参数资料
型号: PI7C9X20404GPBNBE
厂商: Pericom
文件页数: 41/79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 46 of 79
June 2009 – Revision 1.6
Pericom Semiconductor
BIT
FUNCTION
TYPE
DESCRIPTION
7:0
SSID/SSVID
Capabilities ID
RO
Read as 0Dh to indicate that these are SSID/SSVID capability registers.
7.2.55
NEXT ITEM POINTER REGISTER – OFFSET B8h
BIT
FUNCTION
TYPE
DESCRIPTION
15:8
Next Item Pointer
RO
Pointer points to the PCI Express capability register (E0h).
Reset to E0h.
7.2.56
SUBSYSTEM VENDOR ID REGISTER – OFFSET BCh
BIT
FUNCTION
TYPE
DESCRIPTION
15:0
SSVID
RO
It indicates the sub-system vendor id. The default value may be changed by
SMBus or auto-loading from EEPROM.
Reset to 0000h.
7.2.57
SUBSYSTEM ID REGISTER – OFFSET BCh
BIT
FUNCTION
TYPE
DESCRIPTION
31:16
SSID
RO
It indicates the sub-system device id. The default value may be changed by
SMBus or auto-loading from EEPROM.
Reset to 0000h.
7.2.58
GPIO CONTROL REGISTER – OFFSET D8h (Upstream Port Only)
BIT
FUNCTION
TYPE
DESCRIPTION
0
GPIO [0] Input
RO
State of GPIO [0] pin
1
GPIO [0] Output
Enable
RW
0b: GPIO [0] is an input pin
1b: GPIO [0] is an output pin
Reset to 0b.
2
GPIO [0] Output
Register
RW
Value of this bit will be output to GPIO [0] pin if GPIO [0] is configured as
an output pin.
Reset to 0b.
3
Reserved
RO
Reset to 0b.
4
GPIO [1] Input
RO
State of GPIO [1] pin.
5
GPIO [1] Output
Enable
RW
0b: GPIO [1] is an input pin
1b: GPIO [1] is an output pin
Reset to 0b.
6
GPIO [1] Output
Register
RW
Value of this bit will be output to GPIO [1] pin if GPIO [1] is configured as
an output pin.
Reset to 0b.
7
Reserved
RO
Reset to 0b.
8
GPIO [2] Input
RO
State of GPIO [2] pin
9
GPIO [2] Output
Enable
RW
0b: GPIO [2] is an input pin
1b: GPIO [2] is an output pin
Reset to 0b.
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