SparkFun Level Translator Breakout - PCA9306
Bidirectional I2C/SMBus voltage-level translator breakout using the PCA9306, for bridging devices running at different logic voltages.
Pinout
- SCL11
I2C clock side 1
Type · I2C - SDA12
I2C data side 1
Type · I2C - VREF13
side 1 logic/reference voltage
Type · Power - GND4
common ground
Type · Ground - EN5
enable input
Type · Control - SCL26
I2C clock side 2
Type · I2C - SDA27
I2C data side 2
Type · I2C - VREF28
side 2 logic/reference voltage
Type · Power - GND9
common ground
Type · Ground
| Pin | Position | Type | Function |
|---|---|---|---|
| SCL1 | 1 | I2C | I2C clock side 1 |
| SDA1 | 2 | I2C | I2C data side 1 |
| VREF1 | 3 | Power | side 1 logic/reference voltage |
| GND | 4 | Ground | common ground |
| EN | 5 | Control | enable input |
| SCL2 | 6 | I2C | I2C clock side 2 |
| SDA2 | 7 | I2C | I2C data side 2 |
| VREF2 | 8 | Power | side 2 logic/reference voltage |
| GND | 9 | Ground | common ground |
Pin details
9 connections- SCL11
I2C clock side 1
I2C - SDA12
I2C data side 1
I2C - VREF13
side 1 logic/reference voltage
Power - GND4
common ground
Ground - EN5
enable input
Control - SCL26
I2C clock side 2
I2C - SDA27
I2C data side 2
I2C - VREF28
side 2 logic/reference voltage
Power - GND9
common ground
Ground
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