Datasheet

Product data sheet Rev. 1.0 — 26 February 2019 19 of 123

NXP Semiconductors

LPC55S6x

32-bit ARM Cortex-M33 microcontroller

PIO0_20 B12 74

[2]

Z I/O 0 PIO0_20 — General-purpose digital input/output pin.

I/O 1 FC3_CTS_SDA_SSEL0 — Flexcomm 3: USART clear-to-send,

I2C data I/O, SPI Slave Select 0.

O2CTIMER1_MAT1 — 32-bit CTimer1 match output 1.

I3CTIMER_INP15 — Capture input to CTIMER input multiplexers.

I4SCT0_GPI2 — Pin input 2 to SCTimer/PWM.

5 R — Reserved.

6 R — Reserved.

I/O 7 FC7_RXD_SDA_MOSI_DATA — Flexcomm 7: USART receiver,

I2C data I/O, SPI master-out/slave-in data, I2S data I/O.

I/O 8 HS_SPI_SSEL0 — Slave Select 0 for high speed SPI.

I9PLU_INPUT5 — PLU input 5.

I/O 10 SEC_PIO0_20 — Secure GPIO pin.

I/O 11 FC4_TXD_SCL_MISO_WS — Flexcomm 4: USART transmitter,

I2C clock, SPI master-in/slave-out data I/O, I2S word-select/frame.

PIO0_21 A12 76

[2]

Z I/O 0 PIO0_21 — General-purpose digital input/output pin.

I/O 1 FC3_RTS_SCL_SSEL1 — Flexcomm 3: USART request-to-send,

I2C clock, SPI slave select 1.

I2UTICK_CAP3 — Micro-tick timer capture input 3.

O3CTIMER3_MAT3 — 32-bit CTimer3 match output 3.

I4SCT0_GPI3 — Pin input 3 to SCTimer/PWM.

5 R — Reserved.

6 R — Reserved.

I/O 7 FC7_SCK — Flexcomm 7: USART, SPI, or I2S clock.

8 R — Reserved.

I9PLU_CLKIN — PLU clock input.

I/O 10 SEC_PIO0_21 — Secure GPIO pin.

Table 3. Pin description …continued

Symbol

98 pin VFBGA

100 pin HLQFP

Reset state

[1]

Type

Function #

Description