1
CPU
鈬?/p>
MPU
鈬?/p>
MCU
1 CPU
锛?/p>
Central Processing Unit,
涓ぎ澶勭悊鍣級
.........................................................................................1
1.1 CPU
鐨勭粍鎴?/p>
.
...........................................................................................................................................1
1.2 CPU
鐨勫伐浣滃師鐞?/p>
....................................................................................................................................1
2 MPU
锛?/p>
Microprocessor Unit,
寰鐞嗗櫒锛?/p>
.....................................................................................................3
2.1 MPU
鐨勭粍鎴?/p>
.
...........................................................................................................................................3
2.2 MPU
鐨勫垎绫?/p>
.
...........................................................................................................................................3
2.3 MPU
鐨勪綋绯荤粨鏋勶細鍐疯浼婃浖缁撴瀯鍜屽搱浣涚粨鏋?/p>
................................................................................3
2.4 MPU
鐨勫吀鍨嬩唬琛?/p>
:DSP
锛?/p>
Digital Signal Processor,
鏁板瓧淇″彿澶勭悊鍣級
......................................4
3 MCU
锛?/p>
Microcontroller Unit,
寰帶鍒跺櫒
/
鍗曠墖鏈猴級
.....................................................................................5
3.1 MCU
鐨勬蹇?/p>
.
...........................................................................................................................................5
3.2 MCU
鐨勬杩?/p>
.
...........................................................................................................................................5
3.3 MCU
鐨勫垎绫?/p>
.
...........................................................................................................................................6
3.4 MCU
鐨勬灦鏋?/p>
:CISC
鏋舵瀯鍜?/p>
RISC
鏋舵瀯
...................................................................................................6
3.5
甯歌鐨?/p>
MCU
.
...........................................................................................................................................6
3.6 MCU
鐨勫吀鍨嬩唬琛?/p>
:ARM
............................................................................................................................9
4 CPLD
锛?/p>
Complex Programmable Logic Device,
澶嶆潅鍙紪绋嬮�昏緫鍣ㄤ欢
)
...................................................10
5 FPGA
锛?/p>
Field Programmable Gate Array,
鐜板満鍙紪绋嬮棬闃靛垪锛?/p>
.............................................................10
6 DSP,ARM,FPGA
鐨勫尯鍒?/p>
....................................................................................................................................10
1 CPU
锛?/p>
Central Processing Unit,
涓ぎ澶勭悊鍣級
涓ぎ澶勭悊鍣紙
CPU
锛夋槸鐢靛瓙璁＄畻鏈虹殑涓昏鍣ㄤ欢涔嬩竴锛屽叾鍔熻兘涓昏鏄В閲婅绠楁満鎸囦护鍙婂鐞嗚绠楁満杞?/p>
浠朵腑鐨勬暟鎹�?/p>
1.1 CPU
鐨勭粍鎴?/p>
CPU
鐢辫繍绠楀櫒銆佹帶鍒跺櫒鍜屽瘎瀛樺櫒鍙婂疄鐜板畠浠箣闂磋仈绯荤殑鏁版嵁銆佹帶鍒跺強鐘舵�佺殑鎬荤嚎鏋勬垚銆?/p>
杩愮畻鍣細杩涜绠楁湳杩愮畻鍜岄�昏緫杩愮畻
(
閮ㄤ欢
:
绠楁暟閫昏緫鍗曞厓銆佺疮鍔犲櫒銆佸瘎瀛樺櫒缁勩�佽矾寰勮浆鎹㈠櫒銆佹暟鎹�?/p>
绾?/p>
)
銆?/p>
鎺у埗鍣細鎺у埗绋嬪簭鐨勬墽琛?/p>
,
鍖呮嫭瀵规寚浠よ繘琛岃瘧鐮併�佸瘎瀛橈紝骞舵寜鎸囦护瑕佹眰瀹屾垚鎵�瑙勫畾鐨勬搷浣滐紝鍗虫寚浠?/p>
鎺у埗銆佹椂搴忔帶鍒跺拰鎿嶄綔鎺у埗銆傚浣嶃�佷娇鑳?/p>
(
閮ㄤ欢
:
璁℃暟鍣ㄣ�佹寚浠ゆ殏瀛樺櫒銆佹寚浠よВ鐮佸櫒銆佺姸鎬佹殏瀛樺櫒銆佹椂搴?/p>
浜х敓鍣ㄣ�佸井鎿嶄綔淇″彿鍙戠敓鍣?/p>
)
銆?/p>
瀵勫瓨鍣細鐢ㄦ潵瀛樻斁鎿嶄綔鏁般�佷腑闂存暟鎹強缁撴灉鏁版嵁銆?/p>
1.2 CPU
鐨勫伐浣滃師鐞?/p>
CPU
浠庡瓨鍌ㄥ櫒鎴栭珮閫熺紦鍐插瓨鍌ㄥ櫒涓彇鍑烘寚浠わ紝鏀惧叆鎸囦护瀵勫瓨鍣紝骞跺鎸囦护璇戠爜锛屽皢鎸囦护鍒嗚В鎴愪竴绯?/p>
鍒楃殑寰搷浣滐紝鐒跺悗鍙戝嚭鍚勭鎺у埗鍛戒护锛屾墽琛屽井鎿嶄綔锛屼粠鑰屽畬鎴愪竴鏉℃寚浠ょ殑鎵ц銆傚彲鍒嗕负鍥涗釜闃舵锛氭彁鍙?/p>
锛?/p>
Fetch
锛?/p>
銆佽В鐮侊紙
Decode
锛?/p>
銆佹墽琛岋紙
Execute
锛夊拰鍐欏洖锛?/p>
Writeback
锛?/p>
銆?/p>
娉細
鎸囦护鏄绠楁満瑙勫畾鎵ц鎿嶄綔鐨勭被鍨嬪拰鎿嶄綔鏁扮殑鍩烘湰鍛戒护銆?/p>
鎸囦护鏄敱涓�涓瓧鑺傛垨鑰呭涓瓧鑺傜粍鎴愶紝