LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[2]
[2]
[2]
[2]
PIO5_3
PIO5_4
PIO5_5
PIO5_6
-
-
-
-
-
-
-
-
129
135
145
152
-
-
-
-
PU; Z I/O PIO5_3 — General-purpose digital input/output pin.
O
O
I
ENET_MDC — Ethernet management data clock.
SD_VOLT[2] — SD/MMC card regulator voltage control [2].
CT3_CAP1 — Capture input 1 to Timer 3.
I/O FC4_RTS_SCL_SSEL1 — Flexcomm 4: USART
request-to-send, I2C clock, SPI slave select 1.
R — Reserved.
I/O EMC_D[30] — External Memory interface data [30].
PU; Z I/O PIO5_4 — General-purpose digital input/output pin.
I/O ENET_MDIO — Ethernet management data I/O.
O
SD_BACKEND_PWR — SD/MMC back-end power supply
for embedded device.
I
CT3_CAP2 — Capture input 2 to Timer 3.
I/O FC4_SSEL2 — Flexcomm 4: SPI slave select 2.
R — Reserved.
I/O EMC_D[31] — External Memory interface data [31].
PU; Z I/O PIO5_5 — General-purpose digital input/output pin.
I
SCT0_GPI0 — Pin input 0 to SCTimer/PWM.
O
PDM1_CLK — Clock for PDM interface 1, for digital
microphone.
I
CT3_CAP3 — Capture input 3 to Timer 3.
I/O FC4_SSEL3 — Flexcomm 4: SPI slave select 3.
O
O
TRACECLK — Trace clock.
EMC_A[21] — External memory interface address 21.
PU; Z I/O PIO5_6 — General-purpose digital input/output pin.
I
I
SCT0_GPI1 — Pin input 1 to SCTimer/PWM.
PDM1_DATA — Data for PDM interface 1 (digital
microphone).
I/O FC5_SCK — Flexcomm 5: USART or SPI clock.
O
O
O
SCT0_OUT5 — SCTimer/PWM output 5.
TRACEDATA[0] — Trace data bit 0.
EMC_A[22] — External memory interface address 22.
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
51 of 168
NXP [ NXP ]
