STM32F429ZIT6 — STM32F4 180MHz ARM Cortex-M4 MCU, 2MB Flash, 256KB RAM, 144-LQFP
STMicroelectronics STM32F4 series, 32-bit ARM Cortex-M4 single-core at 180MHz, 2MB Flash, 256KB SRAM, 114 I/O, Ethernet/CAN/SPI/USB OTG, -40 to 85°C, 1.8–3.6V, 144-LQFP tray.
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Specifications
| Parameter | Value |
|---|---|
| Series | STM32F4 |
| Mounting type | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 3.6V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 180MHz |
| Package | Tray |
| RAM size | 256K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT |
| Connectivity | CANbus, EBI/EMI, Ethernet, I²C, IrDA, LINbus, SPI, UART/USART, USB OTG |
| Number of i (O) | 114 |
| Core processor | ARM® Cortex®-M4 |
| Case | 144-LQFP |
| Data converters | A/D 24x12b; D/A 2x12b |
| Program memory size | 2MB (2M x 8) |
Frequently asked questions
What are the key ratings I need to check before ordering?
180MHz ARM Cortex-M4 with 2MB Flash and 256KB SRAM; 114 I/O; -40 to 85°C operating temperature; 1.8–3.6V supply; 144-LQFP in tray packaging. The 24-channel 12-bit ADC and dual 12-bit DAC handle the analog slice; Ethernet, CAN, SPI, I²C, USB OTG cover connectivity. Confirm the LCD pin multiplexing against your board schematic before ordering.
What should I check on the LCD and Ethernet pin assignment before replacing this part?
The on-chip LCD controller and Ethernet RMII interface both share remappable pins — the actual conflict depends on the pin assignment in the original board schematic. Verify the netlist against the STM32F429 pinmultiplexing table before assuming the replacement part maps to the same signals. If the LCD and Ethernet share pins on your board, you will need to re-route or lose one interface on the replacement MCU.