绮惧績鏁寸悊
2019
骞达紞
9
鏈?/p>
鍗曠墖鏈哄師鐞嗐�佹帴鍙ｅ強搴旂敤鈥斺�斿祵鍏ュ紡绯荤粺鎶�鏈熀纭�
涔犻瑙ｇ瓟
棰勫绡?/p>
璁＄畻鏈虹殑鍩虹鐭ヨ瘑
0.1 40H,62H,50H,64H,7DH ,FFH
0.2 812 ,104, 213, 256, 2936, 941
0.3
鍗佽繘鍒舵暟
鍘熺爜
琛ョ爜
鍗佽繘鍒舵暟
鍘熺爜
琛ョ爜
28
1CH
1CH
250
FAH
FAH
-28
9CH
E4H
-347
815BH
FEA5H
100
64H
64H
928
03A0H
03A0H
-130
8082H
FF7EH
-928
83A0H
FC60H
0.4
鏈哄櫒鏁扮湡鍊煎垎鍒负
: 27,233,
锛?/p>
128,
锛?/p>
8,14717,31467,
锛?/p>
27824,
锛?/p>
12478
0.5
(1) 33H+5AH
锛?/p>
8DH, OV=1, CY=0
銆?/p>
(2) -29H-5DH
锛?/p>
7AH, OV=0, CY=1
銆?/p>
(3) 65H-3EH
锛?/p>
27H, OV=0, CY=1
銆?/p>
(4) 4CH-68H
锛?/p>
E4H, OV=0, CY=0
銆?/p>
0.6
鍗佽繘鍒舵暟
鍘嬬缉
BCD
鏁?/p>
闈炲帇缂?/p>
BCD
鏁?/p>
ASCII
鐮?/p>
38
38H
0308H
3338H
255
255H
020505H
323535H
483
483H
040803H
343833H
764
764H
070604H
373634H
1000
1000H
01000000H
31303030H
1025
1025H
01000205H
31303235H
0.7 ASCII
鐮佽〃绀虹殑鍗佸叚杩涘埗鏁板垎鍒负
: 105H, 7CAH, 2000H,8A50H
鍩虹绡?/p>
绗?/p>
1
绔犮�?/p>
MCS-51
鍗曠墖鏈虹粨鏋?/p>
1.1
鍗曠墖寰瀷璁＄畻鏈?/p>
(
鍗冲崟鐗囨満
)
鏄寘鍚?/p>
CPU
銆佸瓨鍌ㄥ櫒鍜?/p>
I/O
鎺ュ彛鐨勫ぇ瑙勬ā闆嗘垚鑺墖
,
鍗冲畠鏈韩鍖呭惈浜嗛櫎澶栭儴璁惧浠ュ
鏋勬垚寰満绯荤粺鐨勫悇涓儴鍒?/p>
,
鍙渶鎺ュ璁惧嵆鍙瀯鎴愮嫭绔嬬殑寰満搴旂敤绯荤粺銆?/p>
寰満澶勭悊鍣ㄤ粎涓?/p>
CPU,CPU
鏄瀯涓嶆垚鐙珛鐨勫井
鏈虹郴缁熺殑銆?/p>
1.2
鍙傝鏁欐潗
1.1.1
鑺?/p>
1.3
鍙傝鏁欐潗绗?/p>
6
椤佃〃鏍?/p>
1.4
鍙傝鏁欐潗琛?/p>
1.4
1.5
鍙傝鏁欐潗琛?/p>
1.1
鍜岃〃
1.2
1.6
褰?/p>
PSW=10H
琛ㄦ槑閫変腑鐨勪负绗簩缁勯�氱敤瀵勫櫒
R0~R7
鐨勫湴鍧�涓?/p>
10H~17H
1.7
绋嬪簭瀛樺偍鍣ㄥ拰鏁版嵁瀛樺偍鍣ㄥ敖绠″湴鍧�鐩稿悓
,
浣嗗湪鏁版嵁鎿嶄綔鏃?/p>
,
鎵�浣跨敤鐨勬寚浠や笉鍚?/p>
,
閫夐�氫俊鍙蜂篃涓嶅悓
,
鍥犳涓嶄細鍙戠敓閿?
璇�?/p>
1.8
鍐呴儴鏁版嵁
绋嬪簭
澶栭儴鏁版嵁
绋嬪簭
1.9
鎸崱鍛ㄦ湡
=0.1667
渭
s
鏈哄櫒鍛ㄦ湡
=2
渭
s
鎸囦护鍛ㄦ湡
=2~8
渭
s
1.10 A=0,PSW=0,SP=07,P0~P3=FFH
绗?/p>
2
绔犮�?/p>
51
绯诲垪鍗曠墖鏈虹殑鎸囦护绯荤粺
2.1
鍙傝鏁欐潗
2.1
鑺?/p>
2.2
鍥犱负
A
绱姞鍣ㄨ嚜甯﹂浂鏍囧織
,
鍥犳鑻ュ垽鏂煇鍐呴儴
RAM
鍗曞厓鐨勫唴瀹规槸鍚︿负闆?/p>
,
蹇呴』灏嗗叾鍐呭閫佸埌
A,JZ
鎸囦护鍗冲彲杩涜鍒?
鏂�?/p>
2.3
褰?/p>
A=0
鏃?/p>
,
涓ゆ潯鎸囦护鐨勫湴鍧�铏界劧鐩稿悓
,
浣嗘搷浣滅爜涓嶅悓
,MOVC
鏄鍧�绋嬪簭瀛樺偍鍣?/p>
,MOVX
鏄鍧�澶栭儴鏁版嵁瀛樺偍鍣?/p>
,
閫佸叆
A
鐨勬槸涓や釜涓嶅悓瀛樺偍绌洪棿鐨勫唴瀹广�?/p>
2.4
鐩殑鎿嶄綔鏁?/p>
婧愭搷浣滄暟
瀵勫瓨鍣?/p>
鐩存帴
SP
闂存帴瀵诲潃
鐩存帴
鐩存帴
鐩存帴