Post by thread:microcontroller

I've received some ideas about the microcontroller I asked about. These include internal EPROM, not EEPROM and external serial EEPROM for data storage. I don't want to use EPROM if possible as it makes program development slower. As for serial EEPROM, doesn't that have a limited number of write cycles?? Bryan -- --------------------------------- BRYAN CROTAZ - spam_OUTb.crotazTakeThisOuTic.ac.uk --------------------------------- TECHNICAL MANAGER Student Television Of Imperial College Beit Quad, Prince Consort Road London SW7 2BB Tel. 071-594-8104 Fax. 071-225-2309 attn. STOIC

Bryan, I'm not sure if this will work in your situation, but Ramtron International Corp. makes a serial (i2c) non-volatile memory that can handle one or two orders of magnitude greater write cycles than EEPROMs. Right now, 4Kbit (FM24C04) is available. It also can be written to on the fly--just like the EEPROM (except no charge-pump). This really isn't an ad, but I thought you might find it useful for your application. For more info, e-mail to me: Greg Smith Design Engineer, Ramtron Int'l Corp. .....gregKILLspam@spam@ramtron.com BTW, someone here created an "EEPROM killer" board using 2 PICs. It destroys (with multiple writes to the same location) competitor's serial EEPROMs in about 7 minutes. Rough calculations show that our FM24C04 will last approx 56 days even considering that the EEPROMS take multiple msecs to write, while our writes are hidden in one 400KHz clock cycle (we haven't yet killed one of ours).

On Aug 19, 16:31, Greg Smith wrote: {Quote hidden}> Bryan, > > I'm not sure if this will work in your situation, but Ramtron > International Corp. makes a serial (i2c) non-volatile memory that can > handle one or two orders of magnitude greater write cycles than > EEPROMs. Right now, 4Kbit (FM24C04) is available. It also can be > written to on the fly--just like the EEPROM (except no charge-pump). > > This really isn't an ad, but I thought you might find it useful for > your application. > > For more info, e-mail to me: > > Greg Smith > Design Engineer, Ramtron Int'l Corp. > gregKILLspamramtron.com > > BTW, someone here created an "EEPROM killer" board using 2 PICs. It > destroys (with multiple writes to the same location) competitor's > serial EEPROMs in about 7 minutes. Rough calculations show that our > FM24C04 will last approx 56 days even considering that the EEPROMS take > multiple msecs to write, while our writes are hidden in one 400KHz > clock cycle (we haven't yet killed one of ours). > > }-- End of excerpt from Greg Smith COuld you tell me who the supplier is for New Zealand, alternatively please send me a data sheet/ product list Charles Manning 26 Rarangi Rd St Heliers Auckland New Zealand Thanx -- Charles

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