LPC1774FBD208,551
LPC177 系列 32 位 96 kB RAM 512 kB ARM Cortex-M3 微控制器 - LQFP-208
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 165 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/host/OTG controller with on-chip PHY and DMA
* Five 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 165 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
