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USB Superspeed Peripherals

New Contributor II

Hello

From AN76405, I2C EERPOM specifications are below.
ROM size: Up to 128kB(1024kb)×4, 128kB is recommended for microchip 24LC1025.
Q)
Are there any restrictions on the operating specifications?
1.Page write size (128LC for 24LC1025)
2. Writing time
3. Other

Best Regards

Arai

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Moderator
Moderator

Hello Arai,

There are no restrictions on the operating specification of the devices recommended.

24LC1025 is compatible and tested as mentioned in AN76405.

Please refer to section 5.2.1 in AN76405.

Thanks,

Yatheesh

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Moderator
Moderator

Hello Arai,

There are no restrictions on the operating specification of the devices recommended.

24LC1025 is compatible and tested as mentioned in AN76405.

Please refer to section 5.2.1 in AN76405.

Thanks,

Yatheesh

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New Contributor II

Hello Yatheesh san

Thank you for you reply.

Is it possible to use 1.8V, page write size 256Byte products?
Product example microchip AT24CM01 /   OnSemi CAT24M01

Best Regards

Arai

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Moderator
Moderator

Hello Arai,

Yes, you can use 1.8V level EEPROM. Please ensure that the VIO5 power domain is powered to 1.8V.

Also, FX3 supports 256 Byte page size. The Fx3 CYUSB3-KIT Superspeed Explorer Kit uses a 256 byte page size  EEPROM.

Thanks,

Yatheesh

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CYUSB3KIT-003 EZ-USB® FX3™ SuperSpeed Explorer Kit

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New Contributor II

Hello Yatheesh san

I want to know how to change the page write byte count to 256 bytes.
Please tell me where to refer to the document

Best Regards

Arai

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Moderator
Moderator

Hello Arai,

The FX3 Bootloader code will handle the I2C communication with the EEPROM. It is compatible with 256 Byte page size.

The user need not configure the page size.

Thanks,

Yatheesh

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