External MCU Communication by I2C
Posted on March 07, 2014 at 13:34The original post was too long to process during our migration. Please click on the attachment to read the original post.
Forum Posts
Resolved! Solved: Another mistake in M24SR datasheet
Posted on April 02, 2014 at 12:27Hi, as [DEAD LINK /public/STe2ecommunities/memories/Lists/M24SR%20Series/Flat.aspx?RootFolder=/public/STe2ecommunities/memories/Lists/M24SR%20Series/M24SR%20-%20mistake%20in%20table%2067%20Datasheet&FolderCTID=0x0120...
Resolved! Demo CR95HF-A ISO 15963 max range
Posted on January 23, 2014 at 11:23Hi, I'm trying to achieve the maximum reading range from my demoboard CR95HF-A with a ISO 15693 tag (LRi2K). Until now I've obtained best results with modulation-index 10% and gain 34dB by writing 0x50 to ARC_B reg...
Resolved! M24LR04E-R time to ready from power-up?
Posted on March 17, 2014 at 12:24Hi all, I'm looking for an indication of worst-case time-to-ready: i.e. from power-up - assume external VCC, not induced power - to fully commandable from I2C. I've searched the datasheet (DocID022208 rev 8) from end...
Resolved! Solved: M24SR not working when soldering headers :(
Posted on March 20, 2014 at 10:58Hi everybody!It's my first post here and it's my first time working with STMicroElectronics stuff so please be aware I will probably ask very simple or even stupid questions. Please have some patience with me! :)By t...
Resolved! Bug in CR95HF development software
Posted on March 19, 2014 at 13:44First of all: I really like the software for DEMO-CR95HF-A. But there is an issue with the scripting tool: The command CR95HF_ISO14443-A_SEND_APDU, 00A4040007a0000000030000 should be translated intoCR95HFDLL_SENDRECV...
Resolved! i2c issues during write when RF field of reader is in range
Posted on March 10, 2014 at 17:29Hi,I am sending this message because I am facing an issue using the M24LR16E-R.My i2c communication between my microcontroller and the M24LR16 chip works perfectly (I am able to read and write the entire memory multi...
Resolved! m24lr64e first time programming/ reading
Posted on March 06, 2014 at 14:50Hi, We have a custom board made using M64LR64E. Using an android phone, without powering up, will the EEPROM work directly as a NFC tag? Or should it be programmed/ configured first using I2C? We are unable to detec...
Resolved! presence of multiple tags
Posted on March 05, 2014 at 21:04Hi. I am using CR95HF. I need to identify the presence of multiple iso15693 tags ( placed on the same time ). I need to know how the amount of tags only. Is ther a command or algorithm ?. Please Advise. Ephraim Oved...
Resolved! Trouble enabling read and write password verification
Posted on February 25, 2014 at 21:26 Update: It looks like you do have to send the write password with the verify command before calling the enable or disable verification commands when modifying either the read or write permissions. You can then ...