參數(shù)資料
型號(hào)： PI7C7300DNAE
廠商： Pericom
文件頁(yè)數(shù)： 63/107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 59 of 107
Pericom Semiconductor
November 2005 - Revision 1.01
Table 7-3 shows setting data parity detected bit in the primary interface’s status register.
This bit is set under the following conditions:
PI7C7300D must be a master on the primary bus.
The parity error response bit in the command register, corresponding to the primary
interface, must be set.
The P_PERR# signal is detected asserted or a parity error is detected on the primary
bus.
Table 7-3 SETTING PRIMARY INTERFACE DATA PARITY ERROR DETECTED BIT
Primary Data
Parity Bit
Transaction Type
Direction
Bus Where Error
Was Detected
Primary /
Secondary Parity
Error Response
Bits
0
Read
Downstream
Primary
x / x
0
Read
Downstream
Secondary
x / x
1
Read
Upstream
Primary
1 / x
0
Read
Upstream
Secondary
x / x
0
Posted Write
Downstream
Primary
x / x
0
Posted Write
Downstream
Secondary
x / x
1
Posted Write
Upstream
Primary
1 / x
0
Posted Write
Upstream
Secondary
x / x
0
Delayed Write
Downstream
Primary
x / x
0
Delayed Write
Downstream
Secondary
x / x
1
Delayed Write
Upstream
Primary
1 / x
0
Delayed Write
Upstream
Secondary
x / x
X = don’t care
Table 7-4 shows setting the data parity detected bit in the status register of secondary
interface. This bit is set under the following conditions:
The PI7C7300D must be a master on the secondary bus.
The parity error response bit must be set in the bridge control register of secondary
interface.
The S_PERR# signal is detected asserted or a parity error is detected on the
secondary bus.
Table 7-4 SETTING SECONDARY INTERFACE DATA PARITY ERROR DETECTED
BIT
Secondary
Detected Parity
Detected Bit
Transaction Type
Direction
Bus Where Error
Was Detected
Primary /
Secondary Parity
Error Response
Bits
0
Read
Downstream
Primary
x / x
1
Read
Downstream
Secondary
x / 1
0
Read
Upstream
Primary
x / x
0
Read
Upstream
Secondary
x / x
0
Posted Write
Downstream
Primary
x / x
1
Posted Write
Downstream
Secondary
x / 1
0
Posted Write
Upstream
Primary
x / x
0
Posted Write
Upstream
Secondary
x / x
0
Delayed Write
Downstream
Primary
x / x
1
Delayed Write
Downstream
Secondary
x / 1
0
Delayed Write
Upstream
Primary
x / x
0
Delayed Write
Upstream
Secondary
x / x
X= don’t care
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