Rainbow-electronics ATF1504ASL Manual de usuario descargar pdf (Pagina 5)

ATF1504AS(L)

0950N–PLD–07/02

Block Diagram

Unused product terms are automatically disabled by the compiler to decrease power

consumption. A security fuse, when programmed, protects the contents of the

ATF1504AS. Two bytes (16 bits) of User Signature are accessible to the user for pur-

poses such as storing project name, part number, revision or date. The User Signature

is accessible regardless of the state of the security fuse.

The ATF1504AS device is an in-system programmable (ISP) device. It uses the indus-

try-standard 4-pin JTAG interface (IEEE Std. 1149.1), and is fully-compliant with JTAG’s

Boundary-scan Description Language (BSDL). ISP allows the device to be programmed

without removing it from the printed circuit board. In addition to simplifying the manufac-

turing flow, ISP also allows design modifications to be made in the field via software.

I/O (MC64)/GCLK3

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Rainbow-electronics ATF1504ASL Manual de usuario Pagina 5