参数资料
型号: PI7C7300DNAE
厂商: Pericom
文件页数: 90/107页
文件大小: 0K
描述: IC PCI-PCI BRIDGE 3PORT 272-BGA
标准包装: 40
系列: *
应用: *
接口: *
电源电压: *
封装/外壳: 272-BBGA
供应商设备封装: 272-PBGA(27x27)
包装: 管件
安装类型: 表面贴装
PI7C7300D
3-PORT PCI-TO-PCI BRIDGE
Page 83 of 107
Pericom Semiconductor
November 2005 - Revision 1.01
14.1.23
I/O BASE ADDRESS UPPER 16-BITS REGISTER – Offset 30h
Bit
Function
Type
Description
15:0
I/O Base
Address, Upper
16-bits [31:16]
R/W
Defines the upper 16-bits of a 32-bit bottom address of an address
range for the bridge to determine when to forward I/O transactions
from one interface to the other.
Reset to 0
14.1.24
I/O LIMIT ADDRESS UPPER 16-BITS REGISTER – OFFSET 30h
Bit
Function
Type
Description
31:0
I/O Limit
Address, Upper
16-bits [31:16]
R/W
Defines the upper 16-bits of a 32-bit top address of an address range
for the bridge to determine when to forward I/O transactions from
one interface to the other.
Reset to 0
14.1.25
ECP POINTER REGISTER – OFFSET 34h
Bit
Function
Type
Description
7:0
Enhanced
Capabilities Port
Pointer
R/O
Enhanced capabilities port offset pointer. Read as B0h to indicate
that the first item resides at that configuration offset.
14.1.26
BRIDGE CONTROL REGISTER – OFFSET 3Ch
Bit
Function
Type
Description
16
Parity Error
Response
R/W
Controls the bridge’s response to parity errors on the secondary
interface.
0: ignore address and data parity errors on the secondary interface
1: enable parity error reporting and detection on the secondary
interface
Reset to 0
17
S1_SERR#
enable
R/W
Controls the forwarding of S1_SERR# or S2_SERR# to the primary
interface.
0: disable the forwarding of S1_SERR# or S2_SERR# to primary
interface
1: enable the forwarding of S1_SERR# or S2_SERR# to primary
interface
Reset to 0
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