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Holtek HT32F1253

ARM Cortex-M3, 72 MHz, 31 kB ROM, 8 kB RAM

Holtek HT32F125x series - ARM Cortex-M3 running at 72 MHz - From 8 to 31 Kbytes embedded Flash - From 2 to 8 Kbytes embedded SRAM - Almost all I/O pins are 5 V-tolerant - Up to 32 I/O lines Peripherals - Timer: RTC, 2 GPTM - Communication: SPI, USART, I2C - ADC: 12-bit ADC up to 8 channels Packages - 48pin LQFP

Core ARM Cortex-M3, 72 MHz
  • Processor:ARM Cortex-M3, 72 MHz
Memory 8 kB RAM, 31 kB ROM
  • ROM:31 kB
  • RAM:8 kB
Clock & Power 2.70 V .. 3.60 V, 72 MHz
  • External Oscillator:4 MHz 16 MHz External Crystal Oscillator
  • Internal RC:8 MHz Internal RC Oscillator
  • Supply Voltage:2.70 V .. 3.60 V Operating Voltage
  • Power Modes:5 Power Modes: Run,Sleep,Deep-Sleep1,Deep-Sleep2,Power-Down
  • Maximum Clock Frequency:72 MHz
  • RTC:32 kHz
Communication SPI, I2C, USART
  • SPI:1 x SPI
  • I2C:1 x I2C
  • USART:1 x USART
Timer/Counter/PWM 2 x 16-bit Timer
  • Watchdog:1 x Watchdog Timer
  • Timer/Counter:2 x 16-bit GPTM with Quadrature Decoder
Analog 8-channel 12 bit ADC, 2 x OPA/Comparator
  • ADC:8-channel x 12 bit ADC
  • Other:2 x OPA/Comparator
I/O & Package -40 °C .. 85 °C, 48-QFP
  • Operating Temperature Range:-40 °C .. 85 °C Operating Temperature Range
  • I/Os:32 Inputs/Outputs
  • External Interrupts:16 External Interrupts
  • Package, QFP:48-lead LQFP48
Development Tools
CMSIS Drivers No CMSIS-Driver in Device Family Pack.
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