1.3.2 Additional On-Board Crypto Device

An optional SOIC footprint is located on the backside of the board, allowing for the installation of an additional CryptoAuthentication or CryptoAutomotive device. This footprint can be utilized to support the development of specialized applications, integrate newer secure elements or implement customer-specific provisioned versions.
Figure 1-4. Optional SOIC-8 Footprint

Supported Devices

The following devices can be soldered onto the board: ATSHA204A, ATECC608x (all versions), TA10x, ECC204, SHA104, SHA105 and TA010. Although other legacy devices may be compatible, only devices recommended for new designs are listed here.

Requirements:
  • The device must be in an 8-pin SOIC package.
  • The device must use the I2C Interface (SWI and SPI are not supported).
  • The device must have an I2C address unique from the four ATECC608C devices also mounted on the board.
Tip: For devices that support additional signals or GPIOs, these are accessible via test pads TP501 through TP504. Users have the flexibility to determine how these signals are connected to the board.