全新原装现货

features • core: arm® 32-bit cortex®-m0 cpu, frequency up to 48mhz • memories – 16 to 256 kbytes of flash memory – 4 to 32 kbytesof sram with hw parity • crc calculation unit • reset and powermanagement – digital & i/os supply: vdd = 2.4 v to 3.6 v – analogsupply: vdda = vdd to 3.6 v – power-on/power down reset (por/pdr) –low power modes: sleep, stop,      

standby • clock management – 4 to 32 mhz crystal oscillator – 32khz oscillator for rtc with calibration – internal 8 mhz rc with x6pll option – internal 40 khz rc oscillator • up to 55 fast i/os –all mappable on external interrupt vectors – up to 55 i/os with 5vtolerant capability • 5-channel dma controller • one 12-bit, 1.0 µsadc (up to 16 channels) – conversion range: 0 to 3.6 v – separateanalog supply: 2.4 v to 3.6 v • calendar rtc with alarm andperiodic wakeup from stop/standby • 11 timers – one 16-bitadvanced-control timer for six-channel pwm output – up to seven16-bit timers, with up to four ic/oc, ocn, usable for ir controldecoding – independent and system watchdog timers – systicktimer