LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[2]
[2]
PIO2_27
PIO2_28
-
-
H14 130
G13 134
-
-
PU; Z I/O PIO2_27 — General-purpose digital input/output pin.
LCD_VD[9] — LCD Data [9].
O
I/O FC9_SCK — Flexcomm 9: USART or SPI clock.
I/O FC3_SSEL2 — Flexcomm 3: SPI slave select 2.
PU; Z I/O PIO2_28 — General-purpose digital input/output pin.
O
LCD_VD[10]) — LCD Data [10].
I/O FC7_CTS_SDA_SSEL0 — Flexcomm 7: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
R — Reserved
I
CT2_CAP2 — Capture input 2 to Timer 2.
PU; Z I/O PIO2_29 — General-purpose digital input/output pin.
LCD_VD[11] — LCD Data [11].
[2]
PIO2_29
-
G11 137
-
O
I/O FC7_RTS_SCL_SSEL1 — Flexcomm 7: USART
request-to-send, I2C clock, SPI slave select 1.
I/O FC8_TXD_SCL_MISO — Flexcomm 8: USART transmitter,
I2C clock, SPI master-in/slave-out data.
I
CT2_CAP3 — Capture 3 input to Timer 2.
CLKOUT — Output of the CLKOUT function.
O
[2]
PIO2_30
-
F12 143
-
PU; Z I/O PIO2_30 — General-purpose digital input/output pin.
O
LCD_VD[12] — LCD Data [12].
R — Reserved.
R — Reserved.
O
CT2_MAT2 — Match output 2 from Timer 2.
[2]
[2]
PIO2_31
PIO3_0
-
-
D14 149
D12 155
-
-
PU; Z I/O PIO2_31 — General-purpose digital input/output pin.
LCD_VD[13] — LCD Data [13].
PU; Z I/O PIO3_0 — General-purpose digital input/output pin.
O
O
O
LCD_VD[14] — LCD Data [14].
PDM0_CLK — Clock for PDM interface 0, for digital
microphone.
R — Reserved.
O
CT1_MAT0 — Match output 0 from Timer 1.
[2]
PIO3_1
-
D11 159
-
PU; Z I/O PIO3_1 — General-purpose digital input/output pin.
O
I
LCD_VD[15] — LCD Data [15].
PDM0_DATA — Data for PDM interface 0 (digital
microphone).
R — Reserved.
O
CT1_MAT1 — Match output 1 from Timer 1.
LPC540xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 1.8 — 22 June 2018
36 of 168
NXP [ NXP ]
