LPC1313 datasheet(11/60 Pages) NXP

11 / 60 page

LPC1311_13_42_43_2

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Product data sheet

Rev. 02 — 6 May 2010

11 of 60

NXP Semiconductors

LPC1311/13/42/43

32-bit ARM Cortex-M3 microcontroller

[1]

See Figure 31 for pad characteristics. RESET functionality is not available in Deep power-down mode. Use the WAKEUP pin to reset

the chip and wake up from Deep power-down mode.

[2]

5 V tolerant pad providing digital I/O functions with configurable pull-up/pull-down resistors and configurable hysteresis (see Figure 30).

[3]

I2C-bus pads compliant with the I2C-bus specification for I2C standard mode and I2C Fast-mode Plus.

[4]

5 V tolerant pad providing digital I/O functions with configurable pull-up/pull-down resistors, configurable hysteresis, and analog input.

When configured as a ADC input, digital section of the pad is disabled and the pin is not 5 V tolerant (see Figure 30).

[5]

Pad provides USB functions. It is designed in accordance with the USB specification, revision 2.0 (Full-speed and Low-speed mode

only).

[6]

When the system oscillator is not used, connect XTALIN and XTALOUT as follows: XTALIN can be left floating or can be grounded

(grounding is preferred to reduce susceptibility to noise). XTALOUT should be left floating.

PIO2_4

19[2]

I/O

PIO2_4 — General purpose digital input/output pin (LPC1313 only).

PIO2_5

21[2]

I/O

PIO2_5 — General purpose digital input/output pin (LPC1343 only).

PIO2_5

20[2]

I/O

PIO2_5 — General purpose digital input/output pin (LPC1313 only).

PIO2_6

1[2]

I/O

PIO2_6 — General purpose digital input/output pin.

PIO2_7

11[2]

I/O

PIO2_7 — General purpose digital input/output pin.

PIO2_8

12[2]

I/O

PIO2_8 — General purpose digital input/output pin.

PIO2_9

24[2]

I/O

PIO2_9 — General purpose digital input/output pin.

PIO2_10

25[2]

I/O

PIO2_10 — General purpose digital input/output pin.

PIO2_11/SCK

31[2]

I/O

PIO2_11 — General purpose digital input/output pin.

I/O

SCK — Serial clock for SSP.

PIO3_0

36[2]

I/O

PIO3_0 — General purpose digital input/output pin.

PIO3_1

37[2]

I/O

PIO3_1 — General purpose digital input/output pin.

PIO3_2

43[2]

I/O

PIO3_2 — General purpose digital input/output pin.

PIO3_3

48[2]

I/O

PIO3_3 — General purpose digital input/output pin.

PIO3_4

18[2]

I/O

PIO3_4 — General purpose digital input/output pin (LPC1313 only).

PIO3_5

21[2]

I/O

PIO3_5 — General purpose digital input/output pin (LPC1313 only).

USB_DM

19[5]

I/O

USB_DM — USB bidirectional D

− line (LPC1343 only).

USB_DP

20[5]

I/O

USB_DP — USB bidirectional D+ line (LPC1343 only).

VDD

8; 44

3.3 V supply voltage to the internal regulator, the external rail, and the ADC.

Also used as the ADC reference voltage.

XTALIN

6[6]

Input to the oscillator circuit and internal clock generator circuits. Input

voltage must not exceed 1.8 V.

XTALOUT

7[6]

Output from the oscillator amplifier.

VSS

5; 41

Ground.

Table 3.

LPC1313/43 LQFP48 pin description table …continued

Symbol

Type

Description

Table 4.

LPC1311/13/42/43 HVQFN33 pin description table

Symbol

Type

Description

RESET/PIO0_0

2[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.

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