LPC1756FBD80

Cortex-M3 with 256 kB flash, 32 kB SRAM, USB 2.0 Device/Host/OTG, CAN, 12-bit ADC, DAC, I2S


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The LPC1756 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 256 kB of flash memory, 32 kB of data memory, USB Device/Host/OTG, 8-channel DMA controller, 4 UARTs, 2 CAN channels, 2 SSP, 1 SPI, 2 I2C, I2S, 8-channel 12-bit ADC, 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 52 general purpose I/O pins.

Features and benefits

  • ARM Cortex-M3 processor, running at frequencies of up to 100 MHz
  • ARM Cortex-M3 built-in Nested Vectored Interrupt Controller (NVIC)
  • Up to 256 kB on-chip flash programming memory
  • Up to 32 kB of SRAM
  • In-System Programming (ISP) and In-Application Programming (IAP)
  • Eight channel General Purpose DMA controller (GPDMA)
  • Multilayer AHB matrix interconnect provides a separate bus for each AHB master
  • Split APB bus allows high throughput with few stalls between the CPU and DMA
  • USB 2.0 full-speed device/Host/OTG controller with dedicated DMA controller
  • Four UARTs with fractional baud rate generation
  • CAN 2.0B controller with two channels
  • SPI controller with synchronous, serial, full duplex communication
  • Two SSP controllers with FIFO and multi-protocol capabilities
  • Two I2C-bus interfaces supporting fast mode with a data rate of 400 kbit/s
  • I2S (Inter-IC Sound) interface for digital audio input or output
  • 52 General Purpose I/O (GPIO) pins with configurable pull-up/down resistors
  • 12-bit Analog-to-Digital Converter (ADC) with conversion rates up to 200 kHz
  • 10-bit Digital-to-Analog Converter (DAC)
  • 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
  • Real-Time Clock (RTC)
  • WatchDog Timer (WDT)
  • ARM Cortex-M3 system tick timer, including an external clock input option
  • Standard JTAG test/debug interface
  • Integrated PMU (Power Management Unit)
  • Four reduced power modes
  • Single 3.3 V power supply (2.4 V to 3.6 V)
  • One external interrupt input configurable as edge/level sensitive
  • Non-maskable Interrupt (NMI) input
  • Wakeup 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
  • PLL allows CPU operation up to the maximum CPU rate
  • USB PLL for added flexibility
  • 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
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

Block diagram: LPC1751FBD80, LPC1752FBD80, LPC1754FBD80, LPC1756FBD80, LPC1758FBD80
Block diagram: LPC1751FBD80, LPC1752FBD80, LPC1754FBD80, LPC1756FBD80, LPC1758FBD80

Parametrics of this product

SymbolParameterConditionsMinTyp/NomMaxUnit
fmaxmaximum frequency100MHz
Tambambient temperature-4085°C
Tstgstorage temperature-65150°C
VDD(IO)input/output supply voltage3.3V
Memory
Nbyte(on-chip)on-chip memoryFLASH256kB
Nbyte(on-chip)on-chip memoryRAM32kB
Other peripherals
NioI/O pins52
Nperinumber of peripheralsQEI1
Nperinumber of peripheralsUSB; fbit = 12 Mbit/s1
Timers
Nperinumber of peripheralsTIM4
Nperinumber of peripheralsPWM6
Nperinumber of peripheralsWDT1
Nperinumber of peripheralsRTC1
Serial interfaces
Nperinumber of peripheralsETH0
Nperinumber of peripheralsSPI; fbit ≤ 12.5 Mbit/s1
Nperinumber of peripheralsSSP2
Nperinumber of peripheralsI2C; fbit ≤ 400 kbit/s2
Nperinumber of peripheralsCAN2
Nperinumber of peripheralsI2S1
Nperinumber of peripheralsUART; fbit ≤ 6.25 Mbit/s4
Nperinumber of peripheralsUSB Device; fbit ≤ 12 Mbit/s1
Nperinumber of peripheralsUSB OTG; fbit ≤ 12 Mbit/s1
Nperinumber of peripheralsUSB Host; fbit ≤ 12 Mbit/s1
Analog
Nperinumber of peripheralsDAC; Nbit = 10 bit1
Nperinumber of peripheralsADC; Nbit = 12 bit6

Similar products

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
LPC1756FBD80LPC1756FBD80,5519352 886 06551Volume productionSOT315-1
(LQFP80) 		Tray Dry Pack, Bakeable, SingleStandard Marking

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
LPC1756FBD80LPC1756FBD80,551LPC1756FBD80Always Pb-free2.842.5839793281653747E822
Quality and reliability disclaimer

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Documentation for this product

TypeFormatTitleDate
Data sheetpdf32-bit ARM Cortex-M3 MCU; up to 512 kB flash and 64 kB SRAM with Ethernet, USB 2.0 Host/Device/OTG, CAN (v.7.0)2011-03-29
Application notepdfPCB layout guidelines for NXP MCUs in BGA packages (v.2.0)2011-04-22
Application notepdfMigrating to the LPC1700 series (v.1.0)2009-10-06
Application notepdfPorting uIP1.0 to LPC1700 (v.1.0)2009-06-30
Application notepdfLPC1700 RTC hardware auto calibration (v.1.0)2009-07-21
Application notepdfLPC1700 timer triggered memory to GPIO data transfer (v.1.0)2009-07-30
Application notepdfUsing Code Read Protection in LPC1700 (v.1.0)2009-07-28
Application notepdfLPC1700 Ethernet MII Management (MDIO) via software (v.1.0)2009-08-06
Application notepdfLPC1700 secondary USB bootloader (v.2.0)2010-09-27
Application notepdfIEC 60601-1-8 audible alert generator using the LPC1700 (v.1.0)2009-10-09
Application notepdfBLDC motor control with LPC1700 (v.1.0)2010-01-07
Application notezipAN10898 LPC1700 BLDC (v.1.0)2010-01-07
Application notepdfWakeup from Deep Sleep using the CANActivity interrupt (v.1.0)2010-03-05
Application notezipAN10918 - IEC60335 Class B library (with software) (v.1.0)2010-03-12
Application notepdfMemory to DAC data transfers using the LPC1700's DMA (v.1.0)2010-03-15
Application notepdfFAT library EFSL and FatFs port on NXP LPC1700 (v.2.0)2010-07-16
Application notezipDSP library for LPC1700 and LPC1300 (v.3.0)2012-05-16
Application notepdfUsing M3 DSP library filter functions (v.1.0)2010-05-26
Application notepdfDSP library for LPC1700 and LPC1300 (v.3.0)2010-06-28
Application notepdfDecoding DTMF tones using M3 DSP library FFT function (v.1.0)2010-06-28
Application notepdfLPC176x/175x 12-bit ADC design guidelines (v.1.0)2010-09-06
Application notezipAN10974 - LPC176x/175x 12-bit ADC design guidelines (v.1.0)2011-01-07
BrochurepdfLooking for more 32-bit MCU options? Start here. (v.1.0)2009-04-01
BrochurepdfCortex-M microcontroller brochure (v.2.0)2012-03-23
Errata sheetpdfErrata sheet LPC1759/58/56/54/52/51 (v.8.2)2012-05-15
LeafletpdfCortex-M3 based microcontrollers with Ethernet, USB, CAN and 12-bit ADC; 100 MHz, 32-bit Microcontrollers with Cortex-M3™ core, LPC1700 series (v.1.0)2009-02-01
LeafletpdfCortex-M3 based microcontrollers with Ethernet, USB, CAN and 12-bit ADC; 120 MHz, 32-bit Microcontrollers with Cortex-M3™ core, LPC1700 series (v.1.0)2011-01-27
Line cardpdfDevelopment Tools for ARM-based MCUs; Select from the Best in Support (v.1.0)2009-06-01
Other typezipAN10851 - CRP example source code (v.1.0)2009-07-24
Other typezipAN10859 - LPC1700 EasyWEB source code (v.1.0)2009-08-11
Other typezipAN10850 - LPC1700 GPIO DMA source code (v.1.0)2009-07-27
Other typezipAN10849 - LPC1700 RTC calibration source code and calculator (v.1.0)2009-07-17
Other typezipAN10845 uIP webserver source code (v.1.0)2009-07-01
Other typezipAN10866 - LPC1700 secondary USB bootloader source code (v.1.0)2009-08-31
Other typezipAN10908 - LPC1700 CANActivity wakeup with LPC2300 CAN generator (v.1.0)2010-03-17
Other typezipAN10917 - DMA-DAC uvision4 (v.1.0)2010-03-17
Other typezipAN10917 - DMA-DAC IAR (v.1.0)2010-03-17
SoftwarezipAN11008 - Flash based non-volatile storage (v.1.0)2011-02-22
SoftwarezipAN11053 - Ethernet throughput on the NXP ARM microcontrollers (v.1.0)2011-03-31
SoftwarezipAN10916 - FAT library EFSL and FatFs port on NXP LPC1700 (v.3.0)2011-05-18
SoftwarezipAN11071 - In-Application Programming for the LPC1700 (v.1.0)2011-05-18
SoftwarezipAN11070 - Accessing SDC/MMC card using SPI/SSP on LPC1700 (v.1.0)2011-06-10
SoftwarezipAN11095 - Capacitive touch sensing using the LPC176x/5x (v.1.1)2011-08-22
SoftwarezipAN11085 - Using Speex in NXP's LPC175x/6x MCU family (v.2.0)2012-03-14
SoftwarezipAN11178 - MP3 player solution on NXP LPC1700 series (v.1.0)2012-04-13
SoftwarezipAN10915 Using the LPC1700 power modes (v.1.0)2012-05-18
User manualpdfLPC17xx User manual (v.2.0)2010-08-20

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
LPC1756FBD809352 886 06551LPC1756FBD80,551NAARROW ELECTRONICS1,6665/24/2012Buy online 
   NADIGI-KEY CORPORATION1,3065/24/2012Buy online 
   ASIAWPI51111905/14/2012Buy online 
   NAFUTURE ELECTRONICS2665/23/2012Buy online 
   EUFUTURE ELECTRONICS UK2665/23/2012Buy online 
   ASIAFUTURE ELECTRONICS- ASIA2665/23/2012Buy online 
   NAAVNET EXPRESS1455/24/2012Buy online 
   ASIAELEMENT14 APAC1125/24/2012Buy online 
   EUFARNELL985/24/2012Buy online 
   ASIASACL - Hong Kong/Chinayes11905/01/2012Buy online 
   JAPANCHIP ONE STOPyes05/14/2012Buy online 

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