CY8CMBR3116 Xres and Hi design rules

[ThBi_3905606]

Hello,

I am drawing my shematics, and I ask my self how to make a good connexion between my Host and two or more CY8CMBR3116.

For what I know, reading the datasheet, is  I have a pull up resistor for the Hi pin.

I understand, the Xres pin is an active low external reset. In order to give to each 3116 IC is own I2C address, I want reset all the other IC. I was thinking connect each 3116 's Xres pin to differents digital pin of the Host, with a pull up resistor, I am correct ?

[Vison_Zhang · Accepted solution]

MBR3116 XRES pin has an internal 40K ohm pull-up resistor, but i think you are correct, use one external pull-up resistor (like 4.7K + 104 cap) is recommended circuit if you want to control XRES pin use host IO.