LPC1313 datasheet(12/53 Pages) NXP

12 / 53 page

LPC1311_13_42_43_1

Product data sheet

Rev. 01 — 11 December 2009

12 of 53

NXP Semiconductors

LPC1311/13/42/43

32-bit ARM Cortex-M3 microcontroller

Table 4.

LPC1311/13/42/43 HVQFN33 pin description table

Symbol

Type

Description

RESET/PIO0_0

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

3[1]

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[1]

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[1]

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[2]

I/O

PIO0_4 — General purpose digital input/output pin.

I/O

SCL — I2C-bus clock input/output. High-current sink only if I2C Fast-mode

Plus is selected in the I/O conﬁguration register.

PIO0_5/SDA

11[2]

I/O

PIO0_5 — General purpose digital input/output pin.

I/O

SDA — I2C-bus data input/output. High-current sink only if I2C Fast-mode

Plus is selected in the I/O conﬁguration register.

PIO0_6/USB_CONNECT/

SCK

15[1]

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[1]

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[1]

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[1]

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[1]

SWCLK — Serial wire clock and test clock TCK for JTAG interface.

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.

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