The MKL03Z32VFG4 is a 32-bit ARM Cortex-M0+ MCU with a 48 MHz clock and 32 KB Flash. It includes I²C, SPI, and UART/USART connectivity. The supply voltage range is 1.71 V to 3.6 V.

NXP MKL03Z32VFG4 Kinetis KL03 MCU, ARM Cortex-M0+, 48 MHz, 32 KB Flash
MPNMKL03Z32VFG4
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NXP Kinetis KL03 series 32-bit ARM Cortex-M0+ MCU, MKL03Z32VFG4, 48 MHz, 32 KB Flash, 2 KB RAM, 14 I/O, I²C/SPI/UART, 7x12-bit ADC, 1.71 V to 3.6 V, -40°C to 105°C, 16-QFN (3x3 mm).
$3.2000Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Kinetis KL03 |
| 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) | 14 |
| Core processor | ARM® Cortex®-M0+ |
| Case | 16-UFQFN Exposed Pad |
| Data converters | A/D 7x12b |
| Program memory size | 32KB (32K x 8) |
Product details
Frequently asked questions
What is the flash memory size of MKL03Z32VFG4?
The MKL03Z32VFG4 has 32 KB of on-chip Flash program memory, organized as 32K x 8 bits.
What is the supply voltage range for MKL03Z32VFG4?
The supply voltage range (Vcc/Vdd) is 1.71 V to 3.6 V.
What is the maximum clock speed of MKL03Z32VFG4?
The maximum clock speed is 48 MHz.