180 MHz Cortex-M4 with 2 MB Flash — the high-end STM32F4 workhorse
The STM32F429ZIT6TR: It packs 2 MB of on-chip Flash and 256K x 8 of SRAM, making it one of the densest Flash parts in the family — sized for firmware images that include a full GUI stack, Ethernet TCP/IP, or a CANopen node with bootloader and OTA staging. The 144-LQFP package (20x20 mm) exposes 114 I/O, including an LCD parallel interface, Ethernet MAC, dual CAN, and USB OTG FS/HS. The peripheral set — DMA, I²S, PWM, and multiple serial interfaces — targets industrial HMIs, motor-drive control panels, and networked gateways that need a single-chip solution.
Ethernet, CAN, and LCD — what the connectivity means for the BOM
The integrated Ethernet MAC with dedicated DMA and SMI interface eliminates an external MAC-PHY bridge. The LCD controller supports up to 24-bit parallel RGB. Dual CAN 2.0B ports suit industrial and automotive-adjacent applications where the MCU bridges a CAN bus to Ethernet or USB.
The ROHS3 compliance covers EU RoHS requirements through the latest exemption updates.
Package and temperature — design-in checklist
The 144-LQFP (20x20 mm) is a standard QFP that reflows on any leaded-profile oven. No exposed pad — thermal dissipation relies on the leadframe and board copper. The internal oscillator trims to 1% accuracy, but the PLL at 180 MHz needs a clean external clock or crystal for Ethernet timing compliance.
The STM32F429ZIT6TR is an active, production-current MCU with broad distribution availability. We source this line through multiple authorized and independent channels, quoting firm pricing and lead time against an RFQ.