System and method for overcoming download cable bottlenecks...

Details System and method for overcoming download cable bottlenecks... System and method for overcoming download cable bottlenecks...

Filed on

2008-04-22

Date issued

2008-04-22

Examiner

Barnie, Rexford (Department: 2819)

Patent Class

Error detection/correction and fault detection/recovery

SubClass

Data processing system error or fault handling

SubSubClass

Reliability and availability

Other Related Categories

C714S725000, C326S016000

Type

Reexamination Certificate

Status

active

Patent number

07363545

Description

ABSTRACT:
A software architecture for facilitating communications between a computer or workstation and a programming apparatus used to program a PLD by minimizing the number of two-way communications on a standard download cable (e.g., RS232, USB) connected between the computer and the programming apparatus. A first component used to encode programming instructions and configuration data to form a first transmission stream that is transmitted to the programming apparatus in a single, long burst. The programming apparatus includes a second component of the software architecture that interprets the first transmission stream and programs the PLD using, for example, Boundary-Scan signals that are generated in response to the programming instructions and configuration data. A buffer memory stores data shifted out of the PLD during the programming operation, which is transmitted to the computer in a single, long burst after the first transmission stream is completed.

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