LPC804 datasheet(12/89 Pages) NXP

12 / 89 page

LPC804

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Product data sheet

Rev. 2.1 — 25 July 2023

12 of 87

NXP Semiconductors

LPC804

32-bit Arm Cortex-M0+ microcontroller

PIO0_7/ADC_1/

ACMPVREF

20 17 22

[2]

I; PU

PIO0_7 — General-purpose port 0

input/output 7.

ADC_1 — ADC input 1.

ACMPVREF — Alternate reference voltage

for the analog comparator.

PIO0_8/ADC_5

17 14 19

[2]

I; PU

PIO0_8 — General-purpose port 0

input/output 8. In ISP mode, this is the

U0_RXD pin (for dual supply devices).

ADC_5 — ADC input 5.

PIO0_9/ADC_4

16 13 18

[2]

I; PU

PIO0_9 — General-purpose port 0

input/output 9. In ISP mode, this is the

U0_TXD pin (for dual supply devices).

ADC_4 — ADC input 4.

PIO0_10/ADC_7

11 10 9

[2]

I; PU

I; F

PIO0_10 — General-purpose port 0

input/output 10.

ADC_7 — ADC input 7.

PIO0_11/ADC_6/

WKTCLKIN

10 9

[2]

I; PU

I; F

PIO0_11 — General-purpose port 0

input/output 11.

ADC_6 — ADC input 6.

WKTCKLKIN — 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 sleep, deep-sleep,

and power-down modes.

PIO0_12

[3]

I; PU

PIO0_12 — General-purpose port 0

input/output 12. ISP entry pin. A LOW level

on this pin during reset starts the ISP

command handler.

PIO0_13/ADC_10

[2]

I; PU

PIO0_13 — General-purpose port 0

input/output 13.

ADC_10 — ADC input 10.

PIO0_14/ACMP_3/

ADC_2

23 20 25

[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/ADC_8

14 11

[4]

I; PU

PIO0_15 — General-purpose port 0

input/output 15.

ADC_8 — ADC input 8.

Table 4.

Pin description

Symbol

Reset

state[1]

Type Description

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