LPC55S2X datasheet(16/132 Pages) NXP

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NXP Semiconductors

LPC55S2x/LPC552x

32-bit Arm Cortex®-M33 microcontroller

Symbol

59 pin

VFBGA

64 pin

HTQFP

98 pin

VFBGA

100 pin

HLQFP

Reset

state

[1]

Type Function

Description

Reserved.

I/O 10

SEC_PIO0_11

Secure GPIO pin.

I/O;

PIO0_12/ADC0_10

General-purpose digital input/output pin.

ADC single ended input channel 2B - CH2B.

Can optionally be paired with CH2A as the

negative differential input on ADC1 channel

I/O 1

FC3_TXD_SCL_MISO_WS

Flexcomm 3: USART transmitter, I2C clock,

SPI master-in/slave-out data I/O, I2S word-

select/frame.

SD1_BACKEND_PWR

SD/MMC 1 back-end power supply for

embedded device.

FREQME_GPIO_CLK_B

Frequency Measure pin clock input B.

SCT0_GPI7

Pin input 7 to SCTimer/PWM.

SD0_POW_EN

SD/MMC 0 card power enable.

I/O 6

SWDIO

Serial Wire Debug I/O. This is the default

function after booting.

I/O 7

FC6_TXD_SCL_MISO_WS

Flexcomm 6: USART transmitter, I2C clock,

SPI master-in/slave-out data I/O, I2S word-

select/frame.

Reserved.

PIO0_12/

ADC0_10

[2]

I/O 10

SEC_PIO0_12

Secure GPIO pin.

I/O 0

PIO0_13

General-purpose digital input/output pin.

Remark: In ISP mode, this pin is set to the

Flexcomm 1 I2C SDA function.

I/O 1

FC1_CTS_SDA_SSEL0

Flexcomm 1: USART clear-to-send, I2C data

I/O, SPI Slave Select 0.

PIO0_13

C12

[5]

UTICK_CAP0

Table 3. Pin description...continued

LPC55S2X_LPC552X

All information provided in this document is subject to legal disclaimers.

Data sheet

Rev. 2.3 — 29 August 2024

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