参数资料
型号: SII3531ACNU
元件分类: 总线控制器
英文描述: PCI BUS CONTROLLER, QCC48
封装: 7 X 7 MM, 0.40 MM PITCH, LEAD FREE, QFN-48
文件页数: 7/81页
文件大小: 532K
代理商: SII3531ACNU
PCI Express to Serial ATA Controller
Data Sheet
Silicon Image, Inc.
2006 Silicon Image, Inc.
SiI-DS-0208-C
15
3.2 SiI3531A Pin Diagrams
The diagram below shows the pin layout for the SiI3531A in a 48 QFN package.
VSSD
NC
V
DDD
NC
V
DDO
NC
VSSD
48
47
46
45
44
43
42
41
40
39
38
37
VSSX
1
36
HPLE_N
XTALO
2
35
NC
XTALI
3
34
NC
VDDX
4
33
LED3
SiI3531A
VDDSPLL
5
32
LED2
VSSSPLL
6
31
HPL_N
Top View
SRx+
7
30
LED1
SRx-
8
29
VSSO
VDDS
9
28
VDDD
STx-
10
27
LED0
STx+
11
26
VSSD
VSSS
12
25
PERST_N
13
14
15
16
17
18
19
20
21
22
23
24
V
DDP
VSSP
PR
x+
PR
x-
V
DDP
VSSP
PTx-
PTx+
VSSP
V
DDP
RE
FCL
K
+
RE
FCL
K
-
Figure 3-1 Pin Diagram for 48 QFN
3.3 SiI3531A Pin Descriptions
3.3.1
PCI Express Pins
Signal Name
Pin Number(s)
Description
PRx+
15
Receive +. Serial receiver differential signal, positive side.
PRx-
16
Receive -. Serial receiver differential signal, negative side.
PTx+
20
Transmit +. Serial transmitter differential signal, positive side.
PTx-
19
Transmit -. Serial transmitter differential signal, negative side.
REFCLK+
23
Reference Clock +. PCI Express system supplied differential reference clock,
positive side.
REFCLK-
24
Reference Clock -. PCI Express system supplied differential reference clock,
negative side.
PERST_N
25
Reset. PERST_N initializes the PCI Express interface and sets internal
registers to their initial state.
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