summary
It is a high-performance 8-bit OTP MCU with a 2K bit serial EEPROM code, equipped with a high-precision RC oscillator. The high anti-interference performance of the product provides a good solution for small household appliances.
function
Built in 2K bit serial EEPROM
8-bit RISC CPU core, 2T
1K * 14 bit program memory space, 5-level deep hardware stack
49 byte universal data register space
2 sets of IO ports (capable of supporting 11 universal IO ports and 1 input port)
Low power mode, STOP template power consumption less than 1uA,
RTC mode power consumption is less than 10uA
Internal self oscillating watchdog counter (WDT)
1 8-bit timer with RTC function, capable of setting overflow interrupts
1 8-bit timer with PWM/BUZ and automatic loading function
1 external intermediate break (can be set by software to trigger rising and falling edges)
Internal 28K RC oscillator for watchdog counting
Internal 8 RC oscillator for system clock
External 32768 low-frequency crystal oscillator, used for system clock or RTC
Low voltage reset LVR (multi-level reset voltage optional)
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