Method and structure for loading data into several IC devices

Details Method and structure for loading data into several IC devices Method and structure for loading data into several IC devices

1997-05-13

1998-11-17

Tokar, Michael J.

Electronic digital logic circuitry

Multifunctional or programmable

Having details of setting or programming of interconnections...

326 39, H03K 19177

Patent

active

058381678

ABSTRACT:
An apparatus and method for decreasing the amount of time necessary to load configuration data into Field Programmable Gate Arrays (FPGAs) or other integrated circuit devices. In a preferred embodiment, serially arrayed FPGAs receive a concatenated stream of data from a common data bus. As a first FPGA reaches a loading-complete state, an enabling token is passed from the first FPGA to an enabling input on the next FPGA. The process repeats until all devices are completely loaded or fully configured.

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Application Note 38 "Configuring Multiple FLEX 8000 Devices", May, 1994, version 2, available from Altera Corporation, pp. 71-90.
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Altera Data Sheet titled "Configuring Multiple FLEX 8000 Devices"; ver. 4; pp. 1-20, Mar. 1994.
Atmel Application Note for AT6000 Series Configuration; pp. 1-16, May 1993.

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