.
.
C51
鍗曠墖鏈鸿瘯鍗?/p>
1
涓�銆佸～绌洪锛堟瘡灏忛
1
鍒嗭紝鍏?/p>
30
鍒嗭級
1
銆?/p>
8031
鐨?/p>
P2
鍙ｄ负楂?/p>
8
浣嶅湴鍧�鎬荤嚎鍙ｏ紝
P3
鍙ｄ负鍙屽姛鑳藉彛銆?/p>
2
銆佸崟鐗囨満鐨勫浣嶆搷浣滄槸
_____RST_____
寮曡剼锛岃鍦ㄦ寮曡剼鍔?/p>
__
楂?/p>
______
鐢靛钩鎵嶈兘澶嶄綅鍔ㄤ綔銆?/p>
3
銆?/p>
C51
瀹氫箟鍙鍧�浣嶏紝浣跨敤鍏抽敭瀛椾负
___sbit_
锛屽畾涔夌壒娈婂姛鑳藉瘎瀛樺櫒褰撲腑鐨勬煇浣?/p>
鐢ㄥ叧閿瓧
____sfr________
銆?/p>
4
銆佸凡鐭?/p>
P3=0X7F,
瑕佸疄鐜板皢
P3
鍙ｇ殑鍊煎惊鐜彸绉荤殑鎸囦护鏄?/p>
____
锛屽惊鐜彸绉?/p>
3
娆″悗锛?/p>
P3=___________
銆?/p>
5
銆佹湁鎸囦护
unsigned char mm[]={0X01
锛?/p>
0X02
锛?/p>
0X03},
姝ゆ寚浠や腑鏁扮粍鍏冪礌
mm[1]
鐨勫�间负
________
銆?/p>
6
銆佷覆鍙ｅ伐浣滄柟寮?/p>
2
鎺ユ敹鐨勭
9
浣嶆暟鎹斁鍒颁簡
_SCON____
瀵勫瓨鍣ㄧ殑
______
浣嶄腑銆?/p>
7
銆佽嫢閲囩敤
6MHz
鐨勬櫠浣撴尟鑽″櫒锛屽垯
MCS-51
鍗曠墖鏈虹殑鎸崱鍛ㄦ湡涓?/p>
________
锛屾満鍣ㄥ懆鏈熶负
____________
銆?/p>
8
銆佸崟鐗囨満骞惰鎺ュ彛涓紝瑕佷綔涓鸿緭鍑哄彛蹇呴』澶栨帴涓婃媺鐢甸樆鐨勭鍙ｆ槸
______
锛屽叾鍘熷洜鍦ㄤ簬杈撳嚭绾?/p>
鏄?/p>
________
寮�璺數璺�?/p>
9
銆佺敱
AT89C51
鏋勬垚鐨勫崟鐗囨満鏈�绠�绯荤粺涓紝鍙粰鍗曠墖鏈烘彁渚?/p>
VCC
鍜?/p>
GND
鍗曠墖鏈烘槸涓嶄細宸ヤ綔鐨勶紝
蹇呴』鎻愪緵鐨?/p>
__________
銆?/p>
___________
鍜?/p>
________
杈呭姪褰㈡垚涓�涓渶绠�绯荤粺銆?/p>
10
銆佽嫢鍙渶瑕佸紑涓茶鍙ｄ腑鏂紝鍒欏叾瀵瑰簲鐨勬簮涓柇鍏佽鎺у埗浣嶆槸
__________
锛岃嫢闇�瑕佸皢澶栭儴涓?/p>
鏂?/p>
0
璁剧疆涓轰笅闄嶆部瑙﹀彂锛屽垯鎵ц鐨勮鍙ヤ负
_____________
銆?/p>
11
銆?/p>
C51
涓?/p>
0x75 | 0x42
杩愮畻缁撴灉鏄?/p>
_________
銆?/p>
12
銆?/p>
-25
鐨勫師鐮佹槸
___________
銆佸弽鐮佹槸
___________
銆佽ˉ鐮佹槸
_________
銆?/p>
13
銆佸浜?/p>
51
瀛愮郴鍒楀崟鐗囨満锛屼富瑕佹湁
________
銆?/p>
___________
銆?/p>
_________
涓夌鏈哄瀷銆?/p>
14
銆佷慨楗扮
interrupt
m
涓?/p>
m
鐨勫彇鍊间负
0
瀵瑰簲鐨勪腑鏂儏鍐垫槸
__________
涓柇銆?/p>
15
銆?/p>
TCON
涓?/p>
IT0(IT1)
琛ㄧず
__________
銆?/p>
16
銆?/p>
5l
瀛愮郴鍒楀崟鐗囨満鐗囧唴鏈変袱涓?/p>
____
浣嶇殑瀹氭椂璁℃暟鍣ㄣ�?/p>
浜屻�侀�夋嫨棰橈紙姣忓皬棰?/p>
1
鍒嗭紝鍏?/p>
20
鍒嗭級
1
銆佷竴瀛楄妭琛ョ爜鎵�鑳借〃绀虹殑鏁存暟鑼冨洿鏄紙
A
锛?/p>
銆?/p>
A
銆?/p>
锛?/p>
128
锝烇紜
127
B
銆?/p>
锛?/p>
127
锝烇紜
127
C
銆?/p>
锛?/p>
129
锝烇紜
128
D
銆?/p>
锛?/p>
128
锝?/p>
锛?/p>
128
2
銆?/p>
12MHz
鏅舵尟鐨勫崟鐗囨満鍦ㄥ畾鏃跺伐浣滄柟寮忎笅锛屽畾鏃跺櫒璁′竴涓暟鎵�鐢ㄧ殑瀹氭椂鏃堕棿鏄紙
A
锛?/p>
A
銆?/p>
1
飦?/p>
s
B
銆?/p>
2
飦?/p>
s
C
銆?/p>
4
飦?/p>
s
D
銆?/p>
8
飦?/p>
s
3
銆侀�氳繃涓茶鍙ｅ彂閫佹垨鎺ユ敹鏁版嵁鏃讹紝鍙戦�佹垨鎺ユ敹鐨勬暟鎹殏瀛樺湪锛?/p>
D
锛夊瘎瀛樺櫒涓�?/p>
A
銆?/p>
SCON B
銆?/p>
PCON C
銆?/p>
TMOD D
銆?/p>
SUBF
4
銆?/p>
鍦ㄥ崟鐗囨満鎵╁睍绯荤粺涓紝
8051
鍋氫负鍦板潃鎬荤嚎鍜屾暟鎹�荤嚎鍒嗘椂澶嶇敤鐨勭鍙ｆ槸锛?/p>
A
锛?/p>