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IDTECH SREDKey, Tech Note

The IDTECH SREDKey is a cutting-edge device designed to enhance payment security. Its user manual, available for free download on our website, offers detailed instructions and insightful Tech Notes. Discover the full potential of this remarkable product by accessing the manual at manualshive.com.

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Tech Note #013

SREDKey Tamper Detection

Rev. A

Revised 1/16/2017

International Technologies & Systems Corporation

10721 Walker Street, Cypress, CA 90630-4720; Tel: (714) 761-6368; Fax (714) 761-8880

www.idtechproducts.com

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Summary of Contents for SREDKey

Page 1: ...Note 013 SREDKey Tamper Detection Rev A Revised 1 16 2017 International Technologies Systems Corporation 10721 Walker Street Cypress CA 90630 4720 Tel 714 761 6368 Fax 714 761 8880 www idtechproducts...

Page 2: ...2017 by ID TECH All rights reserved This document is confidential and proprietary and designed for use by ID TECH customers only It may not be reproduced or disseminated without the explicit permissio...

Page 3: ...ed form as one of HTF LTF HVF3 HBF LBF SDI1 SDI2 HVF1 or VGF These abbreviations are explained in the table further below Note When powering on for the first time after triggering tamper the LCD will...

Page 4: ...nerate a DRS LTF Low Temperature Flag When set this bit indicates that the enabled TMPENL 1 temperature sensor has detected the chip temperature below 60 C and caused a DRS It is typically interrogate...

Page 5: ...cates that the external tamper detection circuitry has been triggered and caused a DRS by activating SDI1 The flag is typically interrogated to determine if a DRS was caused by the SDI1 The SDI1 input...

Page 6: ...reset VGF Voltage Glitch Failure When set this bit indicates that the enabled GLIEN 1 voltage glitch monitor has detected a 1 5V negative positive glitch from VDDIO or VDDC that exceeded 20 ns in dur...

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