PI7C9X111SLBFDE Pericom Semiconductor, PI7C9X111SLBFDE Datasheet - Page 41

• Manufacturer Part Number: PI7C9X111SLBFDE
• Manufacturer: Pericom Semiconductor

Specifications of PI7C9X111SLBFDE

• Lead Free Status / Rohs Status: Compliant

6.3.46 RESERVED REGISTER – OFFSET 6Ch
6.3.47 EEPROM AUTOLOAD CONTROL/STATUS REGISTER – OFFSET 70h
Pericom Semiconductor - Confidential
BIT
31:30
BIT
0
1
2
3
5:4
6
7
8
15:9
31:16
FUNCTION
Memory Write Fragment
Control
FUNCTION
Initiate EEPROM Read or
Write Cycle
Control Command for
EEPROM
EEPROM Error
EPROM Autoload Complete
Status
EEPROM Clock Frequency
Control
EEPROM Autoload Control
Fast EEPROM Autoload
Control
EEPROM Autoload Status
EEPROM Word Address
EEPROM Data
TYPE
TYPE
RW
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO
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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
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
Reset to 1
0: EEPROM autoload is not on going
1: EEPROM autoload is on going
Reset to 0
EEPROM word address for EEPROM cycle
Reset to 0000000
EEPROM data to be written into the EEPROM
Reset to 0000h
=0: normal speed of EEPROM autoload
=1: speeds up EEPROM autoload by 8 times
Feb, 2010, Revision 1.5
PCIe-to-PCI Reversible Bridge
PI7C9X111SL