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CY7C68013A and I2C slave device with 1.8v interface
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CY7C68013A and I2C slave device with 1.8v interface

BCA posted on 10 Apr 2013 1:44 AM PST

1 Forum Post

 Hi,

I would like to connect an I2C slave device to the CY7C68013A. The problem is that the slave device pins use 1.8v. The slave device pins are the following:

- SDA: 1.8v

- SCL: 1.8v

- INT: 1.8v (interrup control pin)

- RESET: 1.8v

I have been thinking to use a bidirectional voltage level translator ic for the 4 pins (i.e.: NXP NVT2004).

Is there are any alternative way to do it?

Is there any known problem using a bidirectional voltage level translator for this task?




Re: CY7C68013A and I2C slave device with 1.8v interface

NIKL posted on 11 Apr 2013 01:17 AM PST
Cypress Employee
148 Forum Posts

If the I2C slave cannot handle 3.3 V signals, then using a level translator is a solution.






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