BlueCore6 QFN 规格： Features ■ Fully qualified Bluetooth® v2.1 + EDR specification ■ Piconet and scatternet support ■ Minimum external components ■ Low-power 1.5V operation, 1.8V to 3.6V I/O ■ Integrated 1.8V and 1.5V regulators ■ UA