Invention Grant
- Patent Title: Signal connections extending from the periphery of an IP core
- Patent Title (中): 信号连接从IP核的外围延伸
-
Application No.: US13486138Application Date: 2012-06-01
-
Publication No.: US08402331B2Publication Date: 2013-03-19
- Inventor: Lee D. Whetsel
- Applicant: Lee D. Whetsel
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Agent Lawrence J. Bassuk; W. James Brady; Frederick J. Telecky, Jr.
- Main IPC: G01R31/28
- IPC: G01R31/28
Abstract:
An integrated circuit carries an intellectual property core. The intellectual property core includes a test access port 39 with test data input leads 15, test data output leads 13, control leads 17 and an external register present, ERP lead 37. A scan register 25 encompasses the intellectual property core and ERP lead 37 carries a signal indicating the presence of the scan register.
Public/Granted literature
- US20120239994A1 IP CORE DESIGN SUPPORTING USER-ADDED SCAN REGISTER OPTION Public/Granted day:2012-09-20
Information query
