LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[2][8]
PIO0_22
B8 B12 163 80
PU; Z I/O PIO0_22 — General-purpose digital input/output pin.
I/O FC6_TXD_SCL_MISO_WS — Flexcomm 6: USART
transmitter, I2C clock, SPI master-in/slave-out data I/O, I2S
word-select/frame.
I
UTICK_CAP1 — Micro-tick timer capture input 1.
CT3_CAP3 — Capture input 3 to Timer 3.
SCT0_OUT3 — SCTimer/PWM output 3.
R — Reserved.
I
O
R — Reserved.
I
USB0_VBUS — Monitors the presence of USB0 bus
power.
[4]
PIO0_23/
ADC0_11
K5 N7 71
35
PU; Z I/O; PIO0_23/ADC0_11 — General-purpose digital input/output
AI pin. ADC input channel 11 if the DIGIMODE bit is set to 0 in
the IOCON register for this pin.
I/O MCLK — MCLK input or output for I2S and/or digital
microphone.
O
O
O
CT1_MAT2 — Match output 2 from Timer 1.
CT3_MAT3 — Match output 3 from Timer 3.
SCT0_OUT4 — SCTimer/PWM output 4.
I/O FC0_CTS_SDA_SSEL0 — Flexcomm 0: USART
clear-to-send, I2C data I/O, SPI slave select 0.
I/O SPIFI_CSN — SPI Flash Interface chip select (active low).
PU; Z I/O PIO0_24 — General-purpose digital input/output pin.
[2]
PIO0_24
J5
M7 76
38
I/O FC0_RXD_SDA_MOSI — Flexcomm 0: USART receiver,
I2C data I/O, SPI master-out/slave-in data.
I/O SD_D[0] — SD/MMC data 0.
I
I
CT2_CAP0 — Capture input 0 to Timer 2.
SCT0_GPI0 — Pin input 0 to SCTimer/PWM.
R — Reserved.
I/O SPIFI_IO0 — Data bit 0 for the SPI Flash Interface.
[2]
PIO0_25
J6
K8 83
40
PU; Z I/O PIO0_25 — General-purpose digital input/output pin.
I/O FC0_TXD_SCL_MISO — Flexcomm 0: USART transmitter,
I2C clock, SPI master-in/slave-out data.
I/O SD_D[1] — SD/MMC data 1.
I
I
CT2_CAP1 — Capture input 1 to Timer 2.
SCT0_GPI1 — Pin input 1 to SCTimer/PWM.
R — Reserved.
I/O SPIFI_IO1 — Data bit 1 for the SPI Flash Interface.
LPC540xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 1.8 — 22 June 2018
20 of 168
NXP [ NXP ]
