LPC810M021FN8 datasheet(4/313 Pages) NXP

4 / 313 page

UM10601

All information provided in this document is subject to legal disclaimers.

Preliminary user manual

Rev. 1.0 — 7 November 2012

4 of 313

NXP Semiconductors

UM10601

Chapter 1: LPC800 Introductory information

–

CRC engine.

–

Windowed Watchdog timer

• Analog peripherals:

–

Comparator with external voltage reference with pin functions assigned through

the switch matrix.

–

Internal reference voltage.

• Serial interfaces:

–

Three UART interfaces with pin functions assigned through the switch matrix.

–

Two SPI controllers with pin functions assigned through the switch matrix.

–

One I2C-bus interface with open-drain full I2C spec fast Modeplus.

• Clock generation:

–

12 MHz internal RC oscillator trimmed to 1 % accuracy that can optionally be used

as a system clock.

–

Crystal oscillator with an operating range of 1 MHz to 25 MHz.

–

Programmable watchdog oscillator with a frequency range of 9.4 kHz to 2.3 MHz.

–

PLL allows CPU operation up to the maximum CPU rate without the need for a

high-frequency crystal. May be run from the external clock input (CLKIN), the

system oscillator, or the internal RC oscillator.

• Power control:

–

Integrated PMU (Power Management Unit) to minimize power consumption.

–

Reduced power modes (Sleep, deep-sleep, power-down, deep power-down).

–

Power-On Reset (POR).

–

Brownout detect.

• Unique device serial number for identification.

• Single power supply.

• Available in a SO20 package, TSSOP20 package, TSSOP16, and DIP8 package.

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