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M1A3P250-FFG144ES

1 – ProASIC®3 Flash Family FPGAs with Optional Soft ARM Support

Unspecified 

Introduction and Overview

ProASIC3 Flash Family FPGAs

General Description

ProASIC3, the third-generation family of Actel flash FPGAs, offers performance, density, and features beyond

those of the ProASICPLUS® family. Nonvolatile flash technology gives ProASIC3 devices the advantage of being a

secure, low-power, single-chip solution that is live at power-up (LAPU). ProASIC3 is reprogrammable and offers

time-to-market benefits at an ASIC-level unit cost. These features enable designers to create high-density

systems using existing ASIC or FPGA design flows and tools.

ProASIC3 devices offer 1 kbit of on-chip, reprogrammable, nonvolatile FlashROM storage as well as clock

conditioning circuitry based on an integrated phase-locked loop (PLL). The A3P015 and A3P030 devices have no

PLL or RAM support. ProASIC3 devices have up to 1 million system gates, supported with up to 144 kbits of true

dual-port SRAM and up to 300 user I/Os.

ProASIC3 devices support the ARM7 soft IP core and Cortex-M1 devices. The ARM-enabled devices have Actel

ordering numbers that begin with M7A3P (CoreMP7) and M1A3P (Cortex-M1) and do not support AES

decryption.

Flash Advantages

Reduced Cost of Ownership

Advantages to the designer extend beyond low unit cost, performance, and ease of use. Unlike SRAM-based

FPGAs, flash-based ProASIC3 devices allow all functionality to be live at power-up; no external boot PROM is

required. On-board security mechanisms prevent access to all the programming information and enable secure

remote updates of the FPGA logic. Designers can perform secure remote in-system reprogramming to support

future design iterations and field upgrades with confidence that valuable intellectual property (IP) cannot be

compromised or copied. Secure ISP can be performed using the industry-standard AES algorithm. The ProASIC3

family device architecture mitigates the need for ASIC migration at higher user volumes. This makes the

ProASIC3 family a cost-effective ASIC replacement solution, especially for applications in the consumer,

networking/ communications, computing, and avionics markets.

Security

The nonvolatile, flash-based ProASIC3 devices do not require a boot PROM, so there is no vulnerable external

bitstream that can be easily copied. ProASIC3 devices incorporate FlashLock, which provides a unique

combination of reprogrammability and design security without external overhead, advantages that only an

FPGA with nonvolatile flash programming can offer.

ProASIC3 devices utilize a 128-bit flash-based lock and a separate AES key to secure programmed intellectual

property and configuration data. In addition, all FlashROM data in ProASIC3 devices can be encrypted prior to

loading, using the industry-leading AES-128 (FIPS192) bit block cipher encryption standard. The AES standard

was adopted by the National Institute of Standards and Technology (NIST) in 2000 and replaces the 1977 DES

standard. ProASIC3 devices have a built-in AES decryption engine and a flash-based AES key that make them the

most comprehensive programmable logic device security solution available today. ProASIC3 devices with AES-

based security allow for secure, remote field updates over public networks such as the Internet, and ensure that

valuable IP remains out of the hands of system overbuilders, system cloners, and IP thieves. The contents of a

programmed ProASIC3 device cannot be read back, although secure design verification is possible.

ARM-enabled ProASIC3 devices do not support user-controlled AES security mechanisms. Since the ARM core

must be protected at all times, AES encryption is always on for the core logic, so bitstreams are always

encrypted. There is no user access to encryption for the FlashROM programming data.

Security, built into the FPGA fabric, is an inherent component of the ProASIC3 family. The flash cells are located

beneath seven metal layers, and many device design and layout techniques have been used to make invasive

attacks extremely difficult. The ProASIC3 family, with FlashLock and AES security, is unique in being highly

resistant to both invasive and noninvasive attacks. Your valuable IP is protected and secure, making remote ISP

possible. An ProASIC3 device provides the most impenetrable security for programmable logic designs.

Product Brief

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