LPC11U2X datasheet(13/67 Pages) PHILIPS

13 / 67 page

LPC11U2X

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Preliminary data sheet

Rev. 1 — 29 November 2011

13 of 67

NXP Semiconductors

LPC11U2x

32-bit ARM Cortex-M0 microcontroller

PIO1_20/DSR/SCK1

[3]

I; PU

I/O

PIO1_20 — General purpose digital input/output pin.

-I

DSR — Data Set Ready input for USART.

I/O

SCK1 — Serial clock for SSP1.

PIO1_21/DCD/MISO1

[3]

I; PU

I/O

PIO1_21 — General purpose digital input/output pin.

-I

DCD — Data Carrier Detect input for USART.

I/O

MISO1 — Master In Slave Out for SSP1.

PIO1_22/RI/MOSI1

[3]

I; PU

I/O

PIO1_22 — General purpose digital input/output pin.

-I

RI — Ring Indicator input for USART.

I/O

MOSI1 — Master Out Slave In for SSP1.

PIO1_23/CT16B1_MAT1/

SSEL1

-H4

[3]

I; PU

I/O

PIO1_23 — General purpose digital input/output pin.

-O

CT16B1_MAT1 — Match output 1 for 16-bit timer 1.

I/O

SSEL1 — Slave select for SSP1.

PIO1_24/CT32B0_MAT0

[3]

I; PU

I/O

PIO1_24 — General purpose digital input/output pin.

-O

CT32B0_MAT0 — Match output 0 for 32-bit timer 0.

PIO1_25/CT32B0_MAT1

[3]

I; PU

I/O

PIO1_25 — General purpose digital input/output pin.

-O

CT32B0_MAT1 — Match output 1 for 32-bit timer 0.

PIO1_26/CT32B0_MAT2/

RXD

-G2

[3]

I; PU

I/O

PIO1_26 — General purpose digital input/output pin.

-O

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

-I

RXD — Receiver input for USART.

PIO1_27/CT32B0_MAT3/

TXD

-G1

[3]

I; PU

I/O

PIO1_27 — General purpose digital input/output pin.

-O

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

-O

TXD — Transmitter output for USART.

PIO1_28/CT32B0_CAP0/

SCLK

-H7

[3]

I; PU

I/O

PIO1_28 — General purpose digital input/output pin.

-I

CT32B0_CAP0 — Capture input 0 for 32-bit timer 0.

I/O

SCLK — Serial clock input/output for USART in

synchronous mode.

PIO1_29/SCK0/

CT32B0_CAP1

-D7

[3]

I; PU

I/O

PIO1_29 — General purpose digital input/output pin.

I/O

SCK0 — Serial clock for SSP0.

-I

CT32B0_CAP1 — Capture input 1 for 32-bit timer 0.

PIO1_31

[3]

I; PU

I/O

PIO1_31 — General purpose digital input/output pin.

USB_DM

[7]

F-

USB_DM — USB bidirectional D

 line.

USB_DP

[7]

F-

USB_DP — USB bidirectional D+ line.

XTALIN

[8]

Input to the oscillator circuit and internal clock

generator circuits. Input voltage must not exceed

1.8 V.

Table 3.

Pin description

Symbol

Reset

state

[1]

Type

Description

LPC11U2X Datasheet(PDF) 13 Page - NXP Semiconductors

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