NXP Kinetis KL0 series, MKL04Z16VLF4, 32-bit ARM Cortex-M0+ at 48 MHz, 16 KB Flash, 2 KB SRAM, 41 I/O, I²C/SPI/UART, 14-channel 12-bit ADC, 1.71–3.6 V, -40 to 105 °C, 48-LQFP tray.
| Parameter | Value |
|---|---|
| Series | Kinetis KL0 |
| 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 | Tray |
| RAM size | 2K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, LVD, POR, PWM, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of i (O) | 41 |
| Core processor | ARM® Cortex®-M0+ |
| Case | 48-LQFP |
| Data converters | A/D 14x12b |
| Program memory size | 16KB (16K x 8) |
The -40 to 105 °C rating covers outdoor telecom enclosures, factory-floor controllers, and under-hood automotive cabin modules.
It is available through both franchised and independent distribution. For a BOM freeze, this part is a stable line item; the Kinetis KL0 family has been in volume production for several years, so supply is mature.
The ARM Cortex-M0+ core runs at 48 MHz, which is the listed speed for this part.
Within the Kinetis KL0 family, the MKL04Z32VLF4 (32 KB Flash) is pin-compatible in the same 48-LQFP package — same core, same peripherals, same supply range, just double the Flash for firmware growth.