MKW38A512VFT4 MKW38Z512VFT4 MKW37A512VFT4 MKW37Z512VFT4 48 "Wettable" HVQFN 7x7 mm Pitch 0.5 mm Multi-Standard Radio System peripherals * 2.4 GHz Bluetooth Low Energy (Bluetooth LE) version * Nine MCU low-power modes to provide power 5.0 compliant supporting up to 8 simultaneous optimization based on application requirements hardware connections and all optional features * DC-DC Converter supporting Buck and Bypass including: operating modes * High speed (2M PHY) * Direct Memory Access (DMA) controller * Long range * Computer Operating Properly (COP) watchdog * Advertising Extension * Serial Wire Debug (SWD) Interface and Micro Trace * High duty cycle non-connectable advertising buffer * Channel selection algorithm #2 * Bit Manipulation Engine (BME) * Typical Bluetooth LE Receiver Sensitivity Timers * Bluetooth LE 2 Mbit/s: -95.5 dBm * 16-bit Low-power Timer (LPTMR) * Bluetooth LE 1 Mbit/s: -98 dBm * 3 Timer/PWM Modules(TPM): One 4 channel TPM * Bluetooth LE LR 500 kbit/s: -101 dBm and two 2 chan