The LPC1768 is a Cortex-M3 microcontroller for embedded applications featuring a high level of integration and low power consumption at frequencies of 100 MHz. Features include 512 kB of flash memory, 64 kB of data memory, Ethernet MAC, USB Device/Host/OTG, 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, Quadrature Encoder interface, 4 general purpose timers, 6-output general purpose PWM, ultra-low power Real-Time Clock with separate battery supply, and up to 70 general purpose I/O pins. The LPC1768 is pin-compatible to the 100-pin LPC2368 ARM7 MCU
Features:
- ARM Cortex-M3 processor, running at frequencies of up to 100 MHz
- ARM Cortex-M3 built-in Nested Vectored Interrupt Controller (NVIC)
- Up to 512 kB on-chip flash programming memory
- Up to 64 kB On-chip SRAM
- In-System Programming (ISP) and In-Application Programming (IAP)
- Eight channel General Purpose DMA controller (GPDMA)
- Ethernet MAC with RMII interface and dedicated DMA controller
- USB 2.0 full-speed device/Host/OTG controller
- Four UARTs with fractional baud rate generation, internal FIFO, and DMA support
- CAN 2.0B controller with two channels
- SPI controller with synchronous, serial, full duplex communication
- Two SSP controllers with FIFO and multi-protocol capabilities
- Three enhanced I2C bus interfaces
- I2S (Inter-IC Sound) interface
- 70 General Purpose I/O (GPIO) pins with configurable pull-up/down resistors
- 12-bit/8-ch Analog/Digital Converter (ADC) with conversion rates up to 200 kHz
- 10-bit Digital/Analog Converter (DAC) with dedicated conversion timer and DMA
- Four general purpose timers/counters
- One motor control PWM with support for three-phase motor control
- Quadrature encoder interface that can monitor one external quadrature encoder
- One standard PWM/timer block with external count input
- Low power RTC with a separate power domain and dedicated oscillator
- WatchDog Timer (WDT)
- ARM Cortex-M3 system tick timer, including an external clock input option
- Repetitive interrupt timer provides programmable and repeating timed interrupts
- Each peripheral has its own clock divider for further power savings
- Standard JTAG test/debug interface for compatibility with existing tools
- Integrated PMU (Power Management Unit)
- Four reduced power modes: Sleep, Deep-sleep, Power-down, and Deep power-down
- Single 3.3 V power supply (2.4 V to 3.6 V)
- Four external interrupt inputs configurable as edge/level sensitive
- Non-maskable Interrupt (NMI) input
- 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
- Power-On Reset (POR)
- Crystal oscillator with an operating range of 1 MHz to 25 MHz
- 4 MHz internal RC oscillator trimmed to 1 % accuracy
- Code Read Protection (CRP) with different security levels
- Unique device serial number for identification purposes
Applications:
- - eMetering
- - Lighting
- - Industrial networking
- - Alarm systems
- - White goods
- - Motor control
