PI7C9X110 Pericom Semiconductor Corporation, PI7C9X110 Datasheet - Page 95
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PI7C9X110
Manufacturer Part Number
PI7C9X110
Description
Pcie-to-pci Reversible Bridge
Manufacturer
Pericom Semiconductor Corporation
Datasheet
1.PI7C9X110.pdf
(145 pages)
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7.5.43 UPSTREAM MEMORY WRITE FRAGMENT CONTROL REGISTER – OFFSET 68h
7.5.44 SUBSYSTEM VENDOR ID REGISTER – OFFSET 6Ch
7.5.45 SUBSYSTEM ID REGISTER – OFFSET 6Ch
7.5.46 EEPROM AUTOLOAD CONTROL/STATUS REGISTER – OFFSET 70h
Pericom Semiconductor
BIT
31:30
BIT
15:0
BIT
31:16
BIT
0
1
2
3
5:4
6
FUNCTION
Memory Write Fragment
Control
FUNCTION
Subsystem Vendor ID
FUNCTION
Subsystem ID
FUNCTION
Initiate EEPROM Read or
Write Cycle
Control Command for
EEPROM
EEPROM Error
EPROM Autoload Complete
Status
EEPROM Clock Frequency
Control
EEPROM Autoload Control
TYPE
TYPE
TYPE
TYPE
RW
RW
RW
RW
RW
RO
RO
RO
RO
Page 95 of 145
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 10h
DESCRIPTION
Subsystem vendor ID identifies the particular add-in card or subsystem.
Reset to 00h
DESCRIPTION
Subsystem ID identifies the particular add-in card or subsystem.
Reset to 00h
DESCRIPTION
This bit will be reset to 0 after the EEPROM operation is finished.
0: EEPROM AUTOLOAD disabled
0 -> 1: Starts the EEPROM Read or Write cycle
Reset to 0
0: Read
1: Write
Reset to 0
0: EEPROM acknowledge is always received during the EEPROM cycle
1: EEPROM acknowledge is not received during EEPROM cycle
Reset to 0
0: EEPROM autoload is not successfully completed
1: EEPROM autoload is successfully completed
Reset to 0
Where PCLK is 125MHz
00: PCLK / 4096
01: PCLK / 2048
10: PCLK / 1024
11: PCLK / 128
Reset to 00
0: Enable EEPROM autoload
1: Disable EEPROM autoload
Reset to 0
May 2008, Revision 2.6
PCIe-to-PCI Reversible Bridge
PI7C9X110