LPC1850 datasheet(3/157 Pages) PHILIPS

3 / 157 page

LPC1850_30_20_10

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Preliminary data sheet

Rev. 3 — 6 December 2011

3 of 157

NXP Semiconductors

LPC1850/30/20/10

32-bit ARM Cortex-M3 microcontroller

 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.

 Security:

 Hardware-based AES security engine programmable through an on-chip API.

 Two 128-bit secure OTP memories for AES key storage and customer use.

 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 208-pin, 144-pin, and 100-pin LQFP packages and as 256-pin, 180-pin,

and 100-pin BGA packages.

Applications

 Industrial

 RFID readers

 Consumer

 e-Metering

 White goods

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