LPC18S50 datasheet(3/151 Pages) NXP

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LPC18S50_S30_S10

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Product data sheet

Rev. 1 — 23 February 2015

3 of 151

NXP Semiconductors

LPC18S50/S30/S10

32-bit ARM Cortex-M3 microcontroller

 Up to 164 General-Purpose Input/Output (GPIO) pins with configurable

pull-up/pull-down resistors.

 GPIO registers are located on the AHB for fast access. GPIO ports have DMA

support.

 Up to eight GPIO pins can be selected from all GPIO pins as edge and level

sensitive interrupt sources.

 Two GPIO group interrupt modules enable an interrupt based on a programmable

pattern of input states of a group of GPIO pins.

 Four general-purpose timer/counters with capture and match capabilities.

 One motor control PWM for three-phase motor control.

 One Quadrature Encoder Interface (QEI).

 Repetitive Interrupt timer (RI timer).

 Windowed watchdog timer.

 Ultra-low power Real-Time Clock (RTC) on separate power domain with 256 bytes

of battery powered backup registers.

 Alarm timer; can be battery powered.

 Analog peripherals:

 One 10-bit DAC with DMA support and a data conversion rate of 400 kSamples/s.

 Two 10-bit ADCs with DMA support and a data conversion rate of 400 kSamples/s.

Up to eight input channels per ADC.

 Unique ID for each device.

 Power:

 Single 3.3 V (2.2 V to 3.6 V) power supply with on-chip internal voltage regulator for

the core supply and the RTC power domain.

 RTC power domain can be powered separately by a 3 V battery supply.

 Four reduced power modes: Sleep, Deep-sleep, Power-down, and Deep

power-down.

 Processor wake-up from Sleep mode via wake-up interrupts from various

peripherals.

 Wake-up from Deep-sleep, Power-down, and Deep power-down modes via

external interrupts and interrupts generated by battery powered blocks in the RTC

power domain.

 Brownout detect with four separate thresholds for interrupt and forced reset.

 Power-On Reset (POR).

 Available as 144-pin LQFP packages and as 256-pin, 180-pin, and 100-pin BGA

packages.

Applications

 Communication hubs

 Embedded audio applications

 Automotive aftermarket

 Industrial control

 Power management

 Industrial automation

 Consumer health devices

 white goods

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