... 89C2 051 , 89C4 051 , 89C51, 89LV51, 89C52, 89LV52, 89C 55, 89LV 55, 89C55WD, 89S51, 89LS51, 89S52, 89LS52, 89S53, 89LS53, 89S8 252 , 89LS8 252 Thí nghi m thi t b ngo i vi như: LED i m, LED ma tr n, LED o n, ... socket SLAVE 40 PIN): AT89C51, AT89LV51, AT89C52, AT89LV52, AT89C 55, AT89LV 55, AT89C55WD, AT89S51, AT89LS51, AT89S52, AT89LS52, AT89S53, AT89LS53, AT89S8 252 , AT89LS8 252 Lo i chip 20 chân ( c g n vào ... AT89C55WD AT89S51 AT89LS51 AT89S52 AT89LS52 AT89S53 AT89LS53 AT89S8 252 AT89LS8 252 AT89C1 051 AT89C2 051 AT89C4 051 Flash (Kbytes) 4 8 20 20 20 4 8 12 12 8 EEPROM KB KB RAM (Bytes) 128 128 256 256 256 ...