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 
Enhanced 1T 8051 Flash MCU, the fastest to support 48MHz peripheral operation, 24MHz core operation, is widely used in smart home, medical electronics, small home appliances, instrument display, Internet of Things and other fields.
Enhanced 1T 8051 Flash MCU, the fastest to support 48MHz peripheral operation, 24MHz core operation, is widely used in smart home, medical electronics, small home appliances, instrument display, Internet of Things and other fields.
CMS80F751x series MCU is an enhanced 1T 8051 Flash MCU, which supports 48MHz peripheral operation at the fastest, 24MHz core operation, working voltage 2.1V-5.5V, GPIO up to 30, built-in LCD/LED drive module, support touch module, provide 6-channel complementary PWM output with dead zone control, up to 30 12-bit ADCs, 2 UARTs, UART1 can be arbitrarily mapped I/O ports, 1 SPI, 1 I2C, built-in operational amplifier and comparator, industrial grade standard design.
> Enhanced 1T 8051
> Working voltage frequency: 2.1V-5.5V @Fsys=48MHz, Fcpu=24MHz
> Working temperature: -40℃-105℃
> Built-in 32KB Flash ROM (support BOOT function area, 0K/1K/2K/ 4K optional), 1KB Data Flash, 256B general RAM, 2KB general XRAM
> Support 4 different oscillation modes
> Up to 30 general-purpose GPIO (all support edge interrupt)> Up to 30 channels 12-bit ADC, built-in 1.2V reference voltage, Reference voltage selectable 1.2V/2.0V/2.4V/3.0V/VDD
> 5 16-bit timers
> Built-in WDT timer
> Built-in LSE timer, support sleep wake up function
> Built-in LCD driver (support energy-saving mode)
> Built-in LED driver (COM, SEG current optional)
> High sensitivity touch
> 2 UART serial ports (UART1 can be arbitrarily mapped to I/O ports)
> 1 SPI
> 1 I2C
> 6-channel enhanced PWM, supporting independent and complementary modes, Complementary mode dead zone delay
> Built-in 2 comparators
> Built-in 2 operational amplifiers
> Built-in temperature sensor
> Buzzer BUZZER
> Built-in low voltage reset function (LVR): 1.8V/2.0V/2.5V/3.5V
> Built-in low voltage Detection function (LVD): 2.0V~4.6V 16 levels optional
> Support CRC16
> Support multiplication and division operation unit
> Support low power consumption Mode
> 96bit unique ID (UID)
> Package type: SOP28, LQFP32
| Name | Version | Describe | Download |
|---|---|---|---|
| Application Notes for CMS 8051 Microcontroller | V1.0.12 | Application Notes for CMS 8051 Microcontroller |
Download > |
| CMS80F751x data sheet | V1.1.0 | CMS80F751x chip feature，performance indicators, packaging information, etc. |
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| CMS80Fx51x_DemoCode | V2.3.5 | Contains the driver and sample program of the CMS80Fx51x_Demo chip module |
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| 8051 chip ADC model Application Note | V1.01 | ADC model Application Note for CMS 8051 chip |
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| 8051MCU I2C Application Note | V1.0.1 | Cmsemicon 8051MCU I2C Application Note |
Download > |
| CMS80F751x Reference Manual | V1.0.7 | CMS80F751x chip modules, chip registers, clocks, storage, performance indicators, packaging information, etc. |
Download > |
| 8051MCU LVD Application Note | V1.0.0 | Cmsemicon 8051MCU LVD Application Note |
Download > |
| 8051MCU LSE Application Note | V1.0.0 | Cmsemicon 8051MCU LSE Application Note |
Download > |
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