Devices HT32F503xx Series HT32F50343 HT32F50343 Holtek Devices 5 HT32F50343 HT32F50343 Cortex-M0+ HT32F50343_32QFN HT32F50343 Cortex-M0+ HT32F50343_46QFN HT32F50343 Cortex-M0+ HT32F50343_48LQFP HT32F50343 Cortex-M0+ HT32F50343_64LQFP HT32F50343 Cortex-M0+