The ZB32L030 is a microcontroller with an embedded 32-bit ARM® Cortex-M0 + core with ultra-low power consumption and wide voltage operating range (2.5V to 5.5V), up to 24MHz, built-in 32K/64K bytes of embedded Flash. 8K byte SRAM and integrated 12-bit 1Msps high precision SAR ADC(16 channel), DAC(6-bits), OPAX2, RTC, comparator X2, multichannel UARTX4, LPUART, SPIX2, I2CX2 and PWMx (up to 8 independent exits or 3 complementary exits) and other rich peripheral interfaces, with high integration, high anti-interference, high reliability.
    The ZB32L030 series has the advantages of wide voltage operating range, low power consumption, low standby current, high integration peripherals, high operating efficiency, fast wake-up and high cost performance, and is widely used in the following applications:
    Small household appliances, chargers, remote controls, electronic cigarettes, gas alarms, digital display meters, temperature controllers, recorders, 

➢ 8K byte SRAM
➢ Up to 24MHz (0 wait)
➢ A 24-bit system timer
➢ Support low-power sleep mode
➢ Built-in single-cycle 32-bit hardware multiplier
➢ 8us Wake up time @Deep Sleep Fcpu=24Mhz

➢ Wide voltage operating range 2.5V to 5.5V
➢ Wide operating frequency 8MHz up to 24MHz
➢ Operating temperature: -40°C to +85°C

➢ External 4MHz~24MHz high-speed crystal oscillator
➢ External 32.768KHz crystal oscillator
➢ Internal 4MHz~24MHz high-speed clock
➢ Internal low speed 38.4KHz/32.768KHz clock
➢ Support hardware clock monitoring

    RTC

➢ Support RTC count (seconds/minutes/hours) and perpetual calendar function (day/month/year)
➢ Support alarm function register (second/minute/hour/day/month/year)
➢ Support RTC to wake the system from Deep Sleep mode

➢ POR,PDR,LVR
➢ Two low power operating modes:
- Sleep
- Deep Sleep Mode: Stable Time 800us@Icc =0.9uA
➢ Low voltage detection, can be configured to interrupt or reset
➢ Wake up @sleep: All interrupt sources can wake up
➢ Wake Up @Deep sleep: All GPIO pins with RTC(Low speed clock work)

◼ interrupt

➢ Nested Vector Interrupt Controller (NVIC) for controlling 32 interrupt sources,
Each interrupt source can be set to 4 priorities
➢ Serial debugging (SWD) with 2 observation points /4 breakpoints

◼ Universal I/O pin

➢ 39 I/ OS in 48-Pin package

◼ Built-in ISP Bootloader

➢ Support program upgrade through UART,SPI,I2C.

◼ Timer/counter

➢ Universal timer :4X16 bits
➢ Advanced timer :3X16 bits,1X24bits(SysTick)
➢ Programmable counter :1X16 bits
➢ Watchdog counter: WWDTX1,IWDTX1
➢ Basic timer: 2X16bits
➢ Low power timer :1X16bits

◼ Buzzer frequency generator

➢ Can generate 5 1KHz, 2KHz, 4KHz buzzer signals

◼  communication interface

➢ UART0,1,2,3 standard communication interface
➢ Support low-speed clock ultra-low power LPUART
➢ SPIX2 standard communication interface, up to 20Mbps
➢ I2CX2 standard communication interface, the main mode supports up to 1Mbps, the secondary mode supports up to 800Kbps
➢ One-Wire communication interface

◼ ADC

➢ 12-bit 1Msps sampling rate, 12-bit SAR ADC
➢ 22 channels: 17 external pins, 17 pin channels, 1 VCAP(2.54V), 1 V12(1.2V) calibration channel, 1 DACO channel,2 OPA output channels
➢ External reference voltage: VDD,GPIO(PB01) PIN
➢ Built-in reference voltage: 2.54V

◼ PWM

➢ Support up to 8 independent exports
➢ Support up to 3 complementary exits

◼ DAC(6-bits)X2

➢ SWD full-featured embedded debugging solutions

◼ Packing type: QFN32, LQFP48/44/32 TSSOP28.