How to use the M41ST87W tamper detect and RAM clear

说明

• M41ST87W is a supervisory family circuit that provides the industry with the latest in onchip security solutions. The tamper detection and RAM clear circuit can be used in any system to protect sensitive data from tampering. This chip can be used to secure a wide range of applications from credit card machines and point-of-sale (POS) terminals to electric data meters. The M41ST87W features the ability to detect and timestamp any tampering of the system, and corrupt the device memory when the event occurs. This prevents the intruder from accessing data stored in memory by clearing the device memory and/or external RAM when the tampering event occurs