legendsemi

LH32M0S328QMG

Product Features

● Kernel

— 32-bit ARM® Cortex®-M0 CPU

— Up to 32MHz operating frequency

● Memory

— Maximum 128 Kbytes FLASH memory

— 4 Kbytes SRAM

● Clock module

— Internal 32MHz RC oscillator (HRC), typical ±1% accuracy

— Internal 32KHz RC oscillator (LRC), typical accuracy ±10%

— 32.768KHz Low Speed Crystal Oscillator (LXT)

● Working environment

— VDD voltage: 2.2~3.6V

— VDDA voltage: 2.2~3.6V

— Temperature range: -40~105℃

● Power Management

— Low-power modes: Sleep, Deep-sleep and Power-down modes

— Support power-on/power-down reset (POR/PDR)

— Supports Low Voltage Detection (LVD)

● General purpose input and output

— 35 I/Os support up to 32MHz operating frequency

— Support interrupt vector

● High-precision analog-to-digital converter (Sigma-Delta ADC)

— 24 bit high precision Sigma-Delta ADC

— Support up to 8 external input channels

— Support single-ended, differential input

— 1/2/4/8/16/32/64/128 times selectable gain

— Integral nonlinearity (INL) maximum 30ppm

— ADC channel temperature drift 2ppm/℃

— Output rate 8Hz~8kHz

ENOB≥19.5bit@30sps,PGA=128

ENOB≥15.4 bit@8ksps, PGA=128

— Hardware automatically switches ADC channels, automatically polls and reads ADC data, and interrupts to notify MCU or DMA

— Comes with reference voltage, output 1.8/2.35/2.45/2.8V optional

— Integrated temperature sensor/supply voltage detection channel

● Digital Comparator

— Fast-response digital comparator

● LCD Driver

— Integrated 4 COM, 20 SEG configuration

— integrated charge pump

● LED Driver

— Support up to 7 x 8 segments

● Buzzer all the way

● 2 timers

— 4-way 16bit advanced control timer (TIM1), 6-channel PWM output with dead zone and complementary control

— 4-way 16bit general-purpose timer (TIM2), with PWM output

● Programmable constant current source

— 8mA, 10mA, 12mA, 20mA

— Support PWM control

● OLED color screen DMA acceleration module

● Serial Single Wire Debug (SWD)

● Packaging

— LQFP48(7mmx7mm)

— SSOP24(8.2mmx5.3mm)

— QFN48(6mmx6mm)

Application Scenario

● Data collection

● Industrial control

● Medical equipment