CMS8H5101L is a high-precision measurement SoC launched by Cmsemicon based on the MCS-51 core; the main frequency is up to 48MHz; the operating voltage is 2.5V to 4.4V; it provides 64K Flash Memory, 1K Data Flash, 4K SRAM; up to 40 GPIOs; built-in 22-bit SigmaDelta ADC, support 1 differential input, PGA magnification can be 1, 2, 4, 8, 16, 32, 64, 128, 256, output rate can be 10Hz, 40Hz, 640Hz; effective resolution up to 18.5 bits, In-band short switch and system chopper switch, integrated temperature sensor; built-in LCD driver, support up to 6 COM*32SEG; built-in LED driver, support up to 6 COM*24SEG; built-in 1.2V reference voltage, which can power high-precision sensors; Built-in 17 channels 12-bit ADC, reference voltage can be selected VDD, 3V, 2.4V, 2V, 1.2V; built-in 2-channel high-performance operational amplifier, 2-channel analog comparator; communication interface provides 4 UART, 1 SPI, 1 I2C; supports 4 timers and a wake-up timer; built-in multiplication and division operation unit, up to 32bit; industrial-grade standard design, can work at -40℃ to 105℃; provide LQFP48 package.

> MCS-51 core

> Working voltage: 2.5V-4.4V @48MHz

> Working temperature: -40℃ ~ 105℃

>64KB Flash ROM

> 4KB SRAM

> 1KB Data Flash

> Support 22bit SigmaDelta ADC, support 1 differential input, the highest Effective accuracy of 18.5bit, integrated temperature sensor

> Built-in 1.2V reference voltage

> With 6COM*32SEG LCD driver, 6COM*24SEG LED driver

> Built-in 17 high-precision 12-bit ADC high-speed ADC

> 4 16-bit timers

> 1 channel Watchdog timer, 1 wake-up timer

> 1 set of capture/compare/pulse width modulation module

> Built-in 32-bit hardware divider

> 6-channel enhanced PWM module

> 2-channel high-performance analog operational amplifier

> 2-channel with bilateral hysteresis Functional analog comparator

> 4 UART interfaces

> 1 I2C interface

> 1 SPI interface

> Support 4 oscillation modes

> Support 4 working modes

> 40 general-purpose GPIO> Package type: LQFP48