Datasheet
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 52 of 168
NXP Semiconductors
LPC540xx
32-bit ARM Cortex-M4 microcontroller
PIO5_7 - - 171 -
[2]
PU; Z I/O PIO5_7 — General-purpose digital input/output pin.
I SCT0_GPI2 — Pin input 2 to SCTimer/PWM.
I/O MCLK — MCLK input or output for I2S and/or digital
microphone.
I/O FC5_RXD_SDA_MOSI — Flexcomm 5: USART receiver,
I2C data I/O, SPI master-out/slave-in data.
O SCT0_OUT6 — SCTimer/PWM output 6.
O TRACEDATA[1] — Trace data bit 1.
O EMC_A[23] — External memory interface address 23.
PIO5_8 - - 175 -
[2]
PU; Z I/O PIO5_8 — General-purpose digital input/output pin.
I SCT0_GPI3 — Pin input 3 to SCTimer/PWM.
O PDM0_CLK — Clock for PDM interface 0, for digital
microphone.
I/O FC5_TXD_SCL_MISO — Flexcomm 5: USART transmitter,
I2C clock, SPI master-in/slave-out data.
O SCT0_OUT7 — SCTimer/PWM output 7.
O TRACEDATA[2] — Trace data bit 2.
O EMC_A[24] — External memory interface address 24.
PIO5_9 - - 179 -
[2]
PU; Z I/O PIO5_9 — General-purpose digital input/output pin.
I SCT0_GPI4 — Pin input 4 to SCTimer/PWM.
I PDM0_DATA — Data for PDM interface 0 (digital
microphone).
I/O FC5_CTS_SDA_SSEL0 — Flexcomm 5: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
O SCT0_OUT8 — SCTimer/PWM output 8.
O TRACEDATA[3] — Trace data bit 3.
O EMC_A[25] — External memory interface address 25.
PIO5_10 - - 168 -
[2]
PU; Z I/O PIO5_10 — General-purpose digital input/output pin.
I SCT0_GPI5 — Pin input 5 to SCTimer/PWM.
R — Reserved.
I/O FC5_RTS_SCL_SSEL1 — Flexcomm 5: USART
request-to-send, I2C clock, SPI slave select 1.
O SCT0_OUT9 — SCTimer/PWM output 9.
I UTICK_CAP3 — Micro-tick timer capture input 3.
USB1_AVSSC D1 F2 20 6 USB1 analog 3.3 V ground.
USB1_REXT B1 F1 21 7 USB1 analog signal for reference resistor, 12.4
k +/-1%
USB1_ID C1 G1 22 8 Indicates to the transceiver whether connected as an
A-device (USB1_ID LOW) or B-device (USB1_ID HIGH).
USB1_VBUS D3 G2 23 9
[6][8]
I/O VBUS pin (power on USB cable).
Table 4. Pin description
…continued
Symbol
100-pin, TFBGA
180-pin, TFBGA
208-pin, LQFP
100-pin, LQFP
Reset state
[1]
[9]
Type
Description