TNETX3150 datasheet(63/78 Pages) TI

63 / 78 page

TNETX15AE

ADDRESS-LOOKUP DEVICE

SPWS041A – AUGUST 1997 – REVISED OCTOBER 1997

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

IEEE Std 1149.1 test-access port (JTAG)

The test-access port consists of five terminals that are used to interface serially with the TNETX15AE package

for boundary-scan testing.

The TNETX15AE is fully JTAG compliant, with the exception of requiring external pullup resistors on the

following terminals: TDI, TMS, and TRST.

The following instructions, with their 4-bit opcodes, are supported by JTAG.

INSTRUCTION

TYPE

NAME

JTAG

OPCODE

Mandatory

EXTEST

0000

Mandatory

SAMPLE/PRELOAD

0001

Private

ATPG

0010

Private

SELFEXERCISE

0011

Optional

IDCODE

0100

Optional

HIGH Z

0101

Private

IDDQ

1100

Mandatory

BYPASS

1111

The IDCODE for the TNETX15AE is:

VARIANT

PART NUMBER

MANUFACTURER

LSB

Bit number

31–28

27–12

11–1

Binary code

0000b

1011 0001 1010 1110b

000 0001 0111b

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