boundary scan

(redirected from JTAG boundary scan)

boundary scan

The use of scan registers to capture state from device input and output pins. IEEE Standard 1149.1-1990 describes the international standard implementation (sometimes called JTAG after the Joint Test Action Group which began the standardisation work).
References in periodicals archive ?
EMCORE's high-speed 9512 transmitter and receiver modules also support conventional DC JTAG boundary scan per IEEE 1149.
Additional tools are available for JTAG boundary scan debug, low level board and OS bring up, and production line test.
Featuring a 40 percent smaller footprint than previously available models, while maintaining SNAP12 MSA compatibility, these high-speed transmitter and receiver modules support conventional DC JTAG boundary scan per IEEE 1149.
It supports factory and in-system programming via I2C and JTAG interfaces; it also implements the standard JTAG boundary scan test instructions.
They also include a 64-bit DDR-SDRAM Interface, an encryption/decryption engine, diskless boot using NAND flash, TWSI interface and support for JTAG boundary scan.