绗?/p>
1
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鍏?/p>
7
椤?/p>
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绠?/p>
鏈?/p>
鎺?/p>
鍙?/p>
鎶�
鏈?/p>
澶?/p>
涔?/p>
棰?/p>
涓�銆?/p>
濉┖棰?/p>
锛?/p>
1
锛?/p>
8255A
绔彛
B
鍙伐浣滃湪
_________0____
銆?/p>
_____1________
鏂瑰紡涓?/p>
娉細
A
鍙ｅ伐浣滃湪
0
銆?/p>
1
銆?/p>
2
鏂瑰紡涓?/p>
2
锛変腑鏂垎涓轰袱澶х被
____
鍐呴儴涓柇
_________
鍜?/p>
____
澶栭儴涓柇
_________
銆?/p>
3
锛?/p>
CPU
涓庡璁句箣闂存湁浜ゆ崲鐨勪俊鎭湁
_____
鐘舵�佷俊鎭?/p>
________
銆?/p>
_____
鎺у埗淇℃伅
________
鍜屾暟鎹?/p>
淇℃伅銆?/p>
4
锛?/p>
8253
瀹氭椂
/
璁℃暟鑺墖涓紝
CLK
鍜?/p>
GATE
鎵�璧风殑浣滅敤鍒嗗埆鏄?/p>
_____
璁℃暟鑴夊啿
________
鍜?/p>
_____
鐢ㄤ簬瀹氭椂
/
璁℃椂鐨勫惎鍔?/p>
/
鍋滄
,
鍏佽
/
绂佹
________
銆?/p>
5
锛夋帶鍒跺井鍨嬭绠楁満涓庡璁句箣闂寸殑淇℃伅浜ゆ崲鏈?/p>
4
绉嶆柟寮忥紝鍒嗗埆鏄▼搴忔帶鍒舵柟寮忋�?/p>
__DMA
鎺у埗
__________
鏂瑰紡銆?/p>
___
涓柇鎺у埗鏂瑰紡
__________
鏂瑰紡銆?/p>
I/O
閫氶亾鏂瑰紡銆?/p>
6
锛?/p>
8255
鐨?/p>
A1
鍜?/p>
A0
寮曡剼鍒嗗埆杩炴帴鍦ㄥ湴鍧�鎬荤嚎鐨?/p>
A1
鍜?/p>
A0
锛?/p>
褰撳懡浠ょ鍙ｇ殑鍦板潃涓?/p>
317H
鏃讹紝
鍒?/p>
A
鍙ｃ�?/p>
B
鍙ｃ�?/p>
C
鍙ｇ殑鍙ｅ湴鍧�鍒嗗埆涓?/p>
___314h__________
銆?/p>
____315h_________
銆?/p>
______316h_______
銆?/p>
7)1
涓腑鏂被鍨嬪彿涓?/p>
01CH
鐨勪腑鏂湇鍔＄▼搴忓瓨鏀惧湪
0100H
锛?/p>
3600H
寮�濮嬬殑鍐呭瓨涓紝鍒欎腑
鏂悜閲忓瓨鍌ㄥ湪鍦板潃涓?/p>
0070h
鑷?/p>
0073h
鐨勫洓涓唴瀛樺崟鍏冧腑銆?/p>
娉細
涓�涓腑鏂被鍨嬪彿涓?/p>
01CH
鐨勪腑鏂鐞嗙▼搴忓瓨鏀惧湪
0100H
锛?/p>
3800H
寮�濮嬬殑鍐呭瓨涓紝涓柇鍚戦噺
瀛樺偍鍦ㄥ湴鍧�涓?/p>
____0070H_____
鑷?/p>
___0073H_____
鐨?/p>
___4___
涓瓧鑺備腑
浜屻�?/p>
鍗曢」閫夋嫨棰?/p>
寰楀垎
闃呭嵎浜?/p>
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鈥?