This part is a kind of semiconductor called CMS69T08.

Function of this product has Touch MCU.

Manufacturers : MCU ( www.mcu.com.cn )

Image and pinout :

Some of the text within the PDF file :

1. Memory
ROM: 2K * 14
RAM: 87

 

2.  2 PWM output ports
Two modes are selected for 8-bit PWM
10-bit PWM

◆ 8-level stack buffer ◆ Instruction cycle (single instruction or dual instruction cycle)
◆ simple and practical instruction system (69 instructions) ◆ dedicated buzzer output (frequency variable)

◆ Built-in low-voltage detection circuit ◆ Built-in WDT timer

◆ 6 interrupt sources
Internal interrupt source 3: TMR1, TMR2, ADC
External interrupt source 2: EXT0, EXT1
Touch interrupt source 1: KEY_C

◆ I / O port configuration

P0: With wake-up function, pull-up resistor option.
P1: has a pull-up resistor option
P2: has the upper and lower pull-down resistors

◆ 3 8-bit timers
TMR0
TMR1
TMR2

◆ two kinds of work mode
Normal mode
Sleep mode

◆ High frequency signal output (CLO)
Duty can be selected: 25%, 50%, 75%.

◆ 2-channel built-in comparator
Positive terminal can be selected to connect the internal standard voltage
 [ ... ]

 

CMS69T08 PDF Datasheet Download