AT88SC25616C-EK Atmel, AT88SC25616C-EK Datasheet - Page 12
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AT88SC25616C-EK
Manufacturer Part Number
AT88SC25616C-EK
Description
MCU, MPU & DSP Development Tools CRYPTOMEMORY 256K 16 ZONE DEV KIT
Manufacturer
Atmel
Datasheet
1.AT88SC25616C-EK.pdf
(58 pages)
Specifications of AT88SC25616C-EK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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- Download datasheet (2Mb)
4.2
5210B–SMIC–11/08
Configuration Memory
AT88SC0104/0204/0404/0808/1616/3216/6416/12816/25616C
memory during device personalization. This logic also implements the cryptographic engine for
performing the various higher-level security functions of the device.
The configuration memory consists of 2048 bits of EEPROM memory used for storing pass-
words, keys, codes and defining security levels to be used for each User Zone. The control logic
defines access rights to the configuration memory as well as to the user zones and the user may
not alter these rights. The access rights include the ability to program certain portions of the
configuration memory and then lock the data written through the use of Security Fuses. The
configuration memory for each CryptoMemory device is identical with the exception of the num-
ber of Access Registers and Password/Key Registers available. Devices with 4 user zones
have four sets of registers, those with 8 user zones 8 sets of registers, and those with 16 user
zones 16 sets of registers. Unused memory space in the register region becomes reserved to
ensure other components of the configuration memory remain at the same address location.
9
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