LPC11U23FBD48

32-bit ARM Cortex-M0 microcontroller; up to 24 kB flash; up to 8 kB SRAM and 1 kB EEPROM; USB device; USART


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The LPC11U23FBD48 is a ARM Cortex-M0 based, low-cost 32-bit MCU, designed for 8/16-bit microcontroller applications, offering performance, low power, simple instruction set and memory addressing together with reduced code size compared to existing 8/16-bit architectures. The LPC11U23FBD48 operates at CPU frequencies of up to 50 MHz. Equipped with a highly flexible and configurable Full-Speed USB 2.0 device controller, the LPC11U23FBD48 brings unparalleled design flexibility and seamless integration to today’s demanding connectivity solutions.

Features and benefits

  • ARM Cortex-M0 processor, running at frequencies of up to 50 MHz
  • ARM Cortex-M0 built-in Nested Vectored Interrupt Controller (NVIC)
  • Non-Maskable Interrupt (NMI) input selectable from several input sources
  • System tick timer
  • Up to 24 kB on-chip flash program memory
  • Up to 1 kB on-chip EEPROM data memory
  • Up to 8 kB SRAM data memory
  • 16 kB boot ROM
  • In-System Programming (ISP) and In-Application Programming (IAP)
  • ROM-based USB drivers. Flash updates via USB supported
  • ROM-based 32-bit integer division routines
  • Standard JTAG (Joint Test Action Group) test interface
  • Serial Wire Debug
  • Up to 40 General-Purpose I/O (GPIO) pins
  • Up to 8 GPIO pins can be selected as edge and level sensitive interrupt sources
  • Two GPIO grouped interrupt modules
  • High-current source output driver (20 mA) on one pin
  • High-current sink driver (20 mA) on true open-drain pins
  • Four general-purpose counter/timers
  • Programmable Windowed WatchDog Timer (WWDT)
  • 10-bit ADC with input multiplexing among eight pins
  • USB 2.0 full-speed device controller
  • USART (Universal Synchronous Asynchronous Receiver/Transmitter)
  • Two SSP (Synchronous Serial Port) controllers
  • I2C-bus interface supporting the full I2C-bus specification and Fast-mode Plus
  • Crystal Oscillator with an operating range of 1 MHz to 25 MHz
  • 12 MHz high-frequency Internal RC oscillator (IRC)
  • Internal low-power, low-frequency WatchDog Oscillator (WDO)
  • PLL allows CPU operation up to the maximum CPU rate
  • A second, dedicated PLL is provided for USB
  • Clock output function with divider
  • Integrated PMU (Power Management Unit)
  • Power profiles residing in boot ROM
  • Four reduced power modes
  • Processor wake-up
  • Power-On Reset (POR)
  • Brownout detect with four separate thresholds for interrupt and forced reset
  • Unique device serial number for identification
  • Single 3.3 V power supply (1.8 V to 3.6 V)
  • Temperature range -40 °C to +85 °C

Applications

  • Consumer peripherals
  • Medical
  • Industrial control
  • Industrial control
  • USB audio devices
All information on this product information page is subject to the subsequent disclaimers:
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Parametrics of this product

SymbolParameterConditionsMinTyp/NomMaxUnit
fmaxmaximum frequency50MHz
IDDsupply currentper supply pin [0]100mA
VDDsupply voltage [1]1.83.6V
VIinput voltage5 V tolerant I/O pins; only valid when the VDD supply voltage is present [2]-0.55.5V
Memory
Nbyte(on-chip)on-chip memoryFLASH24kB
Nbyte(on-chip)on-chip memoryRAM; USB SRAM2kB
Nbyte(on-chip)on-chip memoryEEPROM1kB
Nbyte(on-chip)on-chip memoryRAM6kB
Other peripherals
NioGPIO pins40
Serial interfaces
Nperinumber of peripheralsI²C; fbit = 1 Mbit/s1
Nperinumber of peripheralsUART; fbit < 3.125 Mbit/s1
Nperinumber of peripheralsUSB Device; fbit = 12 Mbit/s1
Nperinumber of peripheralsUSB1
Nperinumber of peripheralsSPI2
Analog
Nperinumber of peripheralsADC Channels; Nbit = 10 bit8
Timers
Nperinumber of peripheralsWDT1
Nperinumber of peripheralsTIM4

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Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
LPC11U23FBD48/301LPC11U23FBD48/301,9352 970 65151Volume productionSOT313-2
(LQFP48) 		Tray Pack, Bakeable, SingleStandard Marking

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
LPC11U23FBD48/301LPC11U23FBD48/301,LPC11U23FBD48/301Always Pb-free11
Quality and reliability disclaimer

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Documentation for this product

TypeFormatTitleDate
Data sheetpdf32-bit ARM Cortex-M0 microcontroller; up to 32 kB flash; up to 10 kB SRAM and 4 kB EEPROM; USB device; USART (v.2.1)2012-01-13
Errata sheetpdfErrata sheet LPC11U2x (v.1.0)2012-01-19
SoftwarezipAN11115 - USB Audio and USB CDC with FFT for LPC11U14 (v.1.0)2011-10-13
User manualpdfLPC11U1x User manual (v.2.1)2012-01-18

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
LPC11U23FBD48/3019352 970 65151LPC11U23FBD48/301,NADIGI-KEY CORPORATION2505/24/2012Buy online 
   NANEWARK/ELEMENT14135/24/2012Buy online 
   EUFARNELL135/24/2012Buy online 
   ASIAELEMENT14 APAC135/24/2012Buy online 

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