LPC84X datasheet(13/97 Pages) NXP

13 / 97 page

LPC84x

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Product data sheet

Rev. 1.7 — 27 February 2018

13 of 97

NXP Semiconductors

LPC84x

32-bit Arm Cortex-M0+ microcontroller

PIO0_14/

ACMP_I3/ADC_2

[2]

I; PU

PIO0_14 — General-purpose port 0 input/output 14.

ACMP_I3 — Analog comparator common input 3.

ADC_2 — ADC input 2.

PIO0_15

[5]

I; PU

PIO0_15 — General-purpose port 0 input/output 15.

PIO0_16

[4]

I; PU

PIO0_16 — General-purpose port 0 input/output 16.

PIO0_17/ADC_9/

DACOUT_0

[2]

I; PU

PIO0_17 — General-purpose port 0 input/output 17.

ADC_9 — ADC input 9.

DACOUT_0 — DAC Output 0.

PIO0_18/ADC_8

[2]

I; PU

PIO0_18 — General-purpose port 0 input/output 18.

ADC_8 — ADC input 8.

PIO0_19/ADC_7

[2]

I; PU

PIO0_19 — General-purpose port 0 input/output 19.

ADC_7 — ADC input 7.

PIO0_20/ADC_6

[2]

I; PU

PIO0_20 — General-purpose port 0 input/output 20.

ADC_6 — ADC input 6.

PIO0_21/ADC_5

[2]

I; PU

PIO0_21 — General-purpose port 0 input/output 21.

ADC_5 — ADC input 5.

PIO0_22/ADC_4

[2]

I; PU

PIO0_22 — General-purpose port 0 input/output 22.

ADC_4 — ADC input 4.

PIO0_23/ADC_3/

ACMP_I4

[2]

I; PU

PIO0_23 — General-purpose port 0 input/output 23.

ADC_3 — ADC input 3.

ACMP_I4 — Analog comparator common input 4.

PIO0_24

[5]

I; PU

PIO0_24 — General-purpose port 0 input/output 24.

In ISP mode, this is the U0_RXD pin.

PIO0_25

[5]

I; PU

PIO0_25 — General-purpose port 0 input/output 25.

In ISP mode, this pin is the U0_TXD pin.

PIO0_26

[5]

I; PU

PIO0_26 — General-purpose port 0 input/output 26.

PIO0_27

[5]

I; PU

PIO0_27 — General-purpose port 0 input/output 27.

PIO0_28/

WKTCLKIN

[3]

I; PU

PIO0_28 — General-purpose port 0 input/output 28.

This pin can host an external clock for the

self-wake-up timer. To use the pin as a self-wake-up

timer clock input, select the external clock in the

wake-up timer CTRL register. The external clock

input is active in all power modes, including deep

power-down.

PIO0_29/

DACOUT_1

[5]

I; PU

PIO0_29 — General-purpose port 0 input/output 29.

DACOUT_1 — DAC output 1.

PIO0_30/ACMP_I5 54

[5]

I; PU

PIO0_30 — General-purpose port 0 input/output 30.

ACMP_I5 — Analog comparator common input 5.

Table 4.

Pin description

Symbol

Reset

state[1]

Type Description

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