HC32L110 Cortex-M0+ MCU, Low Pin Count, Low Power Consumption, with 12bit 1Msps SARADC


HC32L110 is manufactured by HDSC (Huada Semiconductors). The key features are: 

  • 32MHz Cortex-M0+ 32bit MCU
  • Low power consumption
    • 0.5uA @ 3V deep sleep mode
    • 1.0uA @ 3V deep sleep + RTC mode
    • 6uA @32.768kHz slow working mode
    • 20uA/MHz @ 3V @ 16MHz sleep mode
    • 120uA/MHz @ 3V @ 16MHz work mode
    • 3uS ultra low power wakeup mode
  • 16KB/32KB (embedded) flash memory, with write protection
  • 2KB/4KB RAM with verification
  • GPIO 16IO @ 20pin, 12IO @ 16pin
  • Clock and Xtal
    • External high crystal: 4M - 32MHz
    • External low crystal: 32.768KHz
    • Internal high clock: 4/8/16/22.12/24MHz
    • Internal low clock: 32.768K/38.4KHz
    • hardware clock calibration and supervisory circuit.
  • Timer/Counter
    • 3 x 16bit timers/counters
    • 1 x low power 16bit timer/counter
    • 3 x high performance 16bit timers/counters, with PWM complementation and dead-zone protection
    • 1 x programmable 16bit timer/counter, with capture compare and PWM output
    • 1 x 20bit programmable counter/WDT, with independent ultra low power RC-OSC.
  • Communications
    • UART0/UART1 standard serial ports
    • UART2 with low power clock
    • SPI interface
    • I2C interface
  • Beep buzzer, with complementary outputs
  • Hardware calendar RTC module
  • Hardware CRC-16 module
  • 16B Unique 16B chip ID
  • 12bit 1Msps high speed high precision SARADC, with builtin op-amp to measure external weak signal
  • Integrated 6bit DAC and programmable standard reference inputs 2 voltage comparator VC
  • Lower Voltage Detector LVD, with 16 step comparsion voltages, to monitor port voltage and power supply
  • Embedded debug support with SWD
  • Working temperature: -40 ~ 85 
  • Working voltage: 1.8-5.5V
  • Package: QFN20, TSSOP20, TSSOP16
Assessment
  • Ultra low cost, low power consumption, low pin count to replace STM32L0XX and LPC8XX.
  • Limited ROM/RAM space
  • Rich peripherals, with some unique features.
  • Analog periperals have been tested in field yet.
  • Popular as controller for SPI transceivers, toys and other veritical market.
  • Supported by Keil uVision, IAR EW and GCC from OSHW communities.
  • Recommended for new designs for mass productions.

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