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Table 9. LPC55S36-EVK power supplies (continued)
Power source
Manufacturing part
number
Power supply rail
Description
Motor 1 + unused MCU
pin socket connector J10
VIN1 (5 V max.)
Another source for VIN_LDO supply
Motor 2 + Arduino socket
connector J102
VIN2 (5 V max.)
Third source for VIN_LDO supply
From VIN1 / VIN2 /
SYS_5V0 supply through
jumper JP71
VIN_LDO (5 V max.) Supplies power to the target MCU 3.3 V regulator
(U3) and 1.9 V regulator (U4)
U31
XC6227C331PR-G
(Torex
Semiconductor)
3V3 (3.3 V)
Supplies power to MCU-Link, MCU-Link serial
wire debug (SWD) connector (J16) (DNP), MCU-
Link LEDs, I2C repeater / voltage translator (U27),
voltage translators (U17, U19, U20, U21, U22,
U24, and U41), and buffer (U42)
U3
NCP692MN33T2G
(ON Semiconductor)
VCC_3V3 (3.3 V at 1
A max.)
• One of the two sources for VCC_3V3_1V9
supply
• Another power source for audio expansion
connector
• Provides USB0_3V3 power to the target MCU
• Supplies power to the target MCU LEDs (D4
and D5) and voltage translator (U11)
U4
XC6203E192PR-G
(Torex
Semiconductor)
VCC_1V9 (1.9 V at
40 mA max.)
• Another source for VCC_3V3_1V9 supply
• Third power source for audio expansion
connector
• One of the two power sources for audio
codec, octal flash memory, and external flash
connector (DNP)
From VCC_3V3 /
VCC_1V9 supply through
jumper JP1
VCC_3V3_1V9 (3.3
V or 1.9 V)
• Another power source for audio codec, octal
flash memory, and external flash connector
• Produces MCU_VCC_3V3_1V9 supply
• Supplies power to onboard DMIC, external
DMIC connector, mikroBUS socket connector
J7, Motor 1 + unused MCU pin socket
connector J10, Motor 2 + Arduino socket
connectors J92 and J102, SPI NOR flash
memory (DNP), SW1, SW2, and SW3 buttons,
the target MCU D5 LED, debug interface four
pole double throw (4PDT) switch (U18), debug
trace connector (J38), 6-axis motion tracking
device (U34), I2C repeater / voltage translator
(U27), voltage translators (U11, U22, U24,
U25, and U26), and current measurement
circuit
Table continues on the next page...
NXP Semiconductors
LPC55S36-EVK Functional Description
LPC55S36-EVK Board User Manual, Rev. 1, 24 January 2022
User Manual
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