NXP Kinetis KL02, ARM Cortex-M0+ 48 MHz, 16 KB Flash, 2 KB RAM, 1.71–3.6 V supply, 22 I/O, 12-bit ADC, I2C/SPI/USART, -40 to 105 °C, 24-QFN (4x4) exposed pad, Tray.
| Parameter | Value |
|---|---|
| Series | Kinetis KL02 |
| 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, LVD, POR, PWM, WDT |
| Connectivity | I²C, SPI, UART/USART |
| Number of i (O) | 22 |
| Core processor | ARM® Cortex®-M0+ |
| Case | 24-VFQFN Exposed Pad |
| Data converters | A/D 12x12b |
| Program memory size | 16KB (16K x 8) |
The 48 MHz core speed is the practical ceiling for this part. It handles UART polling, I²C sensor reads, and simple PID loops without timing pressure.
16 KB Flash and 2 KB RAM limit firmware to a modest bootloader plus one application image — no room for a full RTOS heap. The 22 general-purpose I/O lines, one 12-bit ADC (12-channel), and I²C/SPI/UART connectivity cover a typical sensor-to-gateway bridge or a brushless-DC commutation controller.
The ARM Cortex-M0+ core runs at 48 MHz, which is the maximum clock frequency for this device.
The part is listed with RoHS compliance as standard for NXP's Kinetis KL02 series. Full documentation (datasheet, application notes, PCN history) is provided by NXP.