Write Protect pin is LOW-Active. This means that by grounding this pin you do memory protection
2014-07-30 9:34 GMT+04:00 <serge.ns...@gmail.com>: > > > So...anything else that could be missing? >> >> >> > Hi, > seems nothing is missed. In this case I'd proceed with an oscilloscope: > 1) ensure the WP (U7.5) is really Low level. > 2) look at the i2c diagram and ensure there is an acnowledge to (page) > write operation > 3) ensure there is long acnowledge delay on the second page write > (otherwise the EEPROM is write protected or some other device responds with > the i2c ACK!) > > You say you use bare metal soft support. Are you sure your i2c diagarm is > correct (correct stop condition)? If not, bytes could be read successfully > but page write may not begin.. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- LinkedIn - http://www.linkedin.com/in/maximpodbereznyy Company - http://www.linkedin.com/company/mentorel Facebook - https://www.facebook.com/mentorel.company -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
