Invention Grant
- Patent Title: Gating of clock-DR and pause-DR from TAP to TCA
- Patent Title (中): 从TAP到TCA的时钟DR和暂停DR的门控
-
Application No.: US13676344Application Date: 2012-11-14
-
Publication No.: US08527823B2Publication Date: 2013-09-03
- Inventor: Lee D. Whetsel
- Applicant: Texas Instruments Incorporated
- 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:
The disclosure describes novel methods and apparatuses for controlling a device's TCA circuit when the device exists in a JTAG daisy-chain arrangement with other devices. The methods and apparatuses allow the TCA test pattern set used during device manufacturing to be reused when the device is placed in a JTAG daisy-chain arrangement with other devices, such as in a customers system using the device. Additional embodiments are also provided and described in the disclosure.
Public/Granted literature
- US20130073915A1 TEST COMPRESSION IN A JTAG DAISY-CHAIN ENVIRONMENT Public/Granted day:2013-03-21
Information query
