NXP Kinetis KL3 series 32-bit ARM Cortex-M0+ MCU, 48 MHz, 64 KB Flash, 8 KB RAM, 70 I/O, 20x16-bit ADC, 1x12-bit DAC, segment LCD controller, -40°C to 105°C, 80-LQFP.
| Parameter | Value |
|---|---|
| Series | Kinetis KL3 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.71V ~ 3.6V |
| Operating temperature | -40°C~105°C(TA) |
| Speed | 48MHz |
| Package | Tube |
| RAM size | 8K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | DMA, LCD, PWM, WDT |
| Connectivity | FlexIO, I²C, IrDA, SPI, UART/USART |
| Number of i (O) | 70 |
| Core processor | ARM® Cortex®-M0+ |
| Case | 80-LQFP |
| Data converters | A/D 20x16b; D/A 1x12b |
| Program memory size | 64KB (64K x 8) |
The NXP MKL33Z64VLK4 is a 32-bit ARM Cortex-M0+ MCU from the Kinetis KL3 series, clocked at 48 MHz with 64 KB Flash and 8 KB RAM.
48 MHz is the core ceiling.
The core processor runs at 48 MHz. That is the ARM Cortex-M0+ clock ceiling — enough for segment LCD updates, sensor polling, and Modbus RTU communication without pushing the timing budget.
It is rated for -40°C to 105°C — industrial grade. Suitable for outdoor telecom enclosures, engine-bay-adjacent controllers, and factory-floor HMI panels where ambient temperatures can spike.
Yes. It has a 20-channel 16-bit ADC and a single 12-bit DAC on-chip. The ADC can sample multiple analog sensor inputs without an external mux; the DAC provides one analog output for setpoint or signal generation.