LPC4370 datasheet(53/150 Pages) NXP

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LPC4370

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Product data sheet

Rev. 2 — 21 October 2013

53 of 150

NXP Semiconductors

LPC4370

32-bit ARM Cortex-M4/M0 microcontroller

TCK/SWDCLK

[3]

I; F

Test Clock for JTAG interface (default) or Serial Wire (SW) clock.

TRST

[3]

I; PU I

Test Reset for JTAG interface.

TMS/SWDIO

[3]

I; PU I

Test Mode Select for JTAG interface (default) or SW debug data

input/output.

TDO/SWO

[3]

Test Data Out for JTAG interface (default) or SW trace output.

TDI

[3]

I; PU I

Test Data In for JTAG interface.

USB0 pins

USB0_DP

[7]

I/O

USB0 bidirectional D+ line.

USB0_DM

[7]

I/O

USB0 bidirectional D

 line.

USB0_VBUS

[7]

[8]

I/O

VBUS pin (power on USB cable). This pin includes an internal pull-down

resistor of 64 k

 (typical)  16 k.

USB0_ID

[9]

Indicates to the transceiver whether connected as an A-device (USB0_ID

LOW) or B-device (USB0_ID HIGH). For OTG this pin has an internal pull-up

resistor.

USB0_RREF

[9]

12.0 k

 (accuracy 1 %) on-board resistor to ground for current reference.

USB1 pins

USB1_DP

F12

[10]

I/O

USB1 bidirectional D+ line.

USB1_DM

G12

E10

[10]

I/O

USB1 bidirectional D

 line.

I2C-bus pins

I2C0_SCL

L15

[11]

I; F

I/O

I2C clock input/output. Open-drain output (for I2C-bus compliance).

I2C0_SDA

L16

[11]

I; F

I/O

I2C data input/output. Open-drain output (for I2C-bus compliance).

Reset and wake-up pins

RESET

[12]

I; IA

External reset input: A LOW-going pulse as short as 50 ns 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.

WAKEUP0

[12]

I; IA

External wake-up input; can raise an interrupt and can cause wake-up from

any of the low power modes.

WAKEUP1

A10

[12]

I; IA

External wake-up input; can raise an interrupt and can cause wake-up from

any of the low power modes.

WAKEUP2

[12]

I; IA

External wake-up input; can raise an interrupt and can cause wake-up from

any of the low power modes.

WAKEUP3

[12]

I; IA

External wake-up input; can raise an interrupt and can cause wake-up from

any of the low power modes.

Table 3.

Pin description …continued

LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.

Symbol

Description

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