LPC1313 datasheet(11/53 Pages) NXP

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LPC1311_13_42_43_1

Product data sheet

Rev. 01 — 11 December 2009

11 of 53

NXP Semiconductors

LPC1311/13/42/43

32-bit ARM Cortex-M3 microcontroller

[1]

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

[2]

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

[3]

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.

[4]

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

only).

[5]

Tie together VDD(3V3) and VDD(IO) externally. If separate supplies are used for VDD(3V3) and VDD(IO), ensure that the voltage difference

between both supplies is smaller than or equal to 0.5 V.

[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[1]

I/O

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

PIO2_5

21[1]

I/O

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

PIO2_5

20[1]

I/O

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

PIO2_6

1[1]

I/O

PIO2_6 — General purpose digital input/output pin.

PIO2_7

11[1]

I/O

PIO2_7 — General purpose digital input/output pin.

PIO2_8

12[1]

I/O

PIO2_8 — General purpose digital input/output pin.

PIO2_9

24[1]

I/O

PIO2_9 — General purpose digital input/output pin.

PIO2_10

25[1]

I/O

PIO2_10 — General purpose digital input/output pin.

PIO2_11/SCK

31[1]

I/O

PIO2_11 — General purpose digital input/output pin.

I/O

SCK — Serial clock for SSP.

PIO3_0

36[1]

I/O

PIO3_0 — General purpose digital input/output pin.

PIO3_1

37[1]

I/O

PIO3_1 — General purpose digital input/output pin.

PIO3_2

43[1]

I/O

PIO3_2 — General purpose digital input/output pin.

PIO3_3

48[1]

I/O

PIO3_3 — General purpose digital input/output pin.

PIO3_4

18[1]

I/O

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

PIO3_5

21[1]

I/O

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

USB_DM

19[4]

I/O

USB_DM — USB bidirectional D

− line (LPC1343 only).

USB_DP

20[4]

I/O

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

VDD(IO)

8[5]

3.3 V input/output supply voltage.

VDD(3V3)

44[5]

3.3 V supply voltage to the internal regulator and the ADC. Also used as the

ADC reference voltage.

VSSIO

Ground.

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

Ground.

Table 3.

LPC1313/43 LQFP48 pin description table …continued

Symbol

Type

Description

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