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 47 of 168
NXP Semiconductors
LPC540xx
32-bit ARM Cortex-M4 microcontroller
PIO4_19 - - 14 -
[2]
PU; Z I/O PIO4_19 — General-purpose digital input/output pin.
O ENET_TXD0 — Ethernet transmit data 0.
O SD_CLK — SD/MMC clock.
I/O FC2_SCK — Flexcomm 2: USART or SPI clock.
I CT4_CAP2 — Capture input 2 to Timer 4.
R — Reserved.
O EMC_DQM[2] — External memory interface data mask 2.
PIO4_20 - - 18 -
[2]
PU; Z I/O PIO4_20 — General-purpose digital input/output pin.
O ENET_TXD1 — Ethernet transmit data 1.
I/O SD_CMD — SD/MMC card command I/O.
I/O FC2_RXD_SDA_MOSI — Flexcomm 2: USART receiver,
I2C data I/O, SPI master-out/slave-in data.
I CT4_CAP3 — Capture input 3 to Timer 4.
R — Reserved.
O EMC_DQM[3] — External memory interface data mask 3.
PIO4_21 - - 34 -
[2]
PU; Z I/O PIO4_21 — General-purpose digital input/output pin.
O ENET_TXD2 — Ethernet transmit data 2 (MII interface).
O SD_POW_EN — SD/MMC card power enable.
I/O FC2_TXD_SCL_MISO — Flexcomm 2: USART transmitter,
I2C clock, SPI master-in/slave-out data.
O CT2_MAT3 — Match output 3 from Timer 2.
R — Reserved.
I/O EMC_D[16] — External Memory interface data [16].
PIO4_22 - - 47 -
[2]
PU; Z I/O PIO4_22 — General-purpose digital input/output pin.
O ENET_TXD3 — Ethernet transmit data 3 (MII interface).
I SD_CARD_DET_N — SD/MMC card detect (active low).
I/O FC2_RTS_SCL_SSEL1 — Flexcomm 2: USART
request-to-send, I2C clock, SPI slave select 1.
O CT1_MAT3 — Match output 3 from Timer 1.
R — Reserved.
I/O EMC_D[17] — External Memory interface data [17].
Table 4. Pin description
…continued
Symbol
100-pin, TFBGA
180-pin, TFBGA
208-pin, LQFP
100-pin, LQFP
Reset state
[1]
[9]
Type
Description