Difference between revisions of "RPI-I2C-HUB"

Revision as of 23:12, 29 December 2019

I2C Hub / Repeater / Replicator / Multiplexer / De-multiplexer
- PCA9544A IC
Controlled via I2C
Multiple part vendors
Devices with the same address can be attached to different ports
Host I2 port goes to Raspberry Pi I2C lines
3.3V host operation
Four I2C slave ports
I2C ports can use the Raspberry Pi or have their own power (power source select jumper)
A Raspberry PI which runs 3.3V can control an I2C device which runs at 5V
Voltage translation between the ports
I2C ports can be 3.3V or 5V
Fits in any Raspberry Pi model
Cutout for Model B RCA video jack
Interrupt controller on each channel and host 100KHz/400KHz operation
On-board termination resistors

Revision as of 18:24, 29 December 2019 (view source) Blwikiadmin (talk \| contribs) (→‎Features) ← Older edit		Revision as of 23:12, 29 December 2019 (view source) Blwikiadmin (talk \| contribs) Newer edit →
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	== I2C Hub for the Raspberry Pi ==		== I2C Hub for the Raspberry Pi ==