120 MHz Cortex-M4 with Ethernet and CAN — the industrial gateway MCU
Operating from 2.4 V to 3.6 V and rated for -40°C to 85°C, this part is built for factory-floor controllers, remote telemetry gateways, and HMI panels where Ethernet and CAN are mandatory and the board must survive unheated enclosures.
Connectivity and peripherals — what drives the BOM decision
Ethernet MAC with dedicated DMA and dual CAN controllers differentiate from LPC176x family, which lacks Ethernet and has one CAN. For designs needing both industrial Ethernet and CANopen on the same chip, LPC4078 eliminates an external bridge IC.
For volume commitments, request a factory lead-time quote — the 144-LQFP package is a standard NXP assembly line, so lead times typically track the broader LPC40xx family.
Integration — what the peripheral set means for layout
The Brown-out Detect/Reset, POR, and WDT are on-chip, so no external supervisor IC is needed for basic safety monitoring. The DMA engine offloads Ethernet and USB data movement from the Cortex-M4 core, keeping the 120 MHz bandwidth available for control loops rather than packet handling. The 8×12b ADC shares the same supply rail; keep the analog supply decoupled from the digital plane to avoid switching noise coupling into the 12-bit conversions. The single 10-bit DAC is unbuffered on output — follow the datasheet's load impedance guideline for settling time.