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 45 of 168
NXP Semiconductors
LPC540xx
32-bit ARM Cortex-M4 microcontroller
PIO4_9 - A12 173 -
[2][8]
PU; Z I/O PIO4_9 — General-purpose digital input/output pin.
O ENET_TXD1 — Ethernet transmit data 1.
I/O FC2_RXD_SDA_MOSI — Flexcomm 2: USART receiver,
I2C data I/O, SPI master-out/slave-in data.
O USB1_PORTPWRN — USB1 VBUS drive indicator
(Indicates VBUS must be driven).
O USB1_FRAME — USB1 frame toggle signal.
I SCT0_GPI2 — Pin input 2 to SCTimer/PWM.
PIO4_10 - B9 181 -
[2]
PU; Z I/O PIO4_10 — General-purpose digital input/output pin.
I ENET_RX_DV — Ethernet receive data valid.
I/O FC2_TXD_SCL_MISO — Flexcomm 2: USART transmitter,
I2C clock, SPI master-in/slave-out data.
I USB1_OVERCURRENTN — USB1 bus overcurrent
indicator (active low).
O USB1_LEDN — USB1-configured LED indicator (active
low).
SCT0_GPI3 — Pin input 3 to SCTimer/PWM.
PIO4_11 - A9 183 -
[2]
PU; Z I/O PIO4_11 — General-purpose digital input/output pin.
I ENET_RXD0 — Ethernet receive data 0.
I/O FC2_CTS_SDA_SSEL0 — Flexcomm 2: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
I USB0_IDVALUE — Indicates to the transceiver whether
connected as an A-device (USB0_ID LOW) or B-device
(USB0_ID HIGH).
R — Reserved.
I SCT0_GPI4 — Pin input 4 to SCTimer/PWM.
PIO4_12 - A6 188 -
[2]
PU; Z I/O PIO4_12 — General-purpose digital input/output pin.
I ENET_RXD1 — Ethernet receive data 1.
I/O FC2_RTS_SCL_SSEL1 — Flexcomm 2: USART
request-to-send, I2C clock, SPI slave select 1.
R — Reserved.
I SCT0_GPI5 — Pin input 5 to SCTimer/PWM.
PIO4_13 - B6 190 -
[2]
PU; Z I/O PIO4_13 — General-purpose digital input/output pin.
O ENET_TX_EN — Ethernet transmit enable (RMII/MII
interface).
O CT4_MAT0 — Match output 0 from Timer 4.
R — Reserved.
I SCT0_GPI6 — Pin input 6 to SCTimer/PWM.
Table 4. Pin description
…continued
Symbol
100-pin, TFBGA 180-pin, TFBGA 208-pin, LQFP 100-pin, LQFP Reset state
[1]
[9]
Type
Description