PM73121ꢀAAL1gator II
Data Sheet
PMC-Sierra, Inc.
PMC-980620
,VVXHꢀꢁ
AAL1 SAR Processor
To Use UTOPIA PHY Mode
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Provide a means to pull pin 56 (PHY_EN) high. (It will default to low via an internal pull-
down resistor).
If using MPHY mode, pin 18 will be /TPHY_ADDR and pin 14 will be /RPHY_ADDR.
These address pins work like an active low chip select but follow the MPHY timing.
In PHY mode, all TATM signals will become RPHY signals (/TATM_EN becomes
RPHY_CLAV and /TATM_FULL becomes /RPHY_EN). All RATM signals will become
TPHY signals (/RATM_EN becomes TPHY_CLAV and /RATM_EMPTY becomes /
TPHY_EN).
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