HT32F52220

HT32F52220/HT32F52230 Datasheet 32-Bit ARM® Cortex™-M0+ Microcontroller, up to 32 KB Flash and 4 KB SRAM with 1 MSPS ADC, USART, UART, SPI, I2C, GPTM, SCTM, BFTM, WDT Revision: V1.21 Date: April 11, 2017 Table of Contents 32-Bit ARM® Cortex™-M0+ MCU HT32F52220/HT32F52230 Table of Contents 1 General Description................................................................................................. 6 2 Features.................................................................................................................... 7 Core........................................................................................................................................ 7 On-chip Memory..................................................................................................................... 7 Flash Memory Controller – FMC............................................................................................. 7 Reset Control Unit – RSTCU.......................