STMicroelectronics STM32F4 series STM32F405ZGT6V, ARM Cortex-M4 32-Bit Single-Core MCU, 168MHz, 1MB Flash, 192K x 8 RAM, 114 I/O, 144-LQFP, -40 to 85°C.
| Parameter | Value |
|---|---|
| Series | STM32F4 |
| Mounting | 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 | 168MHz |
| Package | Tray |
| RAM size | 192K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT |
| Connectivity | CANbus, EBI/EMI, 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 | 1MB (1M x 8) |
That core speed and the DSP instructions let it handle real-time motor-control FOC loops or audio processing without an external DSP. The 1 MB Flash and 192 KB SRAM give enough room for a full RTOS, TCP/IP stack, and a moderate application image — you are not squeezed for code space on a typical industrial controller or IoT gateway.
For production runs or BOM replenishment, the active status means no forced redesign horizon.
Within the STM32F4 series, the STM32F407ZGT6V is a pin-compatible upgrade that adds a hardware FPU (already present on the F405) and a cryptographic accelerator. Both share the same 144-LQFP footprint, 1 MB Flash, and 192 KB SRAM. The deciding factor is whether you need the crypto engine or the extra peripheral set of the F407.
The core processor runs at 168 MHz maximum.