Using Hardware
6.2.7
6.2.8
6.2.9
Screw Terminal Connections
The MC33812 board contains four output and one input screw terminal connections to allow easy access
to the MC33812’s circuits.
The diagram below shows the locations of the screw terminals and their functional definitions:
IGNITION OUT
LAMP OUT
VBAT
INJECTOR OUT
VCC
VCC
RELAY OUT
ISO9141
Figure 2. MC33812 EVB Screw Connectors
VBAT Input Connector
The VBAT Connector is a 2 position screw terminal that provides +12 Volt and Ground Terminals. The
Ground terminal is marked “ GND ” and the +12 Volt Terminal is marked “ VBAT ”.
ISO 9141 Connector
The ISO9141 connector is a four pin Input/Output connector that provides power, ground and the
ISO9141 bidirectional signal.
6.2.10 Output Connectors
There are four Output Connectors which are 2 position screw terminals that provides the following
signals:
1. 1) IGNITION OUT
? Screw Terminal 1 - Low side drive, IGNOUT
? Screw Terminal 2 - VPWR
2. 2) LAMP OUT
? Screw Terminal 1 - Low Side LAMPOUT
? Screw Terminal 2 - VPWR
10
Freescale Semiconductor
相关PDF资料
KIT33879AEKEVBE BOARD EVALUATION FOR MC33879
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