Rev. 1.21

3 of 39

April 11, 2017

HT32F52220/HT32F52230

Power Consumption ............................................................................................................ 25

Reset and Supply Monitor Characteristics........................................................................... 26

External Clock Characteristics............................................................................................. 27

Internal Clock Characteristics .............................................................................................. 28

PLL Characteristics.............................................................................................................. 28

Memory Characteristics ....................................................................................................... 28

I/O Port Characteristics........................................................................................................ 29

ADC Characteristics ............................................................................................................ 30

SCTM/GPTM Characteristics .............................................................................................. 31

I2C Characteristics ............................................................................................................... 32

SPI Characteristics .............................................................................................................. 33

6 Package Information ............................................................................................ 35

24-pin SSOP (150mil) Outline Dimensions.......................................................................... 36

28-pin SSOP (150mil) Outline Dimensions.......................................................................... 37

SAW Type 33-pin (4mm×4mm) QFN Outline Dimensions................................................... 38