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參數(shù)資料
| 型號： | PI7C9X20404GPBNBE |
| 廠商： | Pericom |
| 文件頁數(shù)： | 43/79頁 |
| 文件大小： | 0K |
| 描述： | IC PCIE PACKET SWITCH 148LFBGA |
| 產(chǎn)品變化通告： | Product Discontinuation Notice 22/Jan/2010 |
| 標(biāo)準(zhǔn)包裝： | 189 |
| 系列： | GreenPacket™ |
| 應(yīng)用： | 封裝開關(guān)，4 端口/4 線道 |
| 接口： | PCI Express |
| 封裝/外殼： | 148-LFBGA |
| 供應(yīng)商設(shè)備封裝： | 148-LFBGA（12x12） |
| 包裝： | 托盤 |
| 安裝類型： | 表面貼裝 |
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PI7C9X20404GP
4Port-4Lane PCI Express Switch
GreenPacket
TM Family
Datasheet
Page 48 of 79
June 2009 – Revision 1.6
Pericom Semiconductor
BIT
FUNCTION
TYPE
DESCRIPTION
1
EEPROM Command
RW
Sends the command to the EEPROM.
0b: EEPROM read
1b: EEPROM write
Reset to 0b.
2
EEPROM Error
Status
RO
1b: EEPROM acknowledge was not received during the EEPROM cycle.
Reset to 0b.
3
EEPROM Autoload
Success
RO
0b: EEPROM autoload was unsuccessful or is disabled
1b: EEPROM autolad occurred successfully after RESET. Configuration
registers were loaded with values in the EEPROM
It will be cleared when read at this bit.
4
EEPROM Autoload
Status
RO
0b: EEPROM autoload was unsuccessful or is disabled
1b: EEPROM autoload occurred successfully after PREST. Configuration
registers were loaded with values stored in the EEPROM
Reset to 0b.
5
EEPROM Autoload
Disable
RW
0b: EEPROM autoload enabled
1b: EEPROM autoload disabled
Reset to 1b.
7:6
EEPROM Clock
Rate
RW
Determines the frequency of the EEPROM clock, which is derived from the
primary clock.
00b: Reserved
01b: PEXCLK / 1024 (PEXCLK is 125MHz)
10b: Reserved
11b: Test Mode
Reset to 01b.
7.2.60
EEPROM ADDRESS REGISTER – OFFSET DCh (Upstream Port Only)
BIT
FUNCTION
TYPE
DESCRIPTION
8
Reserved
RO
Reset to 0b.
15:9
EEPROM Address
RW
Contains the EEPROM address.
Reset to 0.
7.2.61
EEPROM DATA REGISTER – OFFSET DCh (Upstream Port Only)
BIT
FUNCTION
TYPE
DESCRIPTION
31:16
EEPROM Data
RW
Contains the data to be written to the EEPROM. After completion of a read
cycle, this register will contain the data from the EEPROM.
Reset to 0000h.
7.2.62
PCI EXPRESS CAPABILITY ID REGISTER – OFFSET E0h
BIT
FUNCTION
TYPE
DESCRIPTION
7:0
Enhanced
Capabilities ID
RO
Read as 10h to indicate that these are PCI express enhanced capability
registers.
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