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Main frequency is 48MHz, voltage is 2.5V to 4.4V, supply 64KB Flash Memory，1K Data Flash ，4K XRAM, Built-in 24-bit high precision Sigma-Delta ADC, supports 2 differential input with selectable gains of 1 、2 、4 、8 、16 、32 、64 、128 、256. Output rate selectable: 5Hz~2.56KHz; Effective resolution up to 20.6 bits, with internal short switch and system chopper switch, integrated temperature sensor, two differential input channels. Built-in multi-channel 12-bit SAR ADC, support hardware LCD driver, and up to 4COM x 33SEG、5COM x 32SEG 、6COM x 31SEG. Support hardware LED driver and up to 4COM x 26SEG、5COM x 25SEG 、6COM x 24SEG. Supports two low offset op amps and two low offset comparators; Supports 6-channel flexibly configurable PWM, support 3 UARTs, 1 SPI, I I2C, 5 timers, support MDU; industrial-grade standard design, Can work at -40°C to 85°C, provide LQFP48 package.

> 8051 core

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

> Working temperature: -40℃ ~ +85℃

> 64KB Flash ROM

> 256B general RAM

> 4KB XRAM

> 1KB DATA FLASH

> 5 16-bit timers

> 6 channels enhanced PWM

> Built-in Buzzer driver

> Built-in multi-channel 12-bit ADC, sample rate: 100Ksps

> Built-in 24bit high precision Sigma-Delta ADC（speed: 5Hz~2.56KHz）, support 2 differential input, the highest Effective accuracy of 20.6bit, integrated temperature sensor

> Built-in LCD driver

> Built-in LED driver

> Built-in 2 low offset OPAs

> Built-in 2 low offset comparators

> 3 UART interfaces

> 1 I2C interface

> 1 SPI interface

> 38 general-purpose GPIOs

> Package type: LQFP48