ATF1504AS-10AU100 데이터 시트보기 (PDF) - Atmel Corporation

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ATF1504AS-10AU100

High performance Complex Programmable Logic Device

Atmel Corporation 

Programming

ISP Programming

Protection

ATF1504AS devices are in-system programmable (ISP) devices utilizing the 4-pin JTAG

protocol. This capability eliminates package handling normally required for programming

and facilitates rapid design iterations and field changes.

Atmel provides ISP hardware and software to allow programming of the ATF1504AS via

the PC. ISP is performed by using either a download cable or a comparable board tester

or a simple microprocessor interface.

To facilitate ISP programming by the Automated Test Equipment (ATE) vendors. Serial

Vector Format (SVF) files can be created by Atmel provided software utilities.

ATF1504AS devices can also be programmed using standard third-party programmers.

With third-party programmer, the JTAG ISP port can be disabled thereby allowing

four additional I/O pins to be used for logic.

Contact your local Atmel representatives or Atmel PLD applications for details.

The ATF1504AS has a special feature that locks the device and prevents the inputs and

I/O from driving if the programming process is interrupted for any reason. The inputs

and I/O default to high-Z state during such a condition. In addition the pin-keeper option

preserves the former state during device programming, if this circuit were previously

programmed on the device. This prevents disturbing the operation of other circuits in the

system while the ATF1504AS is being programmed via ISP.

All ATF1504AS devices are initially shipped in the erased state thereby making them

ready to use for ISP.

Note: For more information refer to the “Designing for In-System Programmability with Atmel

CPLDs” application note.

10 ATF1504AS(L)

0950O–PLD–7/05

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