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monero-project / kastelo

The Sekura Monero Hardware Wallet
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Route mechanical detector to ANTI_TAMP #30

Open michaesc opened 6 years ago

michaesc commented 6 years ago

Anti-tamper Logic

The STM32 MCUs often have a pin called 'ANTI_TAMP' near GPIO PC13. Because we're trying to detect intrusion via a mechanical detector switch, it makes sense to reroute the existing PC4 trace to PC13 (or wherever ANTI_TAMP is specified.)