Configuration
S32R274/372 EVB User Guide, Rev. 0, 08/2018
6
NXP Semiconductors
For flexibility there are two different power supply input connectors on the motherboard as detailed
below. There is also a power supply option on the daughter card to use the daughter card in standalone
mode. Refer to section 4.1.2 for details on the daughter card power input.
3.1.1.
Motherboard powers supply connectors
2.1 mm Barrel Connector – P26:
Figure 3. 2.1 mm power connector
Screw Terminal Power Connector – P33:
This can be used to connect a bare wire lead to the EVB, typically from a laboratory power supply. The
polarisation of the connectors is clearly marked on the EVB (Pin 1 = +12 V). Care must be taken to
ensure correct connection.
Figure 4. Screw terminal power connector
3.1.2.
Regulator power jumpers
There are four power regulator circuits on the MPC57xx motherboard that supply the required voltages
to operate the MCUs:
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