AN2127 Freescale Semiconductor / Motorola, AN2127 Datasheet - Page 10

• Manufacturer Part Number: AN2127
• Description: EMC Guidelines for MPC Based Automotive Powertrain Systems
• Manufacturer: Freescale Semiconductor / Motorola

3.2 Standard Grounding
Most MCU based systems will partition different classes of circuits with isolated grounds. The isolated
grounds are then connected together at a single point, as shown in
circuits include digital, analog, high-current switching circuitry, I/O, and the main power supply.
EMC Guidelines for MPC500-Based Automotive Powertrain Systems
capacitor
not shown
in side view
Figure 5 MPC56x Single-Sided Component Placement Application
via to ground plane
VSS
Freescale Semiconductor, Inc.
via to power plane
For More Information On This Product,
VDD
Rev. 0, 15 July 2001
Go to: www.freescale.com
Side View
Top View
MPC56X
power plane
ground plane
Figure
via to ground
in side view
capacitor
via to power
not shown
6. The different classes of
capacitor
plane
plane
MOTOROLA
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