Power Plane Layout - Intel 80331 Design Manual

2.1

Power Plane Layout

Figure 5
partitioned on the Intel
Note: The voltage for the secondary PCIX bus and primary PCIX bus can be on the same plane.
®
Figure 5. Intel 80331 I/O Processor Power Plane Layout
provides an example of how the 80331 DDR, CPU core and 1.5 V core power planes are
®
IQ80331 Evaluation Platform Board (IQ80331).
VCC_XSCALE
VCC 1.5 V
Intel® 80331 I/O Processor Design Guide
(Use Top Layer for VTT Plane)
VCC_DDR
DDR DIMM Connector
DDR VDD Regulator
To Regulators
Package Information
B2529-01
21