LPC1774FBD144,551

NXP  LPC1774FBD144,551  微控制器, 32位, ARM 皮质-M3, 120 MHz, 128 KB, 40 KB, 144 引脚, LQFP

Overview

The LPC1774 is a Cortex-M3 microcontroller for embedded applications featuring a high level of integration and low power consumption at frequencies of 120 MHz. Features include 128 kB of flash memory, 40 kB of data memory, USB 2.0 Device , 8-channel DMA controller, 4 UARTs, 2 CAN channels, 3 SSP/SPI, 3 I2C, I2S, 8-channel 12-bit ADC, 10-bit DAC, motor control PWM, 4 general purpose timers, 6-output general purpose PWM, ultra-low power Real-Time Clock with separate battery supply, and up to 109 general purpose I/O pins.

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## Features

* Functional replacement for LPC23xx and 24xx family devices

* ARM Cortex-M3 processor, running at frequencies of up to 120 MHz

* ARM Cortex-M3 built-in Nested Vectored Interrupt Controller NVIC

* Multilayer AHB matrix interconnect provides a separate bus for each AHB master

* Split APB bus allows for higher throughput

* Cortex-M3 system tick timer, including an external clock input option

* Standard JTAG test/debug interface, Serial Wire Debug and Serial WireTrace Port

* Emulation trace module supports real-time trace

* Boundary scan for simplified board testing

* Non-maskable Interrupt NMI input

* 128 kB on-chip flash program memory

* 40 kB on-chip SRAM

* 2 kB on-chip EEPROM

* In-System Programming ISP and In-Application Programming IAP capabilities

* External Memory Controller EMC

* Eight channel General Purpose DMA controller GPDMA

* USB 2.0 full-speed dual port device controller with on-chip PHY and DMA

* Four UARTs with fractional baud rate generation

* Three SSP controllers with FIFO and multi-protocol capabilities

* Three enhanced I2C-bus interfaces

* I2S Inter-IC Sound interface for digital audio input or output

* CAN controller with two channels

* Up to 109 General Purpose I/O GPIO pins

* Two external interrupt inputs configurable as edge/level sensitive

* Four general purpose timers/counters

* Two standard PWM/timer blocks with external count input option

* Real-Time Clock RTC with a separate power domain

* Windowed Watchdog Timer WWDT

* CRC Engine block

* 12-bit Analog-to-Digital Converter ADC with conversion rates up to 400 kHz

* 10-bit Digital-to-Analog Converter DAC

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

* Wake-up Interrupt Controller WIC

* Processor wake-up from Power-down mode via any interrupt

* Brownout detect with separate threshold for interrupt and forced reset

* On-chip Power-On Reset POR

* On-chip crystal oscillator with an operating range of 1 MHz to 25 MHz

* 12 MHz Internal RC oscillator IRC trimmed to 1% accuracy

* Unique device serial number for identification purposes

* Single 3.3 V power supply 2.4 V to 3.6 V

## Target Applications

* eMetering

* Lighting

* Industrial networking

* Alarm systems

* White goods

* Motor control

## Features