LPC2131FBD64

Single-chip 16/32-bit microcontrollers; 32/64/128/256/512 kB ISP/IAP flash with 10-bit ADC and DAC


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The LPC2131/32/34/36/38 microcontrollers are based on a 16/32-bit ARM7TDMI-S CPU with real-time emulation and embedded trace support, that combine the microcontroller with 32 kB, 64 kB, 128 kB, 256 kB and 512 kB of embedded high-speed flash memory. A 128-bit wide memory interface and a unique accelerator architecture enable 32-bit code execution at maximum clock rate. For critical code size applications, the alternative 16-bit Thumb mode reduces code by more than 30 % with minimal performance penalty.

Due to their tiny size and low power consumption, these microcontrollers are ideal for applications where miniaturization is a key requirement, such as access control and point-of-sale. With a wide range of serial communications interfaces and on-chip SRAM options of 8 kB, 16 kB, and 32 kB, they are very well suited for communication gateways and protocol converters, soft modems, voice recognition and low-end imaging, providing both large buffer size and high processing power. Various 32-bit timers, single or dual 10-bit 8-channel ADC(s), 10-bit DAC, PWM channels and 47 GPIO lines with up to nine edge or level sensitive external interrupt pins make these microcontrollers particularly suitable for industrial control and medical systems.

Features and benefits

2.1 Enhancements brought by LPC213x/01 devices

  • Fast GPIO ports enable port pin toggling up to 3.5 times faster than the original LPC213x. They also allow for a port pin to be read at any time regardless of its function.
  • Dedicated result registers for ADC(s) reduce interrupt overhead.
  • UART0/1 include fractional baud rate generator, auto-bauding capabilities and handshake flow-control fully implemented in hardware.
  • Additional BOD control enables further reduction of power consumption.

2.2 Key features common for LPC213x and LPC213x/01

  • 16/32-bit ARM7TDMI-S microcontroller in a tiny LQFP64 or HVQFN64 package.
  • 8/16/32 kB of on-chip static RAM and 32/64/128/256/512 kB of on-chip flash program memory. 128-bit wide interface/accelerator enables high-speed 60 MHz operation.
  • In-System Programming/In-Application Programming (ISP/IAP) via on-chip bootloader software. Single flash sector or full chip erase in 400 ms and programming of 256 B in 1 ms.
  • EmbeddedICE RT and Embedded Trace interfaces offer real-time debugging with the on-chip RealMonitor software and high-speed tracing of instruction execution.
  • One (LPC2131/32) or two (LPC2134/36/38) 8-channel 10-bit ADCs provide a total of up to 16 analog inputs, with conversion times as low as 2.44 µs per channel.
  • Single 10-bit DAC provides variable analog output (LPC2132/34/36/38).
  • Two 32-bit timers/external event counters (with four capture and four compare channels each), PWM unit (six outputs) and watchdog.
  • Low power Real-time clock with independent power and dedicated 32 kHz clock input.
  • Multiple serial interfaces including two UARTs (16C550), two Fast I²C-bus (400 kbit/s), SPI and SSP with buffering and variable data length capabilities.
  • Vectored interrupt controller with configurable priorities and vector addresses.
  • Up to forty-seven 5 V tolerant general purpose I/O pins in tiny LQFP64 or HVQFN package.
  • Up to nine edge or level sensitive external interrupt pins available.
  • 60 MHz maximum CPU clock available from programmable on-chip PLL with settling time of 100 µs.
  • On-chip integrated oscillator operates with external crystal in range of 1 MHz to 30 MHz and with external oscillator up to 50 MHz.
  • Power saving modes include Idle and Power-down.
  • Individual enable/disable of peripheral functions as well as peripheral clock scaling down for additional power optimization.
  • Processor wake-up from Power-down mode via external interrupt or BOD.
  • Single power supply chip with POR and BOD circuits:
    • CPU operating voltage range of 3.0 V to 3.6 V (3.3 V ± 10 %) with 5 V tolerant I/O pads.
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

Block diagram: LPC2131FBD64, LPC2132FBD64, LPC2132FHN64, LPC2134FBD64, LPC2136FBD64, LPC2138FBD64, LPC2138FHN64
Block diagram: LPC2131FBD64, LPC2132FBD64, LPC2132FHN64, LPC2134FBD64, LPC2136FBD64, LPC2138FBD64, LPC2138FHN64

Demo boards

OM10045OM10045

Keil LPC213x Evaluation Board (very good)


Parametrics of this product

Type numberPackageProduct statusfmax [max](MHz)FLASH(kB)RAM(kB)I/O pinsCANUARTSPIADCTimersPWMPackage nameCPU supply voltage(V)Product description
LPC2131FBD64SOT314-2
(LQFP64)		Production6032847021836LQFP643.3Single-chip 16/32-bit microcontrollers; 32/64/128/256/512 kB ISP/IAP flash with 10-bit ADC and DAC

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
LPC2131FBD64/01LPC2131FBD64/01,159352 817 71151Volume productionSOT314-2
(LQFP64) 		Tray Pack, Bakeable, SingleStandard Marking
LPC2131FBD64/01LPC2131FBD64/01,119352 817 71118Volume productionSOT314-2
(LQFP64) 		Reel Pack, SMD, 13"Standard Marking

The variants in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
LPC2131FBD64/CP3259LPC2131FBD64/CP3259352 881 15151Withdrawn
Replacement product		SOT314-2
(LQFP64) 		Tray Pack, Bakeable, SingleStandard Marking
LPC2131FBD64LPC2131FBD64,1519352 784 93151Withdrawn
Replacement product		SOT314-2
(LQFP64) 		Tray Pack, Bakeable, SingleStandard Marking

Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
LPC2131FBD64/CP325993528811515130-jan-1031-mei-10LPC2131FBD64/01DN 65
  • Customer specific product
  • Limited availability (check with your usual sales contact)
Limited Availability.
LPC2131FBD6493527849315130-Sep-0831-Dec-08LPC2131FBD64/01DN 60
  • Sole source product
  • Standard availability
Standard End of Life. See Replacement.

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
LPC2131FBD64/01LPC2131FBD64/01,15LPC2131FBD64/01Always Pb-free2.842.5839793281653747E811
LPC2131FBD64/01LPC2131FBD64/01,11LPC2131FBD64/01Always Pb-free2.842.5839793281653747E811

The variants in the table below are discontinued. See the table Discontinuation information at the bottom of this page for more information.

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
LPC2131FBD64/CP3259LPC2131FBD64/CP325Not availableAlways Pb-free2.842.5839793281653747E811
LPC2131FBD64LPC2131FBD64,151Not availableAlways Pb-free2.842.5839793281653747E811
Quality and reliability disclaimer

Quality and reliability disclaimer

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NXP Semiconductors is providing this data for your convenience only. Please note however that NO WARRANTY, REPRESENTATION, GUARANTEE OR LEGALLY BINDING PRODUCT DESCRIPTION is provided by publishing this informational data, nor does NXP Semiconductors acknowledge or accept any liability related thereto. The documentation and data on NXP Semiconductors products can be found in the data sheets as officially published by NXP Semiconductors. For all purchase of products from NXP Semiconductors the NXP Semiconductors' General Terms and Conditions of Commercial Sale will apply.

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Discontinuation information

Type numberOrdering code (12NC)Last-time buy dateLast-time delivery dateReplacement productDN NoticeStatusComments
LPC2131FBD64/CP325993528811515130-jan-1031-mei-10LPC2131FBD64/01DN 65
  • Customer specific product
  • Limited availability (check with your usual sales contact)
Limited Availability.
LPC2131FBD6493527849315130-Sep-0831-Dec-08LPC2131FBD64/01DN 60
  • Sole source product
  • Standard availability
Standard End of Life. See Replacement.

Documentation for this product

TypeFormatTitleDate
Data sheetpdfSingle-chip 16/32-bit microcontrollers; 32/64/128/256/512 kB ISP/IAP flash with 10-bit ADC and DAC (v.5.1)2011-07-29
Application notepdfUsing IAP for LPC2000 ARM devices (v.2.0)2004-10-25
Application notepdfNicheLite for LPC implementation notes (v.2.0)2009-07-16
Application notepdfMigrating to the LPC1700 series (v.1.0)2009-10-06
Application notepdfLPC2000 secondary bootloader for code update using IAP (v.1.0)2009-05-26
Application notepdfUsing the Philips LPC2000 Flash utility with the Keil MCB2100 and IAR LPC210x Kickstart evaluation boards (v.4.0)2010-02-16
Application notepdfEntering ISP mode from user code (v.3.0)2006-09-06
Application notepdfNesting of interrupts in the LPC2000 (v.1.0)2005-06-06
Application notepdfConnecting ethernet interface with LPC2000 (v.1.0)2007-02-09
Application notepdfInitialization code/hints for the LPC2000 family (v.1.0)2005-11-01
Application notepdfuC/OS-II Time Management in LPC2000 (v.2.0)2007-07-18
Application notepdfHandling of spurious interrupts in the LPC2000 (v.1.0)2006-01-04
Application notepdfPower management for LPC2138 (v.1.0)2006-01-06
Application notepdfMigrating to the LPC2300/2400 family (v.1.0)2007-02-05
Application notepdfRealizing an MP3 player with the LPC2148, using libmad and EFSL (v.1.0)2007-04-23
Application notepdfInterfacing NXP bridge IC with NXP ARM microcontroller (v.1.0)2007-02-26
Application notepdfBrushless DC motor control using the LPC2141 (v.1.0)2007-10-18
Application notepdfFull-duplex software UART for LPC2000 (v.1.0)2008-01-18
Application notepdfLPC2138 extreme power down application note (v.1.0)2006-12-15
Application notepdfUsing the RTC efficiently in the LPC213x (v.1.0)2005-06-06
BrochurepdfLooking for more 32-bit MCU options? Start here. (v.1.0)2009-04-01
BrochurepdfCreate smarter, more efficient white goods; An industry-leading portfolio of cost-effective, power-saving solutions for major home appliances (v.1.0)2008-06-01
Errata sheetpdfErrata sheet LPC2131/01 (v.2.1)2012-05-14
Errata sheetpdfErrata sheet LPC2131 (v.2.0)2011-03-15
Line cardpdfDevelopment Tools for ARM-based MCUs; Select from the Best in Support (v.1.0)2009-06-01
Other typezipAN10835 - LPC2000 series secondary bootloader source code (v.1.0)2009-05-27
Other typepdfLPC2xxx UART transmitter code example (v.1.0)2005-09-19
Other typepdfLPC2xxx SPI master code example (v.1.0)2006-01-20
Other typepdfLPC2000 EINT dual edge interrupts (v.1.0)2006-02-22
Other typepdfLPC2000 ADC code example (v.1.0)2006-03-27
Other typepdfLPC2000 I2C slave code example (v.1.0)2006-04-21
Other typezipLPC2000 SPI slave code example (v.1.0)2006-06-16
SoftwarezipAN11008 - Flash based non-volatile storage (v.1.0)2011-02-22
Technical notezipLPC21xx/22xx, 2104/5/6 revision defect (with software) (v.1.0)2008-10-13
User manualpdfLPC2131/2/4/6/8 User manual (v.4.0)2012-05-15

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
LPC2131FBD64/019352 817 71151LPC2131FBD64/01,15NAFUTURE ELECTRONICS3,1435/23/2012Buy online 
   EUFUTURE ELECTRONICS UK3,1435/23/2012Buy online 
   ASIAFUTURE ELECTRONICS- ASIA3,1435/23/2012Buy online 
   NADIGI-KEY CORPORATION1915/24/2012Buy online 
   NAAVNET EXPRESS1345/24/2012Buy online 
   ASIAELEMENT14 APAC435/24/2012Buy online 
   EUFARNELL175/24/2012Buy online 
   ASIAELEMENT14 APAC155/24/2012Buy online 
   NANEWARK/ELEMENT14135/24/2012Buy online 
   JAPANCHIP ONE STOPyes05/14/2012Buy online 
LPC2131FBD64/019352 817 71118LPC2131FBD64/01,11ASIAELEMENT14 APAC435/24/2012Buy onlinenot available
   EUFARNELL175/24/2012Buy online 
   ASIAELEMENT14 APAC155/24/2012Buy online 
   NANEWARK/ELEMENT14135/24/2012Buy online 

Sample

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If you do not have a direct account with NXP our network of global and regional distributors is available and equipped to support you with NXP samples. As a NXP customer you also have the option to order samples via our sales organisation.

Demo boards

OM10045
OM10045

Keil LPC213x Evaluation Board (very good)

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