EP2AGZ225HH40I6N 데이터 시트보기 (PDF) - Unspecified
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EP2AGZ225HH40I6N Datasheet PDF : 380 Pages
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Chapter 9: Configuration, Design Security, and Remote System Upgrades in Arria II Devices
Design Security
9–65
Security Modes Available
The following security modes are available on the Arria II device:
Volatile Key
Secure operation with volatile key programmed and required external battery—this
mode accepts both encrypted and unencrypted configuration bitstreams. Use the
unencrypted configuration bitstream support for board-level testing only.
Non-Volatile Key
Secure operation with one-time-programmable (OTP) security key
programmed—this mode accepts both encrypted and unencrypted configuration
bitstreams. Use the unencrypted configuration bitstream support for board-level
testing only.
Volatile Key with Tamper Protection Bit Set
1 Arria II GZ devices do not support this feature.
Secure operation in tamper resistant mode with volatile security key
programmed—only encrypted configuration bitstreams are allowed to configure the
device. Tamper protection disables JTAG configuration with unencrypted
configuration bitstream.
1 Enabling the Tamper Protection bit disables the test mode in Arria II devices. This
process is irreversible and prevents Altera from carry-out failure analysis. Contact
Altera Technical Support to enable the tamper protection bit.
Non-Volatile Key with Tamper Protection Bit Set
Secure operation in tamper resistant mode with OTP security key
programmed—only encrypted configuration bitstreams are allowed to configure the
device. Tamper protection disables JTAG configuration with unencrypted
configuration bitstream.
1 Enabling the Tamper Protection bit disables the test mode in Arria II devices. This
process is irreversible and prevents Altera from carry-out failure analysis. Contact
Altera Technical Support to enable the tamper protection bit.
July 2012 Altera Corporation
Arria II Device Handbook Volume 1: Device Interfaces and Integration
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