LPC1111 datasheet(8/59 Pages) NXP

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LPC1111_12_13_14_1

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Product data sheet

Rev. 01 — 16 April 2010

8 of 59

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

Type

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[1]

RESET — External reset input: A LOW 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.

PIO0_1/CLKOUT/

CT32B0_MAT2

4[2]

I/O

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

during reset starts the ISP command handler.

CLKOUT — Clockout pin.

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

PIO0_2/SSEL0/

CT16B0_CAP0

10[2]

I/O

PIO0_2 — General purpose digital input/output pin.

SSEL0 — Slave Select for SPI0.

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

PIO0_3

14[2]

I/O

PIO0_3 — General purpose digital input/output pin.

PIO0_4/SCL

15[3]

I/O

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[3]

I/O

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[2]

I/O

PIO0_6 — General purpose digital input/output pin.

I/O

SCK0 — Serial clock for SPI0.

PIO0_7/CTS

23[2]

I/O

PIO0_7 — General purpose digital input/output pin (high-current output

driver).

CTS — Clear To Send input for UART.

PIO0_8/MISO0/

CT16B0_MAT0

27[2]

I/O

PIO0_8 — General purpose digital input/output pin.

I/O

MISO0 — Master In Slave Out for SPI0.

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

PIO0_9/MOSI0/

CT16B0_MAT1

28[2]

I/O

PIO0_9 — General purpose digital input/output pin.

I/O

MOSI0 — Master Out Slave In for SPI0.

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

SWCLK/PIO0_10/

SCK0/CT16B0_MAT2

29[2]

SWCLK — Serial wire clock.

I/O

PIO0_10 — General purpose digital input/output pin.

I/O

SCK0 — Serial clock for SPI0.

CT16B0_MAT2 — Match output 2 for 16-bit timer 0.

R/PIO0_11/

AD0/CT32B0_MAT3

32[4]

R — Reserved. Configure for an alternate function in the IOCONFIG block.

I/O

PIO0_11 — General purpose digital input/output pin.

AD0 — A/D converter, input 0.

CT32B0_MAT3 — Match output 3 for 32-bit timer 0.

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