PI7C9X20404SLCFDE Pericom Semiconductor, PI7C9X20404SLCFDE Datasheet - Page 49

• Manufacturer Part Number: PI7C9X20404SLCFDE
• Description: IC PCIE PACKET SWITCH 128LQFP
• Manufacturer: Pericom Semiconductor
• Series: SlimLine™r

Specifications of PI7C9X20404SLCFDE

• Applications: Data Transport
• Interface: Advanced Configuration Power Interface (ACPI)
• Package / Case: 128-LQFP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -

7.2.61
July 2009 – Revision 1.2
Pericom Semiconductor
EEPROM CONTROL REGISTER – OFFSET DCh (Upstream Port Only)
BIT
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
BIT
0
1
2
3
FUNCTION
GPIO [4] Output
Enable
GPIO [4] Output
Register
Reserved
GPIO [5] Input
GPIO [5] Output
Enable
GPIO [5] Output
Register
Reserved
GPIO [6] Input
GPIO [6] Output
Enable
GPIO [6] Output
Register
Reserved
GPIO [7] Input
GPIO [7] Output
Enable
GPIO [7] Output
Register
Reserved
FUNCTION
EEPROM Start
EEPROM Command
EEPROM Error
Status
EEPROM Autoload
Success
TYPE
TYPE
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RO
RO
RO
RO
RO
RO
RO
RO
RO
Page 49 of 77
State of GPIO [5] pin.
State of GPIO [6] pin.
State of GPIO [7] pin.
DESCRIPTION
0b: GPIO [4] is an input pin
1b: GPIO [4] is an output pin
Reset to 0b.
Value of this bit will be output to GPIO [4] pin if GPIO [4] is configured as
an output pin.
Reset to 0b.
Reset to 0b.
0b: GPIO [5] is an input pin
1b: GPIO [5] is an output pin
Reset to 0b.
Value of this bit will be output to GPIO [5] pin if GPIO [5] is configured as
an output pin.
Reset to 0b.
Reset to 0b.
0b: GPIO [6] is an input pin
1b: GPIO [6] is an output pin
Reset to 0b.
Value of this bit will be output to GPIO [6] pin if GPIO [6] is configured as
an output pin.
Reset to 0b.
Reset to 0b.
0b: GPIO [7] is an input pin
1b: GPIO [7] is an output pin
Reset to 0b.
Value of this bit will be output to GPIO [7] pin if GPIO [7] is configured as
an output pin.
Reset to 0b.
Reset to 0b.
DESCRIPTION
Starts the EEPROM read or write cycle.
Reset to 0b.
Sends the command to the EEPROM.
0b: EEPROM read
1b: EEPROM write
Reset to 0b.
1b: EEPROM acknowledge was not received during the EEPROM cycle.
Reset to 0b.
0b: EEPROM autoload was unsuccessful or is disabled
1b: EEPROM autolad occurred successfully after RESET. Configuration
It will be cleared when read at this bit.
registers were loaded with values in the EEPROM
4Port-4Lane PCI Express® Switch
SlimLine
PI7C9X20404SL
Datasheet
TM
Family