LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[2]
PIO0_9
E10 G12 136 65
PU; Z I/O PIO0_9 — General-purpose digital input/output pin.
I/O FC3_SSEL2 — Flexcomm 3: SPI slave select 2.
O
SD_POW_EN — SD/MMC card power enable.
I/O FC5_TXD_SCL_MISO — Flexcomm 5: USART transmitter,
I2C clock, SPI master-in/slave-out data.
R — Reserved.
I/O SCI1_IO — SmartCard Interface 1 data I/O.
I/O EMC_D[7] — External Memory interface data [7].
[4]
PIO0_10/
ADC0_0
J1
P2 50
23
PU; Z I/O; PIO0_10/ADC0_0 — General-purpose digital input/output
AI pin. ADC input channel 0 if the DIGIMODE bit is set to 0 in
the IOCON register for this pin.
I/O FC6_SCK — Flexcomm 6: USART, SPI, or I2S clock.
I
CT2_CAP2 — Capture input 2 to Timer 2.
CT2_MAT0 — Match output 0 from Timer 2.
O
I/O FC1_TXD_SCL_MISO — Flexcomm 1: USART transmitter,
I2C clock, SPI master-in/slave-out data.
R — Reserved.
O
SWO — Serial Wire Debug trace output.
[4]
PIO0_11/
ADC0_1
K1 L3
51
24
PU; Z I/O; PIO0_11/ADC0_1 — General-purpose digital input/output
AI pin. ADC input channel 1 if the DIGIMODE bit is set to 0 in
the IOCON register for this pin.
I/O FC6_RXD_SDA_MOSI_DATA — Flexcomm 6: USART
receiver, I2C data I/O, SPI master-out/slave-in data, I2S
data I/O.
O
I
CT2_MAT2 — Match output 2 from Timer 2.
FREQME_GPIO_CLK_A — Frequency Measure pin clock
input A.
R — Reserved.
R — Reserved.
I
SWCLK — Serial Wire Debug clock. This is the default
function after booting.
LPC540xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 1.8 — 22 June 2018
16 of 168
NXP [ NXP ]
