MPC5777C EVB User Guide, Rev. 1
4 NXP Semiconductors
The Mother Board has been designed with ease of use in mind and has been segmented into functional
blocks as shown in Figure 2 Detailed silkscreen legend has been used throughout the board to identify
all switches, jumpers and user connectors.
Figure 2: Mother Board - Functional Blocks
3.1 Power Supply Configuration
The EVB requires an external power supply voltage of 12 V DC, minimum 1 A. This allows the EVB
to be easily used in a vehicle if required. The single input voltage is regulated on-board using three
switching regulators to provide the necessary EVB and MCU operating voltages of 5.0 V, 3.3 V, 1.25 V
and one 5 V linear regulator for the ADC supplies and references.
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. Please refer to Section 4.1.2, 4.1.3 “Daughter Card Standalone Power Input -External &
Daughter Card Standalone Power Input –Power SBC” for details on the daughter card power input.
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