IC with external register present lead connected to...

Details IC with external register present lead connected to... IC with external register present lead connected to...

2006-06-20

2006-06-20

Whitmore, Stacy A. (Department: 2825)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital logic testing

C714S030000, C714S727000, C716S030000

Reexamination Certificate

active

07065692

ABSTRACT:
An integrated circuit carries an intellectual property core. The intellectual property core includes a test access port39with test data input leads15, test data output leads13, control leads17and an external register present, ERP lead37. A scan register25encompasses the intellectual property core and ERP lead37carries a signal indicating the presence of the scan register.

REFERENCES:
patent: 5862152 (1999-01-01), Handly et al.
patent: 6173428 (2001-01-01), West
patent: 6223315 (2001-04-01), Whetsel
patent: 6558615 (2003-05-01), Jungblut

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