ҧ лСͺµҧ   ԡ 繵ҧ¹ҹǹҧ
  A to D , LCD , EEPROM, ҹ RS-232 繵

÷ͧǹͧ ҧҹ PIC 16F877 鹨͡Ẻӧҹ 10 MHz ѧ鹡õ駤
 Configuration ͧ OSC еͧ˹ HS ´ҡ CP-PIC V3.0&V4.0

ǹҧͧ PIC 18F442  18F458 鹨͡Ẻӧҹ 10 MHz 蹡ѹ ͧҡ CPU 
ѧǹöӧҹ 2   10 MHz ҡ OSC ¹͡  40MHz ҡǧ͡ٻ ѧҡͧ÷ͺ
÷ӧҹ 40 MHz еͧӡ㹺ҧǹͧѧ 

	# ҧ
	    - ա RS-232 ¹Ңͧ Baudrate ѧ
		ҡ 10 MHz
		     bsf       TXSTA,BREG     ; Hi speed

		¹繤ҷӧҹѺ 40 MHz ѧ
		     bcf       TXSTA,BREG     ; Low speed     
	  -  㹺ҧա ˹ǧ ¹ҡ 10 MHz  40 MHz з Delay ŧ ѧҡ 
	      CPU  40MHz Ǿ CPU ӧҹͷӧҹԴҴ 鷴ͧ¹ Delay դҡ

	  - ¹Ҵѧ㹡еͧ˹ Configuration Ẻ H4 (͡ٻ)  40MHz



	# ҧ ԡ
	     еͧ¹ OSC ѧ
	 
	    ҡ 10 MHz 
	         #DEFINE   OSC    10

	   繤 40 MHz ѧ
	         #DEFINE  OSC   40

	   еͧ˹ Configuration Ẻ H4 (͡ٻ) 㹵͹  40MHz