CXTC8F050P is 8 bit MCU with 5 channels of touch sensor and 5 I/O ports. It develops from the mcu-SG8000B, which includes 8-bit CPU core, program OTP ROM, SRAM, TIMER, GPIO and touch senso

Microcontroller Features: 

Operating voltage range: 2.4V~5.5V

Operating frequency up to 8MHz

8-bit MCU core 

4K×14 bits OTP ROM for program

— 6 level stacks for subroutine nesting

144×8 bits SRAM, and 128 bytes split to 4 banks

2 bi-directional I/O ports (5 I/O pins)

— P02-P00 has wake-up function, Pullup function and external interrupt function

— P21-P20 has wake-up function, Pullup function and external interrupt function 

Clock Sources

— HRC(32KHz ~8MHz)

— LRC(200KHz) 

6 interrupt sources:

— TCC Timer overflow interrupt

— 2 external interrupt

— RTC Timer overflow interrupt

— 2 touch pad interrupt 

8-bit RTC Timer with overflow interrupt

8-bit TCC Timer with overflow interrupt

8-bit prescaler for WDT or TCC 

Touch sensor

— 8 channels

— own RC oscillator

— 16-bit Timer with overflow interrupt

— touch pad interrupt and also have wake-up function 

Built-in power on reset (POR)

Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)

Watchdog Timer (WDT) with its own on-chip RC oscillator to prevent system stand still

Built-in low power voltage reset (LVR)

CMOS technology for low power consumption

System mode:

SG8F050P supports four work modes

Normal: MCU turn on, HRCand LRC turn on

Slow: MCU turn on, HRC turn off and LRC oscillator turn on

Idle: MCU turn off, HRC turn off and LRC oscillator turn on

Sleep: MCU, HRC and LRC oscillator turn off

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