LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[2][8]
PIO2_16
-
L8
81
-
PU; Z I/O PIO2_16 — General-purpose digital input/output pin.
O
LCD_LP — LCD line synchronization pulse (STN).
Horizontal synchronization pulse (TFT).
O
O
USB1_FRAME — USB1 frame toggle signal.
USB1_PORTPWRN — USB1 VBUS drive indicator
(Indicates VBUS must be driven).
O
CT1_MAT3 — Match output 3 from Timer 1.
I/O FC8_SCK — Flexcomm 8: USART or SPI clock.
[2]
PIO2_17
-
P10 86
-
PU; Z I/O PIO2_17 — General-purpose digital input/output pin.
I
LCD_CLKIN — LCD clock input.
O
USB1_LEDN — USB1-configured LED indicator (active
low).
I
I
USB1_OVERCURRENTN — USB1 bus overcurrent
indicator (active low).
CT1_CAP1 — Capture 1 input to Timer 1.
I/O FC8_RXD_SDA_MOSI — Flexcomm 8: USART receiver,
I2C data I/O, SPI master-out/slave-in data.
[2]
PIO2_18
PIO2_19
-
-
N10 90
-
-
PU; Z I/O PIO2_18 — General-purpose digital input/output pin.
O
LCD_VD[0] — LCD Data [0].
I/O FC3_RXD_SDA_MOSI — Flexcomm 3: USART receiver,
I2C data I/O, SPI master-out/slave-in data.
I/O FC7_SCK — Flexcomm 7: USART, SPI, or I2S clock.
O
CT3_MAT0 — Match output 0 from Timer 3.
PU; Z I/O PIO2_19 — General-purpose digital input/output pin.
LCD_VD[1] — LCD Data [1].
[2]
P12 93
O
I/O FC3_TXD_SCL_MISO — Flexcomm 3: USART transmitter,
I2C clock, SPI master-in/slave-out data.
I/O FC7_RXD_SDA_MOSI_DATA — Flexcomm 7: USART
receiver, I2C data I/O, SPI master-out/slave-in data, I2S
data I/O.
O
CT3_MAT1 — Match output 1 from Timer 3.
PU; Z I/O PIO2_20 — General-purpose digital input/output pin.
LCD_VD[2] — LCD Data [2].
[2]
PIO2_20
-
P13 95
-
O
I/O FC3_RTS_SCL_SSEL1 — Flexcomm 3: USART
request-to-send, I2C clock, SPI slave select 1.
I/O FC7_TXD_SCL_MISO_WS — Flexcomm 7: USART
transmitter, I2C clock, SPI master-in/slave-out data I/O, I2S
word-select/frame.
O
I
CT3_MAT2 — Match output 2 from Timer 3.
CT4_CAP0 — Capture input 4 to Timer 0.
LPC540xx
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 1.8 — 22 June 2018
34 of 168
NXP [ NXP ]
