LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[2]
[2]
[2]
[2]
PIO4_23
PIO4_24
PIO4_25
PIO4_26
-
-
-
-
-
-
-
-
42
67
69
73
-
-
-
-
PU; Z I/O PIO4_23 — General-purpose digital input/output pin.
I
I
ENET_RXD0 — Ethernet receive data 0.
SD_WR_PRT — SD/MMC write protect.
I/O FC2_CTS_SDA_SSEL0 — Flexcomm 2: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
R — Reserved.
O
CT1_MAT0 — Match output 0 from Timer 1.
I/O EMC_D[18] — External Memory interface data [18].
PU; Z I/O PIO4_24 — General-purpose digital input/output pin.
I
I
ENET_RXD1 — Ethernet receive data 1.
SD_CARD_INT_N — Card interrupt line.
I/O FC7_RTS_SCL_SSEL1 — Flexcomm 7: USART
request-to-send, I2C clock, SPI slave select 1.
R — Reserved.
O
CT1_MAT1 — Match output 1 from Timer 1.
I/O EMC_D[19] — External Memory interface data [19].
PU; Z I/O PIO4_25 — General-purpose digital input/output pin.
I
ENET_RXD2 — Ethernet Receive Data 2 (MII interface).
I/O SD_D[0] — SD/MMC data 0.
I/O FC7_CTS_SDA_SSEL0 — Flexcomm 7: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
R — Reserved.
O
CT1_MAT2 — Match output 2 from Timer 1.
I/O EMC_D[20] — External Memory interface data [20].
PU; Z I/O PIO4_26 — General-purpose digital input/output pin.
I
ENET_RXD3 — Ethernet Receive Data 3 (MII interface).
I/O SD_D[1] — SD/MMC data 1.
R — Reserved.
I
UTICK_CAP2 — Micro-tick timer capture input 2.
CT1_MAT3 — Match output 3 from Timer 1.
O
I/O EMC_D[21] — External Memory interface data [21].
LPC540xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 1.8 — 22 June 2018
48 of 168
NXP [ NXP ]
