Enhanced 1T 8051, 16KB Flash, the fastest 48MHz peripheral operation, dual op amps, dual comparators, PGA, free mapping of digital functions. The CMS8S69xx series of MCUs have a wealth of analog peripherals, which can simplify the peripheral circuit of the product, and are widely used in various application fields such as e-cigarettes, wireless charging, mobile power supplies, motor controls, wireless light control, TWS headset charging bins, personal medical care, security, etc.
CMS8S69xx is an enhanced 1T 8051 Flash MCU, the fastest support 48MHz peripheral operation, 24MHz core operation, working voltage 2.1V-5.5V, GPIO up to 22, built-in 2 analog comparators, 2 operational amplifiers, 1 channel Programmable gain amplifier, providing 6-channel complementary PWM output with dead zone control, up to 22 channels of 12-bit ADC, 2 UARTs, 1 SPI, 1 I2C. Industrial standard design, can work at -40℃ to -105℃, and provide SSOP20, TSSOP20, QFN20, SSOP24 and QFN24 packages.
> Enhanced 1T 8051
> Working voltage: 2.1V-5.5V @Fsys=48MHz, Fcpu=24MHz
> Working temperature: -40℃-105℃
> Working frequency: Fsys=48MHz, Fcpu=24MHz
> Built-in 16KB Flash ROM (support BOOT function area, 0K/1K/2K/4K optional), 1KB Data Flash, 256B general RAM, 1KB general XRAM
> Support 4 different oscillation modes
> Up to 22 general GPIOs, all digital functions can be assigned to any GPIO
> 2 analog comparators, offset voltage less than ±1mV
> 2 operational amplifiers, offset voltage less than ±1mV
> 1 programmable gain amplifier, offset voltage less than ±200uV
> up to 22 channels 12-bit ADC, built-in 1.2V reference voltage, reference Voltage optional 1.2V/2.0V/2.4V/3.0V/VDD
> 5 16-bit timers, Timer2 has Capture/Compare function
> Built-in WDT timer
> Built-in LSE timer, support sleep wake-up function
> 2 UART serial ports , the baud rate is up to 1Mb/s
> 1 SPI, the communication rate is up to 6Mb/s> 1 I2C, the communication rate is up to 400Kb/s
> 6 channels of 16-bit enhanced PWM, supporting independent and complementary modes and programmable dead zone delay, PWM output port can be multi-port mapping
> Built-in low voltage reset function (LVR): 1.8V/2.0V/2.5V/3.5V
> Built-in low voltage detection function (LVD): 2.0V/2.2V /2.4V/2.7V/3.0V/3.7V/4.0V/4.3V
> Beeper> 96bit unique ID (UID)
> Package: TSSOP20, QFN20, SSOP24 and QFN24
Name | Version | Describe | Download |
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CMS8S3680_69xx data sheet | V1.0.8 | CMS8S3680_69xx chip feature, performance indicators, packaging information, etc. |
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CMS8S3680_69xx user manual | V1.0.9 | CMS8S3680_6980_6990 modules, chip registers, clocks, storage, etc. |
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CMS8S6990 Notes for Addressing of Variables | V1.00 | CMS8S6990 Notes for Addressing of Variables |
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Application Notes for CMS 8051 Microcontroller | V1.0.12 | Application Notes for CMS 8051 Microcontroller |
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CMS8S6990_Democode | V2.8.2 | CMS8S6990 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 |
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8051MCU LVD Application Note | V1.0.0 | Cmsemicon 8051MCU LVD Application Note |
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8051MCU LSE Application Note | V1.0.0 | Cmsemicon 8051MCU LSE Application Note |
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Product | Name | Describe | Category |
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CMS8S6990-EVB | CMS8S69xx series product function evaluation board |
1.0.1 |
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