SCANSTA111MTSLASHNOPB datasheet(13/38 Pages) TI1

13 / 38 page

SCANSTA111

www.ti.com

SNLS060K – AUGUST 2001 – REVISED APRIL 2013

Table 4. Level 2 Protocol and Op-Codes (continued)

Instructions

Hex Op-Code

Binary Op-Code

Data Register

TRANSPARENT4

1010 0100

Transparent Enable Register4

TRANSPARENT5

1010 0101

Transparent Enable Register5

TRANSPARENT6

1010 0110

Transparent Enable Register6

TRANSPARENT7

1010 0111

Transparent Enable Register7

DGPIO0

1011 0000

Dedicated GPIO Register0

DGPIO1

1011 0001

Dedicated GPIO Register1

DGPIO2

1011 0010

Dedicated GPIO Register2

DGPIO3

1011 0011

Dedicated GPIO Register3

DGPIO4

1011 0100

Dedicated GPIO Register4

DGPIO5

1011 0101

Dedicated GPIO Register5

DGPIO6

1011 0110

Dedicated GPIO Register6

DGPIO7

1011 0111

Dedicated GPIO Register7

SGPIO0

1011 1000

Shared GPIO Register0

SGPIO1

1011 1001

Shared GPIO Register1

SGPIO2

1011 1010

Shared GPIO Register2

SGPIO3

1011 1011

Shared GPIO Register3

SGPIO4

1011 1100

Shared GPIO Register4

SGPIO5

1011 1101

Shared GPIO Register5

SGPIO6

1011 1110

Shared GPIO Register6

SGPIO7

1011 1111

Shared GPIO Register7

Other Undefined

TBD

Device Identification Register

LEVEL 2 INSTRUCTION DESCRIPTIONS:

BYPASS: The BYPASS instruction selects the bypass register for insertion into the active scan chain when the

'STA111 is selected.

EXTEST: The EXTEST instruction selects the boundary-scan register for insertion into the active scan chain.

The boundary-scan register consists of seven sample only shift cells connected to the S(0-6) and OE inputs. On

the 'STA111, the EXTEST instruction performs the same function as the SAMPLE/PRELOAD instruction, since

there aren't any scannable outputs on the device.

SAMPLE/PRELOAD: The SAMPLE/PRELOAD instruction selects the boundary-scan register for insertion into

the active scan chain. The boundary-scan register consists of seven sample only shift cells connected to the S(0-

6) and OE inputs.

IDCODE: The IDCODE instruction selects the device identification register for insertion into the active scan

chain. When IDCODE is the current active instruction the device identification 0FC0F01F Hex is captured upon

exiting the Capture-DR state.

UNPARK: This instruction unparks the Local Scan Port Network and inserts it into the active scan chain as

configured by Mode Register0 (and Mode Register1 in the HDL) (see Table 6). Unparked LSPs are sequenced

synchronously with the 'STA111's TAP controller. When a LSP has been parked in the Test-Logic-Reset or Run-

Test/Idle state, it will not become unparked until the 'STA111's TAP Controller enters the Run-Test/Idle state

following the UNPARK instruction. An LSP which has been parked in Test-Logic-Reset will be parked in Run-

Test/Idle upon update of an UNPARK instruction. If an LSP has been parked in one of the stable pause states

(Pause-DR or Pause-IR), it will not become unparked until the 'STA111's TAP Controller enters the respective

pause state. (See Figure 9 through Figure 12).

PARKTLR: This instruction causes all unparked LSPs to be parked in the Test-Logic-Reset TAP controller state

and removes the LSP network from the active scan chain. The LSP controllers keep the LSPs parked in the

Test-Logic-Reset state by forcing their respective TMSn output with a constant logic 1 while the LSP controller is

in the Parked-TLR state (see Figure 4).

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