LPC1111 datasheet(8/64 Pages) NXP

Part #	LPC1111

Description	32-bit ARM Cortex-M0 microcontroller; up to 32 kB flash and 8 kB SRAM

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Manufacturer	NXP [NXP Semiconductors]

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LPC1111_12_13_14

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Product data sheet

Rev. 5 — 22 June 2011

8 of 64

NXP Semiconductors

LPC1111/12/13/14

32-bit ARM Cortex-M0 microcontroller

6.2 Pin description

Table 3.

LPC1113/14 pin description table (LQFP48 package)

Symbol

Start

logic

input

Type

Reset

state

[1]

Description

PIO0_0 to PIO0_11

I/O

Port 0 — Port 0 is a 12-bit I/O port with individual direction and

function controls for each bit. The operation of port 0 pins

depends on the function selected through the IOCONFIG

register block.

RESET/PIO0_0

3[2]

yes

I

I; PU

RESET — External reset input with 20 ns glitch filter. 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.

I/O

-

PIO0_0 — General purpose digital input/output pin with 10 ns

glitch filter.

PIO0_1/CLKOUT/

CT32B0_MAT2

4[3]

yes

I/O

I; PU

PIO0_1 — General purpose digital input/output pin. A LOW

level on this pin during reset starts the ISP command handler.

O-

CLKOUT — Clockout pin.

O-

CT32B0_MAT2 — Match output 2 for 32-bit timer 0.

PIO0_2/SSEL0/

CT16B0_CAP0

10[3]

yes

I/O

I; PU

PIO0_2 — General purpose digital input/output pin.

I/O

-

SSEL0 — Slave Select for SPI0.

I-

CT16B0_CAP0 — Capture input 0 for 16-bit timer 0.

PIO0_3

14[3]

yes

I/O

I; PU

PIO0_3 — General purpose digital input/output pin.

PIO0_4/SCL

15[4]

yes

I/O

I; IA

PIO0_4 — General purpose digital input/output pin

(open-drain).

I/O

-

SCL — I2C-bus, open-drain clock input/output. High-current

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

configuration register.

PIO0_5/SDA

16[4]

yes

I/O

I; IA

PIO0_5 — General purpose digital input/output pin

(open-drain).

I/O

-

SDA — I2C-bus, open-drain data input/output. High-current sink

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

register.

PIO0_6/SCK0

22[3]

yes

I/O

I; PU

PIO0_6 — General purpose digital input/output pin.

I/O

-

SCK0 — Serial clock for SPI0.

PIO0_7/CTS

23[3]

yes

I/O

I; PU

PIO0_7 — General purpose digital input/output pin

(high-current output driver).

I-

CTS — Clear To Send input for UART.

PIO0_8/MISO0/

CT16B0_MAT0

27[3]

yes

I/O

I; PU

PIO0_8 — General purpose digital input/output pin.

I/O

-

MISO0 — Master In Slave Out for SPI0.

O-

CT16B0_MAT0 — Match output 0 for 16-bit timer 0.

PIO0_9/MOSI0/

CT16B0_MAT1

28[3]

yes

I/O

I; PU

PIO0_9 — General purpose digital input/output pin.

I/O

-

MOSI0 — Master Out Slave In for SPI0.

O-

CT16B0_MAT1 — Match output 1 for 16-bit timer 0.

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