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LPC1837JET256 Datasheet(PDF) 3 Page - NXP Semiconductors |
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LPC1837JET256 Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 147 page LPC185X_3X_2X_1X All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Preliminary data sheet Rev. 4 — 31 October 2012 3 of 147 NXP Semiconductors LPC185x/3x/2x/1x 32-bit ARM Cortex-M3 microcontroller 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. Event recorder with three inputs to record event identification and event time; can be battery powered. 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 analog channels total. Each analog input is connected to both ADCs. 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 in LQFP208, LBGA256, LQFP144, and TFBGA100 packages. 3. Applications Industrial RFID readers Consumer e-Metering White goods |
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