Devices HT32F619xx Series HT32F619xx Series Holtek Devices 4 HT32F61930 HT32F61930 Cortex-M0+ HT32F61930_48LQFP HT32F61930 Cortex-M0+ HT32F61940 HT32F61940 Cortex-M0+ HT32F61940_48LQFP HT32F61940 Cortex-M0+