CMS89F11x series MCU is Cmsemicon's independent 8-bit RISC core MCU. Operating voltage 1.8V to 5.5V; provide 2Kx14 Flash, 144x8 RAM, 32x14 Pro EE, ADC, LCD driver, PWM, comparator, etc. Provide SOP8/SOP14/SOP16/DIP20/SOP20 package.
> RISC core
> Working voltage: 2.5V-5.5V @8MHz 1.8V-5.5V @4MHz
> Working temperature: -40℃-85℃
> 2Kx14 Flash
> 144x8 RAM
> 3 8-bit general-purpose timers
> 2 PWM outputs Port
> 7 interrupt sources
> Built-in low voltage detection circuit, internal reset voltage: 1.8V/2.5V/3.5V
> 14 channels of 12-bit analog-to-digital conversion (ADC)
> 2 channels of built-in comparators
> dedicated buzzer output port ( Variable frequency)
> I/O port configuration P0: with wake-up function, pull-up resistance option P1: with pull-up resistance option P2: with pull-up and pull-down resistance options
> Support multiple oscillation modes Internal RC oscillation: 8MHz/4MHz optional (4.5V—5.5V) & (-20℃—70℃) The error does not exceed ±1%
> External XT oscillation: up to 8MHz
> Package types: SOP8, SOP14, SOP16, SOP20 and DIP20