SCANSTA101SMSLASHNOPB datasheet(10/42 Pages) TI2

10 / 42 page

SCANSTA101

SNLS057J – MAY 2002 – REVISED APRIL 2013

www.ti.com

Table 6. MACRO STRUCTURE

Bit(s)

Function

0x1F

Compare

0x1E

Use Mask / Compare full length of vector (not including header/trailer)

0x1D - 0x1B

Post-shift TCK_SM Count

0x1A - 0x18

Pre-shift TCK_SM Count

0x17

Sync Bit Support Enable

0x16

Macro Structure Bit 8 Enable (Ignored for the shift macros with or without capture)

0x15

Macro Structure bit 7 Enable (Ignored for the shift macros with or without capture)

0x14 - 0x12

Header/Trailer Usage

0x11

Macro Type bit 1

0x10

Macro Type bit 0

0xF - 0x9

Last 7 TMS_SM bits

0x8

Presented during the falling edge of TCK_SM at terminal count during a Shift macro. Use in the same

manner as other TMS bits for State and BIST Macros.

0x7

Loop Bit if Macro type is Shift (for 1149.1 it would be a 0) or BIST

0x6 - 0x0

First 7 TMS_SM Bits (LSB is first bit to be shifted out of TMS_SM)

Table 7. HEADER/TRAILER USAGE

Bit 2

Bit 1

Bit 0

Function

Ignore Headers and Trailers

Use Instruction Header

Use Instruction Trailer

Use both Instruction Header and Trailer

Use Data Header

Use Data Trailer

Use both Data Header and Trailer

Reserved

Table 8. Macro Type bits 10 and 11

Bit 1

Bit 0

Function

BIST Macro

Loop on loop bit for Vector count. No Data

Shift Macro

Loop on loop bit for vector count. Read data from TDO_SM memory

Shift Macro with Capture

Loop on loop bit for vector count. Read data from TDO_SM memory

State Macro

Do not loop on loop bit of macro. No data to be shifted

Table 9. SEQUENCER STRUCTURE

Bit(s)

Function

0x00 - 0x1F

Sequence repeat count (up to 255)

0x20 - 0x2F

Vector repeat count

0x30 - 0x3F

Vector number

..x.. - ..x..

Repeat vector repeat count and vector number

0x3E0 - 0x3EF

Vector repeat count (up to 255)

0x3F0 - 0x3FF

Vector number (up to 63)

Submit Documentation Feedback

Product Folder Links: SCANSTA101

SCANSTA101SM/NOPB Datasheet(PDF) 10 Page - Texas Instruments

SCANSTA101SM/NOPB Datasheet(HTML) 10 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

Datasheet Download

Link URL