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NXP USA Inc. LPC11E66JBD48551 — Microcontrollers & Processors (MCU / MPU / DSP)

NXP LPC11E66JBD48551 ARM Cortex-M0+ MCU, 50 MHz, 64 KB Flash

MPNLPC11E66JBD48551
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NXP LPC11Exx series 32-bit ARM Cortex-M0+ MCU, 50 MHz, 64 KB Flash, 12 KB SRAM, 4 KB EEPROM, 48-LQFP, -40 to 105°C.

NXP USA Inc. LPC11E66JBD48551 datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LPC11E66JBD48551 specifications
ParameterValue
SeriesLPC11Exx
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))2.4V ~ 3.6V
Operating temperature-40°C~105°C(TA)
Speed50MHz
PackageBulk
RAM size12K x 8
Core size32-Bit Single-Core
EEPROM size4K x 8
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
ConnectivityI²C, Microwire, SPI, SSI, SSP, UART/USART
Number of i (O)36
Core processorARM® Cortex®-M0+
Case48-LQFP
Data convertersA/D 8x12b
Program memory size64KB (64K x 8)

Product details

The NXP LPC11E66JBD48551 is a 32-bit ARM Cortex-M0+ microcontroller from the LPC11Exx series, clocked at 50 MHz with 64 KB of Flash program memory and 12 KB of SRAM. It also integrates 4 KB of EEPROM for non-volatile parameter storage, plus an 8-channel 12-bit ADC. The 48-LQFP package with 36 I/Os and a 2.4 V to 3.6 V supply range makes it a fit for industrial control, sensor aggregation, and human-machine interface panels where moderate throughput and a hand-solderable footprint are priorities.

On-chip peripherals and connectivity

Connectivity covers I²C, SPI, SSI, SSP, and UART/USART, so it can talk to common sensors, displays, and serial memories. The 8-channel 12-bit ADC handles analog inputs like potentiometers, thermistors, or current-sense resistors without an external converter.

Frequently asked questions

What is the closest pin-compatible alternative to LPC11E66JBD48551?

Within the LPC11Exx series, pin-compatible variants differ by Flash and SRAM density. The LPC11E66JBD48551 sits at the 64 KB Flash / 12 KB SRAM tier; lower-density siblings (e.g., 32 KB Flash) share the same 48-LQFP footprint and peripheral set, allowing a drop-in swap if firmware fits.

What is LPC11E66JBD48551's listed speed?

The core runs at 50 MHz, which is the maximum clock for this Cortex-M0+ implementation in the LPC11Exx series.

What is the series for LPC11E66JBD48551?

It belongs to the LPC11Exx series of 32-bit ARM Cortex-M0+ microcontrollers from NXP.

What compliance documentation is available for LPC11E66JBD48551?

The part is listed with a base product number LPC11 and is available with RoHS compliance documentation from NXP. Specific REACH, UL, or IEC certificates should be verified against the manufacturer's documentation portal.