1
绗?/p>
3
绔?/p>
鎸囦护绯荤粺
1
锛岀畝杩颁笅鍒楀熀鏈蹇碉細鎸囦护锛屾寚浠ょ郴缁燂紝鏈哄櫒璇█锛屾眹缂栬瑷�锛岄珮绾ц瑷�銆?/p>
1
銆佹寚浠わ細
CPU
鏍规嵁浜虹殑鎰忓浘鏉ユ墽琛屾煇绉嶆搷浣滅殑鍛戒护
鎸囦护绯荤粺锛氫竴鍙拌绠楁満鎵�鑳芥墽琛岀殑鍏ㄩ儴鎸囦护闆嗗悎
鏈哄櫒璇█锛氱敤浜岃繘鍒剁紪鐮佽〃绀猴紝璁＄畻鏈鸿兘鐩存帴璇嗗埆鍜屾墽琛岀殑璇█
姹囩紪璇█锛氱敤鍔╄绗︺�佺鍙峰拰鏁板瓧鏉ヨ〃绀烘寚浠ょ殑绋嬪簭璇█
楂樼骇璇█锛氱嫭绔嬩簬鏈哄櫒鐨勶紝鍦ㄧ紪绋嬫椂涓嶉渶瑕佸鏈哄櫒缁撴瀯鍙婂叾鎸囦护绯荤粺鏈夋繁鍏?/p>
浜嗚В鐨勯�氱敤鎬ц瑷�
2
锛屼粈涔堟槸璁＄畻鏈虹殑鎸囦护鍜屾寚浠ょ郴缁燂紵
2
銆佽绗?/p>
1
棰樸�?/p>
3
锛岀畝杩?/p>
89C51
姹囩紪鎸囦护鏍煎紡銆?/p>
3
銆佹搷浣滅爜
[
鐩殑鎿嶄綔鏁?/p>
]
[
锛屾簮鎿嶄綔鏁?/p>
]
4
锛岀畝杩?/p>
89C51
瀵诲潃鏂瑰紡鍜屾墍鑳芥秹鍙婄殑瀵诲潃绌洪棿銆?/p>
4
銆?/p>
瀵诲潃鏂瑰紡
瀵诲潃绌洪棿
绔嬪嵆鏁板鍧�
绋嬪簭瀛樺偍鍣?/p>
ROM
鐩存帴瀵诲潃
鐗囧唴
RAM
浣?/p>
128B
銆佺壒娈婂姛鑳藉瘎瀛樺櫒
瀵勫瓨鍣ㄥ鍧�
宸ヤ綔瀵勫瓨鍣?/p>
R0-R7
銆?/p>
A
銆?/p>
B
銆?/p>
C
銆?/p>
DPTR
瀵勫瓨鍣ㄩ棿鎺ュ鍧�
鐗囧唴
RAM
浣?/p>
128B
銆佺墖澶?/p>
RAM
鍙樺潃瀵诲潃
绋嬪簭瀛樺偍鍣紙
@A+PC,@A+DPTR
锛?/p>
鐩稿瀵诲潃
绋嬪簭瀛樺偍鍣?/p>
256B
鑼冨洿锛?/p>
PC+
鍋忕Щ閲忥級
浣嶅鍧�
鐗囧唴
RAM
鐨?/p>
20H-2FH
瀛楄妭鍦板潃銆侀儴鍒?/p>
SFR
5
锛岃璁块棶鐗规畩鍔熻兘瀵勫瓨鍣ㄥ拰鐗囧鏁版嵁瀵勫瓨鍣紝搴旈噰鐢ㄥ摢浜涘鍧�鏂瑰紡锛?/p>
5
銆?/p>
SFR
锛氱洿鎺ュ鍧�锛屼綅瀵诲潃锛屽瘎瀛樺櫒瀵诲潃锛涚墖澶?/p>
RAM
锛氬瘎瀛樺櫒闂存帴瀵诲潃
6
锛屽湪
89C51
鐗囧唴
RAM
涓紝宸茬煡
锛?/p>
30H
锛?/p>
=38H,
(38H)=40H,
(40H)=48H,
(48H)=90H,
璇峰垎鏋愪笅闈㈠悇鏄粈涔堟寚浠わ紝璇存槑婧愭搷浣滄暟鐨勫鍧�鏂瑰紡浠ュ強鎸夐『搴忔墽
琛屾瘡鏉℃寚浠ゅ悗鐨勭粨鏋溿�?/p>
6
銆?/p>
MOV
A
锛?/p>
40H
锛涚洿鎺ュ鍧�
锛?/p>
40H
锛夆啋
A
MOV
R0
锛?/p>
A
锛涘瘎瀛樺櫒瀵诲潃
锛?/p>
A
锛夆啋
R0
MOV
P1
锛?/p>
#0F0H
锛涚珛鍗虫暟瀵诲潃
0F0
鈫?/p>
P1