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: 8/81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
16
3.3.2
LED / Hot Plug pins
Signal Name
Pin Number(s)
Description
LED0
27
Activity LED. Activity LED driver for the Serial ATA channel. This is an active
low output (LED lit when pin is at 0V).
LED1
30
Connect LED. Connect LED driver for the Serial ATA channel. This is an
active low output (LED lit when pin is at 0V).
LED2
32
Hot Plug LED. ATTENTION LED driver for Hot Plug. This is an active low
output (LED lit when pin is at 0V).
LED3
33
Hot Plug LED. POWER LED driver for Hot Plug. This is an active low output
(LED lit when pin is at 0V).
HPL_N
31
Hot Plug Switch input. Input for the Hot Plug Attention switch. This is an
active low input (closed switch connects input to 0V).
HPLE_N
36
Hot Plug enable. Active low enable for the Hot Plug I/Os.
3.3.3
Serial ATA Signals
Signal Name
Pin Number(s)
Description
SRx+
7
Receive +. Serial receiver differential signal, positive side.
SRx-
8
Receive -. Serial receiver differential signal, negative side.
STx+
11
Transmit +. Serial transmitter differential signal, positive side.
STx-
10
Transmit -. Serial transmitter differential signal, negative side.
XTALI
3
Crystal In. Crystal oscillator pin for SerDes reference clock. The clock
precision recommendation is ±50ppm.
XTALO
2
Crystal Out. Crystal oscillator pin for SerDes reference clock. A 25MHz crystal
must be used.
3.3.4
NC Pins
Signal Name
Pin Number(s)
Description
NC
34,35,38,39,40,41
43,44,45,47
Do not connect. Must leave open for normal operation
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