NXP Semiconductors MCX-N9 EVK Series - Page 16

NXP Semiconductors
UM12036
MCX-N9XX-EVK Board User Manual
Part identifier Device / power source Output power supply Description
• One of the sources for VDD_P3 supply
through the JP15 jumper. For details, see
Section 1.6
• One of the sources for VDD_P4 supply
through the JP45 jumper. For details, see
Section 1.6
• One of the sources for VDD_USB supply
through the JP40 jumper. For details, see
Section 1.6
• One of the power sources for VDD_AUDIO
• Power source for the MCU_PWR_SRC
supply through the JP38 jumper. For details,
see Section 1.6
Table 7. P3V3 power sources...continued
The 3.3 V power source for the board is selected by jumper JP44. By default, the ADM172 regulator (U54)
output is selected. For the JP44 jumper details, see Section 1.6. Figure 8 shows the P3V3 power selection on
the MCX-N9XX-EVK board.
Figure 8. P3V3 source selection
1.8 V power sources and selection
The following table describes the 1.8 V input power sources and their output power supplies.
Part identifier Device / power source Output power supply Description
LDO1_OUT: 1.8 V One of the sources for P1V8 supplyU2 PCA9420BSAZ (NXP
Semiconductors)
SW2_OUT: 1.8 V One of the sources for P1V8 supply (default
option)
- LDO1_OUT through
JP46 and JP41
- SW2_OUT through
JP46 and JP41
P1V8 • Power supply for:
– Audio codec DA7212 (Not connected by
default)
– EMV SIM load switch (U48) (Not a default
option)
• One of the sources for the VDD_LDO_SYS_
IN supply through the JP36 jumper. For
details, see Section 1.6
• One of the sources for the VDD_P2 supply
through the JP47 jumper. For details, see
Section 1.6
Table 8. P1V8 power sources
UM12036 All information provided in this document is subject to legal disclaimers. © 2024 NXP B.V. All rights reserved.
User manual Rev. 1 — 20 January 2024
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