参数资料
型号: PI7C9X20404GPBNBE
厂商: Pericom
文件页数: 71/79页
文件大小: 0K
描述: IC PCIE PACKET SWITCH 148LFBGA
产品变化通告: Product Discontinuation Notice 22/Jan/2010
标准包装: 189
系列: GreenPacket™
应用: 封装开关,4 端口/4 线道
接口: PCI Express
封装/外壳: 148-LFBGA
供应商设备封装: 148-LFBGA(12x12)
包装: 托盘
安装类型: 表面贴装
PI7C9X20404GP
4Port-4Lane PCI Express Switch
GreenPacket
TM Family
Datasheet
Page 73 of 79
June 2009 – Revision 1.6
Pericom Semiconductor
11 POWER MANAGEMENT
The PI7C9X20404GP supports D0, D1, D2, D3-hot, and D3-cold Power States. The PCI Express Physical Link
Layer of the PI7C9X20404GP device supports the PCI Express Link Power Management with L0, L0s, L1, L2/L3
ready and L3 Power States.
During the transition from D3-hot to D3-cold state, the main power supplies of VDDC and VDDR are turned off to
save power while keeping the VDDCAUX and VAUX with the auxiliary power supplies to maintain all necessary
information to be restored to the full power D0 state. PI7C9X20404GP has been designed to have sticky registers
that are powered by auxiliary power supplies. PI7C9X20404GP forwards power management messages to the
upstream Switches or root complex.
PI7C9X20404GP also supports ASPM (Active State Power Management) to facilitate the link power saving.
PI7C9X20404GP supports beacon generation and WAKEUP_L signal.
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