CMS89F63x5B series MCU is Cmsemicon's independent 8-bit RISC core MCU. Operating voltage 2.5V to 5.5V; provide 8Kx16 Flash, 344x8 RAM, 64x8 Data EE, built-in touch button module, LED, LCD driver, ADC, PWM, USART, MSSP communication module, and provide SOP28, LQFP44 and LQFP48 packages.

> RISC core

> Operating voltage: 3.0V-5.5V @8MHz

2.5V-5.5V @4MHz

> Operating temperature: -40℃-85℃

> 8Kx16 Flash

> 344x8 RAM

> Built-in 64-byte data EEPROM, can be repeatedly erased and written to 100 Ten thousand times

> 3 general-purpose timers

> Interrupt source supports 3 timing interrupts, RB port level change interrupts, other peripheral interrupts

> Built-in touch button module

> Built-in operational amplifier module

> Capture, compare and PWM module (CCP)

10bit PWM accuracy

2 channels of PWM can set independent period and duty cycle

> High-precision 12-bit ADC

> Built-in high-precision 0.6V/1.2V reference voltage

±1.5% @VDD=2.5V~5.5V TA=25℃

±2% @VDD=2.5V~5.5V TA=-40℃~85℃

> Built-in 2 USART communication module

> Built-in MSSP communication module (SPI/ I2C)

> Built-in LCD driver module

can support up to 24SEG x 8COM

optional 1/2, 1/3, 1/4 bias voltage

can be selected 1/4, 1/5, 1/6, 1/8 duty cycle

> The built-in LED driver module

can support up to 11 segments of 8-bit

COM ports with high current drive capability

Up to 120mA SEG port current can be flexibly configured to 2~30mA

> Support multiple oscillation modes

internal RC oscillation: design frequency 8MHz

external XT oscillation: up to 8MHz

> Package types: SOP28, LQFP44 and LQFP48