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參數資料
| 型號： | DS5240F-8N5 |
| 英文描述： | High-Speed Secure Microcontroller |
| 中文描述： | 高速安全微控制器 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 43K |
| 代理商： | DS5240F-8N5 |
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041802
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple
revisions of any device may be simultaneously available through various sales channels. For information about DS5240 device
errata, contact the factory.
FEATURES
§
Security features
Designed to meet the physical security requirements
of FIPS140 and Common Criteria certifications
Fine-line, top-level metal pattern detects intrusion of
the chip’s cryptographic boundary
Additional on-chip sensors detect out-of-range
environmental conditions that generate a tamper
response
The equipment enclosure can be monitored by
tamper response inputs for added protection
Fast write SRAM technology causes rapid
“zeroization” of secure information as a tamper
response
Eavesdropping on the external memory bus
prevented by single or triple -DES encryption of the
programs
Internal chip clock isolated from external system
clock by phase-locked loop
Asynchronous internal ring oscillator provides clock
for arithmetic operations
Resources inside cryptographic boundary include:
Modulo Arithmetic Accelerator (MAA) for up to
4096-bit (e.g., PKI)
DES and 112-bit key triple-DES engines
available for secret key cryptography
Random number generator
Memory Management Unit and 1kB cache
Firmware bootstrap loader resides in a 16kB
factory-programmed ROM
§
8051 compatible with expanded addressing
Linear address space directly accesses up to 8MB
of external memory
Dedicated memory and parallel I/O bus saves port
pins
Four 8-bit ports, one 6-bit port
§
Advanced features
CRC-16/32 generator provides strong error
detection of memory contents
True-time clock with alarm interrupt and wake-up
5kB internal SRAM with 1kB that can be allocated
to a stack for high-level language support
Programmable length MOVX instructions allow a
combination of fast and slow devices
On-chip power detection/selection circuits provide
power-up/down processor reset and early-warning
power-fail interrupt
Watchdog timer
§
Proven 4-clock/machine cycle architecture
Single-cycle instruction executes in 160ns
Runs up to 25MHz clock rates
Dual data pointers can increment or decrement
independently
Automatic data pointer selection available
DS5240
High-Speed Secure Microcontroller
An NDA is required for full disclosure of details. Contact factory.
www.maxim-ic.com
DS5240
(Top View)
1
100
30
31
50
51
80
81
100-pin QFP
DS5240
(Top View)
80-pin QFP
1
24
25
40
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64
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80
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