PI7C9X130DNDE Pericom Semiconductor, PI7C9X130DNDE Datasheet - Page 102

• Manufacturer Part Number: PI7C9X130DNDE
• Description: IC PCIE-PCIX BRIDGE 1PORT 256BGA
• Manufacturer: Pericom Semiconductor

Specifications of PI7C9X130DNDE

• Applications: PCI-to-PCI Bridge
• Interface: SMBus (2-Wire/I²C)
• Voltage - Supply: 1.8V, 3.3V
• Package / Case: 256-PBGA
• Mounting Type: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Package Type: BGA
• Rad Hardened: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.5.41
7.5.42
PERICOM SEMICONDUCTOR - Confidential
MEMORY ADDRESS FORWARDING CONTROL REGISTER – OFFSET 68h
UPSTREAM MEMORY WRITE FRAGMENT CONTROL REGISTER – OFFSET
68h
Bit
19:16
20
21
29:22
Bit
31:30
Function
Lookup Table Page
Size
Lookup Table Page
Size Extension
Upstream 64-bit
Address Range
Enable
Reserved
Function
Memory Write
Fragment Control
Type
Type
RW
RW
RW
RW
RO
Page 102 of 165
Description
If bit [20] of Offset 68h is low, then
0000: Disable Upstream Memory 2 Base Address Register
0001: 256 bytes
0010: 512 bytes
0011: 1K bytes
0100: 2K bytes
0101: 4K bytes
0110: 8K bytes
0111: 16K bytes
1000: 32K bytes
1001: 64K bytes
1010: 128K bytes
1011: 256K bytes
1100: 512K bytes
1101: 1M bytes
1110: 2M bytes
1111: 4M bytes
If bit [20] of Offset 68h is high, then
0000: Disable Upstream Memory 2 Base Address Register
0001: 8M bytes
0010: 16M bytes
0011: 32M bytes
01XX: Disable Upstream Memory 2 Base Address Register
1XXX: Disable Upstream Memory 2 Base Address Register
Reset to 0h
0: Normal Lookup Table Page Size
1: Coarse Lookup Table Page Size
Reset to 0
0: Any 64-bit address transactions on secondary interface falling outside of
Downstream Memory 3 address range are forwarded upstream
1: Enable 64-bit address transaction forwarding upstream based on Upstream
Memory 3 address range without address translation
Reset to 0
Reset to 0
Description
Upstream Memory Write Fragment Control
00: Fragment at 32-byte boundary
01: Fragment at 64-byte boundary
1x: Fragement at 128-byte boundary
Reset to 00h
PCI EXPRESS TO PCI-X BRIDGE
Mar 2010 - Rev 2.0
PI7C9X130