Auto Body System 
Motor System 
Smart office 
White goods 
Digital power supply 
Personal care 
green riding 
Garden tools 
Electric tools 
Fan water pump 
Kitchen appliances 
Lithium battery management 
Family medical 
Personal medical 
CCC 
Personal care 
Automotive MCUs 
Brushless DC motors 
High precision measurement 
Wireless connection 
Electromagnetic heating 
High performance and low power consumption 
8-bit microcontroller 
32-bit microcontroller 
RISC-V 
High precision ADC 
Touch 
Display driver 
IPM driver 
Gate driver 
Motor driver 
CMS89F552xB MCU builts in 17-channel touch button detection module, which has two 8-bit timers and high precision 12-bit ADCs, Maximum support for 18-way ADC detection，five band complementary output PWM modules and eight voltage LVD modules.
CMS89F552xB MCU builts in 17-channel touch button detection module, which has two 8-bit timers and high precision 12-bit ADCs, Maximum support for 18-way ADC detection，five band complementary output PWM modules and eight voltage LVD modules.
CMS89F552xB MCU is Cmsemicon's independent 8-bit RISC core MCU, working voltage 1.8V~5.5V, providing 4Kx16ROM, 256x8 RAM, 32x16 Pro EE, Touch, ADC, PWM, LVD and so on. Which provides SOP16/SOP20 packages.
> RISC core
> Operating voltage range:
> 2.5V-5.5V@16MHz
> 1.8V-5.5V@8MHz
> ROM: 4Kx16
> General RAM: 344x8
> Two 8-bit universal timers TIMER0, TIMER2
TIMER2 can select external 32.768 KHz oscillation
> Build-in 17-channel of touch detect module
> 2 High Performance Amplifiers
> PWM module with complementary output
5-way PWM, set to 2 complementary outputs
RB0/RB1, RB3/RB4 enable 70mA high current drive
5-way PWM common cycle, independent duty cycle
> Interrupt source
> 2 timed interrupts
> A port level change interrupt
> Build-in LVD, reset voltage 1.8V/2.1V/2.5V/3.0V
> High precision 12-bit ADC
Built-in high precision 0.6V reference voltage
±1.5% @VDD=2.5V~5.5V TA=25℃
±2% @VDD=2.5 V~5.5V TA=-40℃~85℃
> Two 8-bit timers with built-in 32 byte program EEPROM
> Built in LVD module
> Internal RC oscillation: design frequency 8MHz/16MHz
> Package type: SOP16, SOP20
| Name | Version | Describe | Download |
|---|---|---|---|
| CMS89F552xB_DemoCode | V1.0.0 | Contains the driver and sample program of the CMS89F552xB_Demo chip module |
Download > |
| CMS89F552xB user manual | V1.5.1 | CMS89F552xB modules, chip registers, clocks, storage, etc. |
Download > |
| CMS89F552xB_DemoCode_ASM | V1.0.0 | Contains the assembly driver and sample program of the CMS89F552xB_Demo chip module |
Download > |
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