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)