|
CM2004 Datasheet, PDF (3/7 Pages) SHANGHAI BELLING CO., LTD. – CM2004 | |||
|
◁ |
8ä½MASKåçæºè¯çCM2004
CM2004 ç³»ç»æ¡å¾
CM2004 å
¼å®¹ PIC16C56ï¼ä½ä¸¤è
å¨ä»¥ä¸æ¹é¢ææä¸åï¼ 1) CM2004 端å£è®¾è®¡ä¸å¯ MASK ç¼ç¨ï¼ä¸æã
ä¸æãå¼æ¼ï¼ï¼2) æ令系ç»è¯ç ä¸åï¼3) CM2004 éç¨äºæ°å·¥èºï¼ææ¬æ´ä½ï¼åèçåæ°æ´ä¼ï¼4ï¼CM2004
ççé¨çåºæ¬æº¢åºå¨æ为 15 毫ç§ï¼5ï¼CM2004 æ大å¯ä»¥æ¯æ 14 个ç¬ç«ç I/Oã为äºæ¹ä¾¿ç¨æ·ï¼è´å²ç½
åå¼åäºç¬æçç¨åºè¿æ»¤å¨ï¼å¯ä»¥çæé对 PIC16C5X çç¨åºä»£ç ç¿»è¯æéäº CM2004 è¿è¡çç¨åºä»£ç ï¼
æ¹ä¾¿çè¿è¡ç¨åºç§»æ¤ã
ç±äºå¯åå¨å管èå
¼å®¹ï¼CM2004 çç¨åºå¼åå¯åç
§ PIC16C56 æ§è¡ãä¸é¢ä»
对çé¨çãå¤ä½ãæ¯è¡
ççµè·¯åéç¹ä»ç»ã
5.1 çé¨ç
çé¨ç计æ¶å¨ï¼WATCH DOG TIMERï¼æ¯ä¸ä¸ªçå
èªæ¯å¼ç RC æ¯è¡è®¡æ¶å¨ãå³ä½¿è¯ç OSC1/OSC2 ä¸æ¯
è¡åæ¢ï¼ä¾å¦è¿å
¥ SLEEPï¼ï¼WDT ç
§æ ·ä¿æ计æ°ãWDT 计æ¶æº¢åºå°äº§çå¤ä½ãWDT åºæ¬æº¢åºå¨æ为 15msï¼
å¦æéè¦æ´é¿ç WDT å¨æï¼å¯ä»¥æé¢åé¢å¨åé
ç» WDTãâCLRWDTâåâSLEEPâæ令å°æ¸
é¤ WDT 计æ¶å¨
以åé¢åé¢ï¼å½é¢åé¢å¨åé
ç» WDT æ¶ï¼ãçé¨çå¯ä»¥éè¿ MASK æ¹å¼éæ©æå¼æå
³éã
5.2 æ¯è¡
CM2004 çæ¯è¡çµè·¯å¯ä»¥éè¿ MASK æ¹å¼å¨ RC/XT/LP çæ¹å¼ä¸éæ©ã
5.2.1 é»å®¹æ¯è¡
å½éç¨ä½ææ¬çé»å®¹æ¯è¡ï¼RCï¼æ¹å¼æ¶ï¼çµå®¹å·²ç»å
ç½®ï¼å¤æ¥ä¸ä¸ª 10K çä¸æçµé»å¯ä»¥è·å¾ 6MHz
å·¦å³çæ¯è¡é¢çï¼æ¤æ¶ OSC2 è¾åº 4 åé¢åçæ¯è¡ä¿¡å·ã
CM2004 RC æ¯è¡æ¨¡å¼çµè·¯å¾
5.2.2 æ¶ä½æé¶ç·æ¯è¡
ç¨ç³è±æ¶ä½æé¶ç·è°æ¯å¨æ¯è¡æ¯åçæºæç»å
¸ç产çå·¥ä½æ¶éæ¹å¼ãCM2004 æ两个å¼è OSC1 å
OSC2 ä¸é¨ç»ç¨æ·å¤æ¥ç³è±æ¶ä½æé¶ç·è°æ¯å¨äº§çä¸ä¸ªé«ç¨³å®çæ¯è¡é¢çãCM2004 æä¾äºä¸ä¸ªæ åçæ¶
éçµè·¯ï¼å¦ä¸å¾æ示ã
http://www.belling.com.cn
-3-
Total 7 Pages
8/24/2006
Wrote by dipeng
|
▷ |