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Holtek HT32F67531

ARM Cortex-M0+, 16 MHz, 144 kB ROM, 48 kB RAM

The HT32F67531 is an ultra-low power SoC integrating a 2.4 GHz transceiver and an Arm Cortex-M0+ microcontroller with a RAM of 48 kB and a One-Time Programmable (OTP).

Core ARM Cortex-M0+, 16 MHz, 4 -channel Peripheral DMA
  • DMA:4 -channel Peripheral DMA
  • Processor:Cortex-M0+, 16 MHz
Memory 48 kB RAM, 144 kB ROM
  • ROM:144 kB
  • RAM:48 kB
Clock & Power 1.80 V .. 3.30 V, 16 MHz
  • External Oscillator:32 MHz 32 MHz External Crystal Oscillator
  • Internal RC:32 MHz Internal RC Oscillator
  • Supply Voltage:1.80 V .. 3.30 V Operating Voltage
  • Maximum Clock Frequency:16 MHz,
  • RTC:32 kHz
Communication SPI, I2C, UART
  • SPI:1 x SPI
  • I2C:1 x I2C
  • UART:2 x UART
Timer/Counter/PWM 1 x 16-bit Timer, 1 x 11-bit Timer, 1 x 14-bit Timer
  • Watchdog:1 x Watchdog Timer
  • Timer/Counter:1 x 16-bit Timer 0 with PWM0 and PWM1
  • Timer/Counter:1 x 11-bit Timer 1 with two channels for capture input triggered by GPIOs
  • Timer/Counter:1 x 14-bit Timer 2 with PWM2 ~ PWM7 (Total 6 channels)
Analog 4-channel 10 bit ADC
  • ADC:4-channel x 10 bit ADC
I/O & Package -40 °C .. 85 °C, 24-QFN
  • Operating Temperature Range:-40 °C .. 85 °C Operating Temperature Range
  • I/Os:12 Inputs/Outputs
  • External Interrupts:5 External Interrupts
  • Package, QFN:24-pad FCGQFN
  • Other:1 x 3-axis capable Quadrature Decoder
  • Other:1 x True Random Number Generator
  • Other:1 x Keyboard controller
  • Other:1 x Temperature sensor
Development Tools
CMSIS Drivers No CMSIS-Driver in Device Family Pack.
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