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SM320C6455-EP
FIXED-POINTDIGITALSIGNALPROCESSOR
SPRS462B–SEPTEMBER2007–REVISEDJANUARY2008
Table2-3.TerminalFunctions(continued)
SIGNAL
TYPE
(1)
IPD/IPU
(2)
DESCRIPTION
NAMENO.
Reserved.Thispinmustbeconnectedtoground(V
SS
)viaa200-Ωresistorfor
properdeviceoperation.
NOTE:IftheRGMIImodeoftheEMACisnotused,theDV
DD15
,V
REFHSTL
,
RSV13F2RSV13,andRSV14pinscanbeconnectedtodirectlyground(V
SS
)tosave
power.However,connectingthesepinsdirectlytogroundprevents
boundary-scanfromfunctioningontheRGMIIpinsoftheEMAC.Topreserve
boundary-scanfunctionalityontheRGMIIpins,seeSection7.3.4.
Reserved.Thispinmustbeconnectedtothe1.5/1.8-VI/Osupply(DV
DD15
)via
a200-Ωresistorforproperdeviceoperation.
NOTE:IftheRGMIImodeoftheEMACisnotused,theDV
DD15
,V
REFHSTL
,
RSV14F1RSV13,andRSV14pinscanbeconnectedtodirectlyground(V
SS
)tosave
power.However,connectingthesepinsdirectlytogroundprevents
boundary-scanfromfunctioningontheRGMIIpinsoftheEMAC.Topreserve
boundary-scanfunctionalityontheRGMIIpins,seeSection7.3.4.
Reserved.Thispinmustbeconnectedviaa39-Ωresistordirectlytoground
RSV15T1(V
SS
)forproperdeviceoperation.Theresistorusedshouldhaveaminimal
ratingof1/10W.
Reserved.Thispinmustbeconnectedviaa20-Ωresistordirectlyto3.3-VI/O
RSV16T2Supply(DV
DD33
)forproperdeviceoperation.Theresistorusedshouldhavea
minimalratingof1/10W.
RSV17AE21A
RSV18E13A
RSV19F18A
RSV20U29A
RSV21A6A
RSV22B26O
RSV23C26O
RSV24B6O
RSV25C6O
RSV26AJ11A
Reserved.(Leaveunconnected,donotconnecttopowerorground.)
RSV27AH11A
RSV36AD11I/O/ZIPU
RSV37AD9I/O/ZIPU
RSV38AG10I/O/ZIPU
RSV39AG11I/O/ZIPU
RSV40AJ12I/O/ZIPU
RSV41W28O/ZIPU
RSV42Y26O/ZIPU
RSV43Y25O/ZIPU
RSV44Y27O/Z
RSV28N7A
RSV29N6A
Reserved.ThesepinsmustbeconnecteddirectlytoV
SS
forproperdevice
operation.
RSV30P23A
RSV31P24A
Reserved.Thispinmustbeconnectedtothe1.8-VI/Osupply(DV
DD18
)viaa
RSV32D25
1-kΩresistorforproperdeviceoperation.
Reserved.Thispinmustbeconnecteddirectlytogroundforproperdevice
RSV33C25
operation.
Reserved.Thispinmustbeconnectedtothe1.8-VI/Osupply(DV
DD18
)viaa
RSV34E6
1-kΩresistorforproperdeviceoperation.
Reserved.Thispinmustbeconnecteddirectlytogroundforproperdevice
RSV35D6
operation.
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