Electrical Specifications (Continued)
3.3V Plane
(V
)
CC3
1
37
A
A
2.2V, 2.5V, or 2.9V Plane
(V
)
CC2
Geode™ GXLV
Processor
3.3V Plane
3.3V Plane
(V
(V
)
)
CC3
CC3
320 SPGA - Top View
2.2V, 2.5V, or 2.9V Plane
(V
)
CC2
AN
AN
1
37
To 2.9V
Regulator
3.3V Plane
(V
)
CC3
Legend
= High frequency capacitor
= 220 µF, low ESR capacitor
= 3.3V connection
Note: Where signals cross plane splits, it is recommended to include AC
decoupling between planes with 47 pF capacitors.
= 2.2V, 2.5V, or 2.9V connection
Figure 6-2. SPGA Recommended Split Power Plane and Decoupling
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Revision 1.1