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OPTIGA TRUST ADAPTER
OPTIGA™ Trust Adapter
User Guide
About this document
Scope and purpose
This document describes the OPTIGA™ Trust Adapter.
The OPTIGA™ Trust Adapter is a PCB adapter for easy and fast evaluation of OPTIGA™ embedded security
solutions. The add-on boards shown in this document are not part of the OPTIGA™ Trust Adapter and have to
be ordered separately.
Intended audience
This document is intended for system design and verification engineers, who use the OPTIGA™ Trust Adapter
for the evaluation of OPTIGA™ embedded security solutions.
User guide
Please read the sections "Important notice" and "Warnings" at the end of this document
Revision 1.0
www.infineon.com
2024-06-04
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Summary of Contents for Infineon OPTIGA Trust Adapter
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Page 1: About This Document
OPTIGA TRUST ADAPTER OPTIGA™ Trust Adapter User Guide About this document Scope and purpose This document describes the OPTIGA™ Trust Adapter. The OPTIGA™ Trust Adapter is a PCB adapter for easy and fast evaluation of OPTIGA™ embedded security solutions. The add-on boards shown in this document are not part of the OPTIGA™ Trust Adapter and have to be ordered separately. -
Page 2: Table Of Contents
OPTIGA™ Trust Adapter User Guide Table of contents Table of contents About this document ........................1 Table of contents ..........................2 Introduction .......................... 3 Pinout ........................... 4 Add-on boards ........................5 mikroBUS ..............................5 Shield2Go ..............................5 Level shifters ......................... 6 Voltage class jumper .......................... -
Page 3: Introduction
OPTIGA™ Trust Adapter User Guide 1 Introduction Introduction The OPTIGA™ Trust Adapter is a PCB adapter to connect add-on boards or sample chips from the OPTIGA™ product family to microcontroller evaluation kits with Arduino compatible connectors. • Add-on boards can be connected via the mikroBUS or Shield2Go compatible sockets •... -
Page 4: Pinout
OPTIGA™ Trust Adapter User Guide 2 Pinout Pinout Figure 2 describes the pinout of the OPTIGA™ Trust Adapter. For easier readability the signals are hightlighted in colors which are described in the legend. Figure 2 OPTIGA™ Trust Adapter pinout User guide Revision 1.0 2024-06-04... -
Page 5: Add-On Boards
OPTIGA™ Trust Adapter User Guide 3 Add-on boards Add-on boards The OPTIGA™ Trust Adapter has sockets for mikroBUS and Shield2Go compatible add-on boards. Please note: The SPI Chip Select (CS) signal signal is shared between the mikroBUS and Shield2Go socket, therefore the SPI bus cannot be shared by the sockets. -
Page 6: Level Shifters
OPTIGA™ Trust Adapter User Guide 4 Level shifters Level shifters Supply voltage is typically 5.0 V as common voltage for the boards compatible with Arduino Uno. Level shifting is available to convert the logic level. Possible combinations of Target and Host Voltage are shown in Table 1. -
Page 7: Voltage Class Jumper
OPTIGA™ Trust Adapter User Guide 4 Level shifters Voltage class jumper Use the voltage class jumpers (J1 & J2) shown in Figure 5 to set the level shifting appropriately. • Target Voltage (J1): VREF_A o PWR_EXT o 1V8 (Voltage regulator) o 3V3 (X302 or voltage regulator) o 5V (X302) •... -
Page 8: Level Shifter Bypass
OPTIGA™ Trust Adapter User Guide 4 Level shifters Level shifter bypass The level shifters (U2, U4) can be bypassed. • E.g. if host and target logic level is 5V (see LSF0108QPWRQ1 datasheet) To bypass the level shifters. • Disable level shifters by removing R1 & R2 on the bottom side, see Figure 6 •... -
Page 9: Additional Features
OPTIGA™ Trust Adapter User Guide 5 Additional features Additional features Power LEDs The target voltage (VREF_A) and the host voltage (VREF_B) are indicated by LED D1 and LED D2. Host LED The LED D8 is connected to connector X303 pin 10 and can be controlled by the connected host. Current measurement The jumper J4 can be used to measure the current at the VDDP pin. -
Page 10: Example Use Case
OPTIGA™ Trust Adapter User Guide 6 Example use case Example use case In Figure 9 the OPTIGA™ Trust Adapter is used to connect the OPTIGA™ Trust M shield to PSoC™ 62S2 Wi-Fi BT Pioneer Kit. Both PSoC™ and OPTIGA™Trust M are using 3.3 V logic levels therefore both voltage class jumpers are configured to 3V3. -
Page 11: System Design
OPTIGA™ Trust Adapter User Guide 7 System design System design Schematics Figure 9 OPTIGA™ Trust Adapter schematic User guide Revision 1.0 2024-06-04... -
Page 12: Bill Of Material
5-Pin SCT-595 T/R Connector details Table 3 Connectors Label Function Socket for Infineon Target Adapter Extended ISO7816 connector Socket for Add-on boards with Shield2Go compatible connector mikroBUS Socket for Add-on boards with mikroBUS compatible connector X301, X302, X033, X304 Arduino compatible connectors User guide Revision 1.0... -
Page 13: Glossary
OPTIGA™ Trust Adapter User Guide Glossary Glossary printed circuit board (PCBP) chip select (CS) User guide Revision 1.0 2024-06-04... -
Page 14: Revision History
OPTIGA™ Trust Adapter User Guide Revision history Revision history Document Date Description of changes revision 2024-06-04 Initial release User guide Revision 1.0 2024-06-04... -
Page 15: Disclaimer
Email: use of the product of Infineon Technologies in CSSCustomerService@infineon.com customer’s applications. The data contained in this document is exclusively Document reference intended for technically trained staff. It is the responsibility of customer’s technical departments...
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