Simultaneous I²C Slave Read Out
Hi,
I plan to realize a measurement system with several I²C slaves. All slaves have the same I²C address (there is no hard- or software option to change that). Further I want to execute simultaneous measuremnts. That's the part where it becoumes tricky ;-). For a NON-simultaneous measurement I would use a multiplexer/switch.
Is there a simple IC solution available to access multipe I²C slaves simultaneously? NXP offers an I²C-bus to SPI bridge (SC18IS602B) with internal data buffer. I'm looking for a similar device, which is able to read in multiple I²C devices simultaneously (multiple SDA lines).
Is there any integrated solution available, which allows a simultaneous I²C read out? If not, I will just use a low cost microcontroller for each slave, save the data, and finally read out the stored data by SPI (at a higher system clock).
BR