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1 – ProASIC3L Device Family Overview

General Description

The ProASIC3L family of Microsemi flash FPGAs dramatically reduces dynamic power consumption by

40% and static power by 50% compared to the equivalent ProASIC3 device. These power savings are

coupled with performance, density, true single-chip, 1.2 V to 1.5 V core and I/O operation as low as

1.2 V, reprogrammability, and advanced features.

Using Microsemi's proven Flash*Freeze technology enables users to shut off dynamic power

instantaneously and switch the device to static mode without the need to switch off clocks or power

supplies while retaining internal states of the device. This greatly simplifies power management on a

board done through I/Os and clocks. In addition, optimized software tools using power-driven layout

provide instant push-button power reduction.

Nonvolatile flash technology gives ProASIC3L devices the advantage of being a secure, low-power,

single-chip solution that is Instant On. ProASIC3L offers dramatic dynamic power savings giving the

FPGA users flexibility to combine low power with high performance.

These features enable designers to create high-density systems using existing ASIC or FPGA design

flows and tools.

ProASIC3L devices offer 1 kbit of on-chip, reprogrammable, nonvolatile FlashROM storage as well as

clock conditioning circuitry (CCC) based on an integrated phase-locked loop (PLL). ProASIC3L devices

support devices from 250 k system gates to 3 million system gates with up to 504 kbits of true dual-port

SRAM and 620 user I/Os.

M1 ProASIC3L devices support the high-performance, 32-bit Cortex-M1 processor developed by ARM

for implementation in FPGAs. ARM Cortex-M1 is a soft processor that is fully implemented in the FPGA

fabric. It has a three-stage pipeline that offers a good balance between low-power consumption and

speed when implemented in an M1 ProASIC3L device. The processor runs the ARMv6-M instruction set,

has a configurable nested interrupt controller, and can be implemented with or without the debug block.

ARM Cortex-M1 is available for free from Microsemi for use in M1 ProASIC3L FPGAs.

The ARM-enabled devices have Microsemi SoC Products Group ordering numbers that begin with M1

and do not support AES decryption.

Flash*Freeze Technology

The ProASIC3L devices offer Microsemi's proven Flash*Freeze technology, which allows instantaneous

switching from an active state to a static state. ProASIC3L devices do not need additional components to

turn off I/Os or clocks while retaining the design information, SRAM content, and registers. Flash*Freeze

technology is combined with in-system programmability, which enables users to quickly and easily

upgrade and update their designs in the final stages of manufacturing or in the field. The ability of

ProASIC3L devices to support a wide range core voltage (1.2 V to 1.5 V) allows for an even greater

reduction in power consumption, which enables low total system power.

When the ProASIC3L device enters Flash*Freeze mode, the device automatically shuts off the clocks

and inputs to the FPGA core; when the device exits Flash*Freeze mode, all activity resumes and data is

retained.

The availability of low-power modes, combined with a reprogrammable, single-chip, single-voltage

solution, make ProASIC3L devices suitable for low-power data transfer and manipulation in portable

media, secure communications, radio applications as well as high performance portable, industrial, test,

scientific, and medical applications.

FG484 Datasheet(PDF) 7 Page - Microsemi Corporation

FG484 Datasheet(HTML) 7 Page - Microsemi Corporation

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