CYD01S36V

CYD02S36V/36VA/CYD04S36V

CYD09S36V/CYD18S36V

Table 6. Instruction Identification Codes

Instruction

Code

Description

EXTEST

0000

Captures the Input/Output ring contents. Places the BSR between the TDI and TDO.

 

 

 

BYPASS

1111

Places the BYR between TDI and TDO.

 

 

 

IDCODE

1011

Loads the IDR with the vendor ID code and places the register between TDI and TDO.

 

 

 

HIGHZ

0111

Places BYR between TDI and TDO. Forces all device output drivers to a High-Z state.

 

 

 

CLAMP

0100

Controls boundary to 1/0. Places BYR between TDI and TDO.

 

 

 

SAMPLE/PRELOAD

1000

Captures the input/output ring contents. Places BSR between TDI and TDO.

 

 

 

NBSRST

1100

Resets the non-boundary scan logic. Places BYR between TDI and TDO.

 

 

 

RESERVED

All other codes

Other combinations are reserved. Do not use other than the above.

 

 

 

Document Number: 38-06076 Rev. *G

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Cypress CYD04S36V, CYD02S36VA, CYD09S36V, CYD18S36V, CYD01S36V manual Instruction Identification Codes Description, Reserved