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NXP USA Inc. LPC11U34FBD48/421, — Microcontrollers & Processors (MCU / MPU / DSP)

NXP LPC11U34FBD48/421, ARM Cortex-M0 MCU 50MHz 48KB Flash 48-LQFP

MPNLPC11U34FBD48/421,
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NXP LPC11U34FBD48/421, ARM Cortex-M0 32-bit MCU, 50MHz, 48KB FLASH, 10KB RAM, 4KB EEPROM, USB full-speed device, 40 I/O, 1.8–3.6 V supply, -40°C to 85°C operating temperature, 48-LQFP (7×7 mm) surface-mount package.

$6.7500Ref. price · indicative, final on quote
Packaging48-LQFP
StockContact for availability
MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
  • Date & lot codes on quoteStated per line before you commit; label photos on request.
  • MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
  • PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.

Specifications

LPC11U34FBD48/421, Technical Specifications
ParameterValue
SeriesLPC11Uxx
Mounting typeSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.8V ~ 3.6V
Operating temperature-40°C ~ 85°C (TA)
Speed50MHz
PackageTray
RAM size10K x 8
Core size32-Bit Single-Core
EEPROM size4K x 8
PeripheralsBrown-out Detect/Reset, POR, WDT
ConnectivityI²C, Microwire, SmartCard, SPI, SSP, UART/USART, USB
Number of i (O)40
Core processorARM® Cortex®-M0
Case48-LQFP
Data convertersA/D 8x10b
Program memory size48KB (48K x 8)

Frequently asked questions

Does the internal oscillator handle 115200 baud reliably?

The internal RC oscillator is listed, but 115200 baud requires ±1.5% typical baud accuracy — the IRC trim and temperature drift need verifying against the datasheet before routing the UART without an external crystal, particularly on Profinet-class links.

Is the 48-LQFP pinout compatible with other 48-LQFP NXP LPC parts?

The 48-LQFP mechanical footprint is standard, but USB D+/D-, ADC channel assignment, and VREF pin functions vary by variant suffix. Confirm pin-1 orientation and pin-mux assignment against the /421 variant datasheet, not just the package outline.