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I2C-trn (I2C voltage translator) basic stamp pic atmel
This I2C-TRN designed ready for 5V to 3.3V translator. It allows 5V system to communicate to 3.3V device without having external 3.3V supply.
This board features innovations that set it apart from other voltage-level translator module. Innovations feature like on-board pull-up resistors, power LED and 3.3 V regulator, which make it ready for 5V to 3.3V translator. It can also use to power up external devices for up to 90mA. The module can be quickly connected directly on to the breadboard. The board is small and compact in size 0.70 x 0.57 inches.
Low-voltage-side reference supply voltage for SCL1 and SDA1
Serial clock line, low-voltage side
Serial data line, low-voltage side
Serial data line, high-voltage side
Serial clock line, high-voltage side
High-voltage-side reference supply voltage for SCL1 and SDA1
On-board 3.3 voltage regulator, pull-up resistors and power LED
Less than 4.5-ns maximum propagation delay to accommodate standard-mode and fast-mode I2C devices
Allows voltage-level translator between
o 1.2V VREF1 and 1.8V, 2.5V, 3.3V, or 5V VREF2
o 1.8V VREF1 and 2.5V, 3.3V, or 5V VREF2
o 2.5V VREF1 and 3.3V, or 5V VREF2
Open-drain I2C I/O ports provides less signal distortion
Small and compact in size 0.70 x 0.57 inches
For more information please see: I2C-TRN User Manual
PCA9306 datasheet: PCA9306.pdf
