Posted on May 17, 2011 at 11:59Hello moderator, I must disagree with you, I tested it and it works: the only difference between the 2 I2C apart of speed is that I2C-2 can be handled under interrupts, while i2C-1 not. void upsd_i2c_2_init (void){ P3...
Posted on May 17, 2011 at 11:59Hello, Someone could tell me if it is possible to use both I2C ports 1 and 2 of UPSD3234A but with different speed: - one at 100 KHz to accomodate old componants like SAA1064, - the other at 400 KHz to have communicati...
Posted on May 17, 2011 at 11:58It seems to be that in order to exit the wait condition after receiving own addresse in slave mode, a dummy write in SxDAT register should be done. This info from Zdenek Nyvlt ST MCU support group .
Posted on May 17, 2011 at 11:58It seems definitly that I am not able to make the slave mode working on PSD3234A. I made a lot of tests including: interrupt mode, no interrupt, various bus speed, and always the same result: SCL low after own address ...
