TC1269-2.8VUA TC1269-2.8VUATR TC1269-3.0VUA TC1269-3.0VUATR TC1269-3.3V TC1269-3.3V##### TC1269-3.3V& TC1269-3.3VUA TC1269-3.3VUA 单片机MCU TC1269-3.3VUAT