DA14580 DA14583 ARM M0 CPU XTAL16M RADIO Digital PHY BLE 4.2 MAC Ready XTAL32K RC32KHz RC16KHz RCX DCDC BUCK DCDC BOOST ROM 84 kB LDOs QDEC ADC SWD WAKEUP 键盘 UARTx2 SPI I2C OTP 32 kB FLASH 1Mb (only on DA14583) RAM 42 kB 保留 RAM 8 kB GPIO矩阵 TIMERS