LPC546xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[2]
PIO0_18
C9 C14 150 72
PU I/O PIO0_18 — General-purpose digital input/output pin.
I/O FC4_CTS_SDA_SSEL0 — Flexcomm 4: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
I
SD_WR_PRT — SD/MMC write protect.
O
O
O
O
CT1_MAT0 — Match output 0 from Timer 1.
SCT0_OUT1 — SCTimer/PWM output 1.
SCI1_SCLK — SmartCard Interface 1 clock.
EMC_A[0] — External memory interface address 0.
[2]
PIO0_19
C5 C6 193 91
PU I/O PIO0_19 — General-purpose digital input/output pin.
I/O FC4_RTS_SCL_SSEL1 — Flexcomm 4: USART
request-to-send, I2C clock, SPI slave select 1.
I
UTICK_CAP0 — Micro-tick timer capture input 0.
CT0_MAT2 — Match output 2 from Timer 0.
SCT0_OUT2 — SCTimer/PWM output 2.
R — Reserved.
O
O
O
EMC_A[1] — External memory interface address 1.
I/O FC7_TXD_SCL_MISO_WS — Flexcomm 7: USART
transmitter, I2C clock, SPI master-in/slave-out data I/O, I2S
word-select/frame.
[2]
PIO0_20
C8 D13 153 74
PU I/O PIO0_20 — General-purpose digital input/output pin.
I/O FC3_CTS_SDA_SSEL0 — Flexcomm 3: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
O
I
CT1_MAT1 — Match output 1 from Timer 1.
CT3_CAP3 — Capture input 3 to Timer 3.
SCT0_GPI2 — Pin input 2 to SCTimer/PWM.
I
I/O SCI0_IO — SmartCard Interface 0 data I/O.
EMC_A[2] — External memory interface address 2.
O
I/O FC7_RXD_SDA_MOSI_DATA — Flexcomm 7: USART
receiver, I2C data I/O, SPI master-out/slave-in data, I2S data
I/O.
[2]
PIO0_21
B9 C13 158 77
PU I/O PIO0_21 — General-purpose digital input/output pin.
I/O FC3_RTS_SCL_SSEL1 — Flexcomm 3: USART
request-to-send, I2C clock, SPI slave select 1.
I
UTICK_CAP3 — Micro-tick timer capture input 3.
CT3_MAT3 — Match output 3 from Timer 3.
SCT0_GPI3 — Pin input 3 to SCTimer/PWM.
SCI0_SCLK — SmartCard Interface 0 clock.
EMC_A[3] — External memory interface address 3.
O
I
O
O
I/O FC7_SCK — Flexcomm 7: USART, SPI, or I2S clock.
LPC546xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 2.5 — 20 June 2018
19 of 169
NXP [ NXP ]
