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參數(shù)資料
| 型號(hào)： | PI7C9X20303ULAZPE |
| 廠商： | Pericom |
| 文件頁(yè)數(shù)： | 22/77頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC PCIE PACKET SWITCH 132TQFN |
| 標(biāo)準(zhǔn)包裝： | 168 |
| 系列： | UltraLo™ |
| 應(yīng)用： | 封裝開(kāi)關(guān)，3 端口/3 線道 |
| 接口： | PCI Express |
| 封裝/外殼： | 132-VFQFN 雙排裸露焊盤(pán) |
| 供應(yīng)商設(shè)備封裝： | 132-TQFN-EP（10x10） |
| 包裝： | 托盤(pán) |
| 安裝類型： | 表面貼裝 |
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PI7C9X20303UL
3Port-3Lane PCI Express Switch
UltraLo
TM Family
Datasheet
Page 29 of 77
August 2009 – Revision 1.1
Pericom Semiconductor
6.2
SMBus INTERFACE
The PI7C9X20303UL provides the System Management Bus (SMBus), a two-wire interface through which a
simple device can communicate with the rest of the system. The SMBus interface on the PI7C9X20303UL is a bi-
directional slave interface. It can receive data from the SMBus master or send data to the master. The interface
allows full access to the configuration registers. A SMBus master, such as the processor or other SMBus devices,
can read or write to every RW configuration register (read/write register). In addition, the RO and HwInt registers
(read-only and hardware initialized registers) that can be auto-loaded by the EEPROM interface can also be read
and written by the SMBus interface. This feature allows increases in the system expandability and flexibility in
system implementation.
Figure 6-1 SMBus Architecture Implementation on PI7C9X20303UL
PI7C9X20303UL
SMBCLK
SMBDATA
Processor
(SMBus Master)
Other SMBus
Devices
The SMBus interface on the PI7C9X20303UL consists of one SMBus clock pin (SMBCLK), a SMBus data pin
(SMBDATA), and 3 SMBus address pins (GPIO[5:7]). The SMBus clock pin provides or receives the clock signal.
The SMBus data pin facilitates the data transmission and reception. Both of the clock and data pins are bi-
directional. The SMBus address pins determine the address to which the PI7C9X20303UL responds to. The SMBus
address pins generate addresses according to the following table:
Table 6-1 SMBus Address Pin Configuration
BIT
SMBus Address
0
GPIO[5]
1
GPIO[6]
2
GPIO[7]
3
1
4
0
5
1
6
1
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| PI7C9X20303ULAZPEX | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 3port 3lane PCIe Packet Switch RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| PI7C9X20404GPANBE | 制造商:Pericom Semiconductor Corporation 功能描述:4PORT 4LANE PCIE PACKETSWITCH - Trays |
| PI7C9X20404GPBNBE | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 4port 4lane PCIe PacketSwitch RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| PI7C9X20404SLCEVB | 制造商:Pericom Semiconductor Corporation 功能描述:PCIE 4 PORT SWITCH EVAL BOARD - Boxed Product (Development Kits) |
| PI7C9X20404SLCFDE | 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 4port 4lane PCIe Packet Switch RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
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