Tuesday, July 17, 2012

LPC1769FBD100,551 chip

LPC1769FBD100,551 Cortex-M3 with 512 kB flash, 64 kB SRAM, Ethernet, USB 2.0 Device/Host/OTG, 12-bit ADC, DAC, I2S

The LPC1769 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 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 LPC1769 is pin-compatible to the 100-pin LPC2368 ARM7 MCU

Features and benefits

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


  • eMetering
  • Lighting
  • Industrial networking
  • Alarm systems
  • White goods
  • Motor control