Pin Type
Pin Description
I
Input Pin with LVTTL Thresholds
I-Schmitt
Input Pin with Schmitt Trigger
Analog
Analog Input Pin
I/O-Schmitt
Bi-directional Pin with Schmitt Trigger
OD
Open Drain Output Pin