绗竷绔犻�夋嫨棰樼瓟妗?/p>
锛?/p>
1
锛変粠涓插彛鎺ユ敹缂撳啿鍣ㄤ腑灏嗘暟鎹鍏ュ埌鍙橀噺
temp
涓殑
C51
璇彞鏄?/p>
______
銆?/p>
A
锛?/p>
temp
=
SCON;
B
锛?/p>
temp
=
TCON;
C
锛?/p>
temp
=
DPTR;
D
锛?/p>
temp
=
SBUF;
锛?/p>
2
锛夊叏鍙屽伐閫氫俊鐨勭壒鐐规槸锛屾敹鍙戝弻鏂?/p>
______
銆?/p>
A
锛庤鑹插浐瀹氫笉鑳戒簰鎹?/p>
B.
瑙掕壊鍙崲浣嗛渶鍒囨崲
C .
浜掍笉褰卞搷鍙屽悜閫氫俊
D.
鐩镐簰褰卞搷浜掔浉鍒剁害
锛?/p>
3
锛?/p>
80C51
鐨勪覆鍙ｅ伐浣滄柟寮忎腑閫傚悎澶氭満閫氫俊鐨勬槸
______
銆?/p>
A
锛庡伐浣滄柟寮?/p>
0
B
锛庡伐浣滄柟寮?/p>
1
C
锛庡伐浣滄柟寮?/p>
2
D
锛庡伐浣滄柟寮?/p>
3
锛?/p>
4
锛?/p>
80C51
涓茶鍙ｆ帴鏀舵暟鎹殑娆″簭鏄笅杩扮殑椤哄簭
______
銆?/p>
鈶犳帴鏀跺畬涓�甯ф暟鎹悗锛岀‖浠惰嚜鍔ㄥ皢
SCON
鐨?/p>
RI
缃?/p>
1
鈶＄敤杞欢灏?/p>
RI
娓呴浂
鈶㈡帴鏀跺埌鐨勬暟鎹敱
SBUF
璇诲嚭
鈶ｇ疆
SCON
鐨?/p>
REN
涓?/p>
1
锛屽閮ㄦ暟鎹敱
RXD
杈撳叆
A
锛庘憼鈶♀憿鈶?/p>
B
锛庘懀鈶犫憽鈶?/p>
C
锛庘懀鈶⑩憼鈶?/p>
D
锛庘憿鈶ｂ憼鈶?/p>
锛?/p>
5
锛?/p>
80C51
涓茶鍙ｅ彂閫佹暟鎹殑娆″簭鏄笅杩扮殑椤哄簭
______
銆?/p>
鈶犲緟鍙戞暟鎹�?/p>
SBUF
鈶＄‖浠惰嚜鍔ㄥ皢
SCON
鐨?/p>
TI
缃?/p>
1
鈶㈢粡
TXD
锛堬級涓茶鍙戦�佷竴甯ф暟鎹畬姣?/p>
鈶ｇ敤杞欢灏?/p>
SCON
鐨?/p>
TI
娓呴浂
A
锛庘憼鈶⑩憽鈶?/p>
B
锛庘憼鈶♀憿鈶?/p>
C
锛庘懀鈶⑩憼鈶?/p>
D
锛庘憿鈶ｂ憼鈶?/p>
锛?/p>
6
锛?/p>
80C51
鐢ㄤ覆鍙ｅ伐浣滄柟寮?/p>
0
鏃?/p>
______
銆?/p>
A
锛庢暟鎹粠
RXD
涓茶杈撳叆锛屼粠
TXD
涓茶杈撳嚭
B
锛庢暟鎹粠
RXD
涓茶杈撳嚭锛屼粠
TXD
涓茶杈撳叆
C
锛庢暟鎹粠
RXD
涓茶杈撳叆鎴栬緭鍑猴紝鍚屾淇″彿浠?/p>
TXD
杈撳嚭
D
锛庢暟鎹粠
TXD
涓茶杈撳叆鎴栬緭鍑猴紝鍚屾淇″彿浠?/p>
RXD
杈撳嚭
锛?/p>
7
锛夊湪鐢ㄦ帴鍙ｄ紶閫佷俊鎭椂锛屽鏋滅敤涓�甯ф潵琛ㄧず涓�涓瓧绗︼紝涓旀瘡甯т腑鏈変竴涓捣濮嬩綅銆佷竴涓粨
鏉熶綅鍜岃嫢骞蹭釜鏁版嵁浣嶏紝璇ヤ紶閫佸睘浜?/p>
______
銆?/p>
A
锛庡紓姝ヤ覆琛屼紶閫?/p>
B
锛庡紓姝ュ苟琛屼紶閫?/p>
C
锛庡悓姝ヤ覆琛屼紶閫?/p>
D
锛庡悓姝ュ苟
琛屼紶閫?/p>
锛?/p>
8
锛?/p>
80C51
鐨勪覆鍙ｅ伐浣滄柟寮忎腑閫傚悎鐐瑰鐐归�氫俊鐨勬槸
______
銆?/p>