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Physical Layer
Section 1 Introduction
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9ARD000015-600
impedance driven) levels are 1.5 volts for CAN_L and 3.5 volts for CAN_H (2 volts
differential).
shows the CAN_H and CAN_L signal levels.
Physical Layer
The Physical Layer consists of the transceiver, connector, mis-wiring protection
circuitry, regulator, and optional optical isolation.
shows the block diagram
of the Physical Layer. In this section, the transceiver, mis-wiring protection (MWP),
and optional isolation are explained. For more information on connectors, refer to
on page 46. For more information on regulators, refer to
Figure 3. CAN_H and CAN_L Signal Levels
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