Signal Ball Description
PLX Technology, Inc.
3.4.3
Serial EEPROM Signals
The PEX 8532 includes five signals for interfacing to a serial EEPROM, defined in Table 3-5.
Table 3-5. PEX 8532 Serial EEPROM Signals – 5 Balls
Signal Name
EE_CS#
Type
O
Location
AG32
Description
Serial EEPROM Active-Low Chip Select Output
PEX 8532 Output to Serial EEPROM Data Input
EE_DI
O
AH34
I
PU
EE_DO
AG34
PEX 8532 Input from Serial EEPROM Data Output
Serial EEPROM Present Active-Low Input
Must be tied to VSS to indicate serial EEPROM presence.
EE_PR#
EE_SK
I
AH33
AG33
O
7.8 MHz Serial EEPROM Clock Output
24
ExpressLane PEX 8532AA/BA/BB/BC 8-Port/32-Lane Versatile PCI Express Switch Data Book
Copyright © 2007 by PLX Technology, Inc. All Rights Reserved – Version 1.6
PLX [ PLX TECHNOLOGY ]
