Dec 21, 2007 #1 A agk.ganesh Newbie level 5 Joined Dec 17, 2007 Messages 9 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,333 Hi all I am a very beginner.... For my mUC project... i am using ADC 0808 tooo... it need 500KHz clock pulse.. But i have 10MHz crystal clock for my mUC! How to divide that 10MHz clock pulse n give it to ADC??? Pls help me... Thanksss Waitng for repliesss
Hi all I am a very beginner.... For my mUC project... i am using ADC 0808 tooo... it need 500KHz clock pulse.. But i have 10MHz crystal clock for my mUC! How to divide that 10MHz clock pulse n give it to ADC??? Pls help me... Thanksss Waitng for repliesss
Dec 21, 2007 #2 M manish12 Advanced Member level 3 Joined Nov 21, 2006 Messages 983 Helped 66 Reputation 132 Reaction score 33 Trophy points 1,308 Activity points 6,117 use counter chip cd 4040 or else use Q4 /Q5 /Q6 but better , use 555 in astable mode
Dec 21, 2007 #3 A agk.ganesh Newbie level 5 Joined Dec 17, 2007 Messages 9 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,333 Thanks.... Hi can u ... explain a little more... wat is that Q4/Q5/Q6??? Y do u say 555 astabble is better???
Thanks.... Hi can u ... explain a little more... wat is that Q4/Q5/Q6??? Y do u say 555 astabble is better???
Dec 21, 2007 #4 M manish12 Advanced Member level 3 Joined Nov 21, 2006 Messages 983 Helped 66 Reputation 132 Reaction score 33 Trophy points 1,308 Activity points 6,117 ADC0808/9 i am used 400-500 times, a good exp abt it. while driving its clock from xtal , there may be a problem of interfacing of such high frq, signal to the ttl ckts , . still req one chip . so go for separate clock using 555 , 2 r , 2c, 1 d ....cheap too and can be treble shout easily if there is any problem
ADC0808/9 i am used 400-500 times, a good exp abt it. while driving its clock from xtal , there may be a problem of interfacing of such high frq, signal to the ttl ckts , . still req one chip . so go for separate clock using 555 , 2 r , 2c, 1 d ....cheap too and can be treble shout easily if there is any problem
Dec 21, 2007 #5 N nadhem Newbie level 2 Joined Dec 21, 2007 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,286 it is really helpful thanks guys
Dec 23, 2007 #6 F Fernando Vasquez Junior Member level 3 Joined Dec 11, 2007 Messages 30 Helped 4 Reputation 8 Reaction score 1 Trophy points 1,288 Location Peru Activity points 1,420 555 in astable mode is cheaper and easier, you can calculate the values here: **broken link removed** Try Vcc=5; R1=1,2; R2=1,8; C=600
555 in astable mode is cheaper and easier, you can calculate the values here: **broken link removed** Try Vcc=5; R1=1,2; R2=1,8; C=600
Dec 23, 2007 #7 glenjoy Banned Joined Jan 1, 2004 Messages 962 Helped 72 Reputation 146 Reaction score 20 Trophy points 1,298 Location Philippines Activity points 0 agk.ganesh said: Hi all I am a very beginner.... For my mUC project... i am using ADC 0808 tooo... it need 500KHz clock pulse.. But i have 10MHz crystal clock for my mUC! How to divide that 10MHz clock pulse n give it to ADC??? Pls help me... Thanksss Waitng for repliesss Click to expand... Use the timer/counter module of your micro.
agk.ganesh said: Hi all I am a very beginner.... For my mUC project... i am using ADC 0808 tooo... it need 500KHz clock pulse.. But i have 10MHz crystal clock for my mUC! How to divide that 10MHz clock pulse n give it to ADC??? Pls help me... Thanksss Waitng for repliesss Click to expand... Use the timer/counter module of your micro.