NXP 恩智浦Kinetis KL33: 48MHz Arm? Cortex?-M0+ up to 64KB Flash (48-80 pin)
Kinetis KL33: 48MHz Cortex-M0+ up to 64KB Flash (48-80 pin) Kinetis KL33 Microcontroller 48 MHz ARM? Cortex?-M0+ and 64 KB Flash The KL33 series is optimized for cost-sensitive and battery- powered