LPC83X datasheet(8/78 Pages) NXP

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LPC83x

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Product data sheet

Rev. 1.2 — 4 April 2018

8 of 78

NXP Semiconductors

LPC83x

32-bit ARM Cortex-M0+ microcontroller

RESET/PIO0_5

[7]

I; PU

RESET — External reset input: A LOW-going pulse as short as

50 ns on this pin resets the device, causing I/O ports and

peripherals to take on their default states, and processor

execution to begin at address 0.

In deep power-down mode, this pin must be pulled HIGH

externally. The RESET pin can be left unconnected or be used as

a GPIO or for any movable function if an external RESET function

is not needed and the Deep power-down mode is not used.

PIO0_5 — General-purpose port 0 input/output 5.

PIO0_6/ADC_1

[10]

I; PU

PIO0_6 — General-purpose port 0 input/output 6.

ADC_1 — ADC input 1.

PIO0_7/ADC_0

[2]

I; PU

PIO0_7 — General-purpose port 0 input/output 7.

ADC_0 — ADC input 0.

PIO0_8/XTALIN

[8]

I; PU

PIO0_8 — General-purpose port 0 input/output 8.

XTALIN — Input to the oscillator circuit and internal clock

generator circuits. Input voltage must not exceed 1.95 V.

PIO0_9/XTALOUT

[8]

I; PU

PIO0_9 — General-purpose port 0 input/output 9.

XTALOUT — Output from the oscillator circuit.

PIO0_10/I2C0_SCL 10

[6]

Inactive I; F

PIO0_10 — General-purpose port 0 input/output 10 (open-drain).

I2C0_SCL — Open-drain I2C-bus clock input/output. High-current

sink if I2C Fast-mode Plus is selected in the I/O configuration

PIO0_11/I2C0_SDA 9

[6]

Inactive I; F

PIO0_11 — General-purpose port 0 input/output 11 (open-drain).

I2C0_SDA — Open-drain I2C-bus data input/output. High-current

sink if I2C Fast-mode Plus is selected in the I/O configuration

PIO0_12

[4]

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/ADC_2

[2]

I; PU

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

ADC_2 — ADC input 2.

Table 3.

Pin description

Symbol

Reset

state[1]

Type

Description

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