參數(shù)資料
型號(hào): PI7C7300DNAE
廠商: Pericom
文件頁(yè)數(shù): 65/107頁(yè)
文件大?。?/td> 0K
描述: IC PCI-PCI BRIDGE 3PORT 272-BGA
標(biāo)準(zhǔn)包裝: 40
系列: *
應(yīng)用: *
接口: *
電源電壓: *
封裝/外殼: 272-BBGA
供應(yīng)商設(shè)備封裝: 272-PBGA(27x27)
包裝: 管件
安裝類型: 表面貼裝
PI7C7300D
3-PORT PCI-TO-PCI BRIDGE
Page 60 of 107
Pericom Semiconductor
November 2005 - Revision 1.01
Table 7-5 shows assertion of P_PERR#. This signal is set under the following conditions:
PI7C7300D is either the target of a write transaction or the initiator of a read
transaction on the primary bus.
The parity-error-response bit must be set in the command register of primary
interface.
PI7C7300D detects a data parity error on the primary bus or detects S_PERR#
asserted during the completion phase of a downstream delayed write transaction on
the target (secondary) bus.
Table 7-5 ASSERTION OF P_PERR#
P_PERR#
Transaction Type
Direction
Bus Where Error
Was Detected
Primary/
Secondary Parity
Error Response
Bits
1 (de-asserted)
Read
Downstream
Primary
x / x
1
Read
Downstream
Secondary
x / x
0 (asserted)
Read
Upstream
Primary
1 / x
1
Read
Upstream
Secondary
x / x
0
Posted Write
Downstream
Primary
1 / x
1
Posted Write
Downstream
Secondary
x / x
1
Posted Write
Upstream
Primary
x / x
1
Posted Write
Upstream
Secondary
x / x
0
Delayed Write
Downstream
Primary
1 / x
0
2
Delayed Write
Downstream
Secondary
1 / 1
1
Delayed Write
Upstream
Primary
x / x
1
Delayed Write
Upstream
Secondary
x / x
X = don’t care
2
The parity error was detected on the target (secondary) bus but not on the initiator (primary) bus.
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