LPC1313 datasheet(9/62 Pages) NXP

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LPC1311_13_42_43

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Product data sheet

Rev. 3 — 10 August 2010

9 of 62

NXP Semiconductors

LPC1311/13/42/43

32-bit ARM Cortex-M3 microcontroller

6.2 Pin description

Table 3.

LPC1313/43 LQFP48 pin description table

Symbol

Start

logic

input

Type Reset

state

[1]

Description

RESET/PIO0_0

3[2]

yes

I; PU

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/

USB_FTOGGLE

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 or the USB device

enumeration (USB on LPC1343 only, see description of PIO0_3).

O-

CLKOUT — Clockout pin.

O-

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

O-

USB_FTOGGLE — USB 1 ms Start-of-Frame signal (LPC1343 only).

PIO0_2/SSEL/

CT16B0_CAP0

10[3] yes

I/O

I; PU

PIO0_2 — General purpose digital input/output pin.

I/O

SSEL — Slave select for SSP.

I-

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

PIO0_3/USB_VBUS 14[3] yes

I/O

I; PU

PIO0_3 — General purpose digital input/output pin. LPC1343 only: A

LOW level on this pin during reset starts the ISP command handler, a

HIGH level starts the USB device enumeration.

I-

USB_VBUS — Monitors the presence of USB bus power (LPC1343

only).

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 clock input/output (open-drain). 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 data input/output (open-drain). High-current sink only if

I2C Fast-mode Plus is selected in the I/O configuration register.

PIO0_6/

USB_CONNECT/

SCK

22[3] yes

I/O

I; PU

PIO0_6 — General purpose digital input/output pin.

O-

USB_CONNECT — Signal used to switch an external 1.5 k

Ω resistor

under software control. Used with the SoftConnect USB feature

(LPC1343 only).

I/O

SCK — Serial clock for SSP.

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/MISO/

CT16B0_MAT0

27[3] yes

I/O

I; PU

PIO0_8 — General purpose digital input/output pin.

I/O

MISO — Master In Slave Out for SSP.

O-

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

PIO0_9/MOSI/

CT16B0_MAT1/

SWO

28[3] yes

I/O

I; PU

PIO0_9 — General purpose digital input/output pin.

I/O

MOSI — Master Out Slave In for SSP.

O-

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

O-

SWO — Serial wire trace output.

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