Difference between revisions of "RPI-I2C-HUB"
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[[File:I2C-RPT-01_-6026_CCA-640px.jpg]] | [[File:I2C-RPT-01_-6026_CCA-640px.jpg]] | ||
| + | |||
| + | == Features == | ||
| + | |||
| + | * 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 18:23, 29 December 2019
I2C Hub for the Raspberry Pi
Features
- 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
