LPC4322JBD144E

NXP USA Inc.

NXP LPC43xx series, 32-Bit Dual-Core MCU, ARM Cortex-M4/M0, 204MHz, 512KB Flash, 104K x 8 RAM, 16K x 8 EEPROM, 83 I/O, CANbus, USB OTG, EBI/EMI, 144-LQFP, -40°C ~ 105°C, 2.2V ~ 3.6V.

NXP USA Inc. LPC4322JBD144E
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Technical specifications

LPC4322JBD144E specifications
Parameter / AttributeSpecification / Value
SeriesLPC43xx
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))2.2V ~ 3.6V
Operating temperature-40°C ~ 105°C (TA)
Speed204MHz
PackageTray
RAM size104K x 8
Core size32-Bit Dual-Core
EEPROM size16K x 8
PeripheralsBrown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT
ConnectivityCANbus, EBI/EMI, I²C, IrDA, Microwire, SD, SPI, SSI, SSP, UART/USART, USB, USB OTG
Number of i (O)83
Core processorARM® Cortex®-M4/M0
Case144-LQFP
Data convertersA/D 8x10b; D/A 1x10b
Program memory size512KB (512K x 8)

Technical details

Dual-core MCU for industrial control and connectivity

The NXP LPC4322JBD144E is a 32-bit dual-core microcontroller built around an ARM Cortex-M4 and Cortex-M0, clocked at 204 MHz. The M4 core handles DSP-intensive tasks and real-time control loops, while the M0 offloads peripheral management or low-power background operations. With 512 KB of Flash, 104 KB of SRAM, and 16 KB of on-chip EEPROM, the memory map supports moderate firmware footprints and parameter storage without external memory in many designs. Operating from 2.2 V to 3.6 V across -40°C to 105°C, this MCU is rated for industrial environments such as motor drives, factory automation controllers, and outdoor telecom equipment.

The 104 KB SRAM is split across local and AHB buses; designs that need large frame buffers or double-buffered communication should budget carefully — the 16 KB EEPROM block is separate and better suited for calibration constants or boot parameters.

LPC4322JBD144E
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