operating voltage range: 1.8~5.5v l operating temperature range: -40℃~+85℃ l typical current consumption n active：150ua/mhz n standby：10ua@32khz n sleep：5ua n deepsleep：2ua n stop with rtc and ram data retention：1ua n deepstop：0.5ua l ultra low power mode rapid awakening n sleep mode awaken time: 5us n stop mode awaken time: 10us l 16-bit processor core compliant to 8xc251 l bird-owl on-line debugger l flash memory n max 64k bytes program space n endurance >10,000cycles n data retention >10yrs（@85℃） n bootloader self-progamming supported l 4k bytes ram w/ parity, all data retained under lpm l power-on reset l power-down reset l 16 external interrupt pins l software configurable watchdog timer l independent programmable timer n 8-bit general timer*2; 16-bit general timer*2 n 1 programmable counter array, include 1 16-bit timer and 5 comparator/capturer module n 1 16-bit low-power timer