LPC1311 datasheet(12/60 Pages) NXP

12 / 60 page

LPC1311_13_42_43_2

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Product data sheet

Rev. 02 — 6 May 2010

12 of 60

NXP Semiconductors

LPC1311/13/42/43

32-bit ARM Cortex-M3 microcontroller

PIO0_1/CLKOUT/

CT32B0_MAT2/

USB_FTOGGLE

3[2]

I/O

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 LPC1342/43 only, see description of PIO0_3).

CLKOUT — Clock out pin.

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

USB_FTOGGLE — USB 1 ms Start-of-Frame signal (LPC1342/43 only).

PIO0_2/SSEL/

CT16B0_CAP0

8[2]

I/O

PIO0_2 — General purpose digital input/output pin.

SSEL — Slave select for SSP.

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

PIO0_3/USB_VBUS

9[2]

I/O

PIO0_3 — General purpose digital input/output pin. LPC1342/43 only: A

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

level starts the USB device enumeration.

USB_VBUS — Monitors the presence of USB bus power (LPC1342/43

only).

PIO0_4/SCL

10[3]

I/O

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

11[3]

I/O

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

15[2]

I/O

PIO0_6 — General purpose digital input/output pin.

USB_CONNECT — Signal used to switch an external 1.5 k

Ω resistor under

software control. Used with the SoftConnect USB feature (LPC1342/43

only).

I/O

SCK — Serial clock for SSP.

PIO0_7/CTS

16[2]

I/O

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

driver).

CTS — Clear To Send input for UART.

PIO0_8/MISO/

CT16B0_MAT0

17[2]

I/O

PIO0_8 — General purpose digital input/output pin.

I/O

MISO — Master In Slave Out for SSP.

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

PIO0_9/MOSI/

CT16B0_MAT1/

SWO

18[2]

I/O

PIO0_9 — General purpose digital input/output pin.

I/O

MOSI — Master Out Slave In for SSP.

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

SWO — Serial wire trace output.

SWCLK/PIO0_10/SCK/

CT16B0_MAT2

19[2]

SWCLK — Serial wire clock.

I/O

PIO0_10 — General purpose digital input/output pin.

SCK — Serial clock for SSP.

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

R/PIO0_11/AD0/

CT32B0_MAT3

21[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.

Table 4.

LPC1311/13/42/43 HVQFN33 pin description table …continued

Symbol

Type

Description

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