The HOLTEK HT32F52231/523×1 devices are high performance, low power consumption 32-bit microcontrollers based around an Arm® Cortex®-M0+ processor core. The Cortex®-M0+
CPU Features Operating Voltage fSYS=8MHz: 2.2V~5.5V fSYS=12MHz: 2.7V~5.5V fSYS=20MHz: 4.5V~5.5V Up to 0.2µs instruction cycle with 20MHz system clock at
The HT45F23A and HT45F24A are Flash Memory Tinypower A/D type 8-bit high performance RISC architecture microcontrollers, designed especially for applications
CPU Features Operating Voltage: fSYS=8MHz: 2.2V~5.5V fSYS=12MHz: 2.7V~5.5V fSYS=12MHz: 3.3V~5.5V fSYS=20MHz: 4.5V~5.5V Up to 0.2us instruction cycle with 20MHz system