180 MHz Cortex-M3 with Ethernet and CAN — what this MCU brings to a control board
The NXP LPC1830FBD144K is a 32-bit ARM Cortex-M3 microcontroller running at 180 MHz, part of the LPC18xx series. It carries 200K x 8 of on-chip RAM, no internal Flash (ROMless), and a rich peripheral set that includes Ethernet, CAN, USB OTG, and an external bus interface (EBI/EMI). The device is housed in a 144-LQFP package with 83 I/Os and operates over the industrial temperature range of -40°C to 85°C on a 2.2 V to 3.6 V supply. This MCU is designed for industrial control, networking gateways, and motor-drive applications where a combination of real-time processing, wired connectivity, and external memory expansion is required. The ROMless architecture means program code must reside in external Flash or SRAM, accessed via the EBI/EMI or SPI interfaces.
180 MHz core — what it means for the processing budget
The 180 MHz clock rate on this Cortex-M3 core provides enough throughput for protocol stacks (Ethernet TCP/IP, CANopen) and control loops without external cache. The 200K x 8 RAM supports moderate-sized buffers for Ethernet frames and data logging; designs that need larger code or data stores will use the EBI/EMI to attach external SDRAM or NOR Flash.
Connectivity set — Ethernet, CAN, USB OTG, and EBI/EMI
The LPC1830FBD144K includes an Ethernet MAC, two CAN controllers, USB OTG (Host/Device), and an external bus interface. This makes it a natural fit for a fieldbus gateway or a PLC CPU that needs to bridge Ethernet/IP to a CANopen or Modbus segment. The EBI/EMI can connect parallel NOR Flash, SRAM, or an LCD controller without an external bridge chip. The 83 I/Os, brown-out detect, POR, and watchdog timer handle power-on sequencing and fault monitoring.
Lifecycle and sourcing
The LPC1830FBD144K is listed as Active in production. Availability and pricing are confirmed at quote time.