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STMicroelectronics STM32F412ZET6 — Microcontrollers & Processors (MCU / MPU / DSP)

STM32F412ZET6 STM32F4 ARM Cortex-M4 MCU, 100MHz, 512KB Flash

MPNSTM32F412ZET6
Active

STMicroelectronics STM32F4 series STM32F412ZET6, ARM Cortex-M4 32-bit Single-Core MCU, 100MHz, 512KB Flash, 256K x 8 RAM, 114 I/O, 144-LQFP, -40 to 85°C.

$12.0300Ref. price · indicative, final on quote
STMicroelectronics STM32F412ZET6 datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STM32F412ZET6 specifications
ParameterValue
SeriesSTM32F4
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.7V ~ 3.6V
Operating temperature-40°C~85°C(TA)
Speed100MHz
PackageTray
RAM size256K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT
ConnectivityCANbus, EBI/EMI, I²C, IrDA, LINbus, MMC/SD/SDIO, QSPI, SPI, UART/USART, USB OTG
Number of i (O)114
Core processorARM® Cortex®-M4
Case144-LQFP
Data convertersA/D 16x12b
Program memory size512KB (512K x 8)

Product details

The peripheral set includes CANbus, USB OTG, QSPI, multiple SPI/I²C/UART, and an LCD interface — enough connectivity for an HMI panel or industrial gateway without external bridge chips.

Flash wait-state budget at 100 MHz

At 100 MHz the Cortex-M4 core needs at least one flash wait state inserted before raising the clock above roughly 30 MHz. Bump the wait-state register to 1 in the system init routine or the first branch out of reset hard-faults. The 512 KB Flash is organised as 4 KB and 64 KB sectors — size the OTA staging area accordingly.

Brown-out detect and POR are integrated, so an external supervisor is optional unless you need a precise reset threshold.

144-LQFP footprint and layout notes

Decouple each VDD pair with a 100 nF ceramic close to the pin; a 4.7 µF bulk cap per supply region handles transient draw.

ST lists the STM32F412ZET6 as Active.

Frequently asked questions

What is the difference between STM32F412ZET6 and STM32F407ZET6?

The F412 trades top-end compute and Ethernet for lower power and a richer set of serial interfaces including QSPI and LCD controller. Package and pinout differ — they are not drop-in replacements.

Does STM32F412ZET6 have a built-in LCD controller?

Yes, the STM32F412ZET6 includes an LCD parallel interface peripheral as listed in its feature set. It drives small to medium TFT panels without an external display controller, though the 256 KB RAM limits frame buffer size — external SRAM or SDRAM may be needed for larger resolutions.