Cypress Semiconductor CY7C1363C Manuel d'utilisateur télécharger pdf (Page 17)

CY7C1361C

CY7C1363C

Document #: 38-05541 Rev. *F Page 16 of 31

Scan Register Sizes

Instruction 3 3

Bypass 1 1

ID 32 32

Boundary Scan Order (119-ball BGA package) 71 71

Boundary Scan Order (165-ball FBGA package) 71 71

Identification Codes

Instruction Code Description

EXTEST 000 Captures I/O ring contents. Places the boundary scan register between TDI and TDO.

Forces all SRAM outputs to High-Z state.

IDCODE 001 Loads the ID register with the vendor ID code and places the register between TDI and TDO.

This operation does not affect SRAM operations.

SAMPLE Z 010 Captures I/O ring contents. Places the boundary scan register between TDI and TDO.

Forces all SRAM output drivers to a High-Z state.

RESERVED 011 Do Not Use: This instruction is reserved for future use.

SAMPLE/PRELOAD 100 Captures I/O ring contents. Places the boundary scan register between TDI and TDO.

Does not affect SRAM operation.

RESERVED 101 Do Not Use: This instruction is reserved for future use.

RESERVED 110 Do Not Use: This instruction is reserved for future use.

BYPASS 111 Places the bypass register between TDI and TDO. This operation does not affect SRAM

operations.

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 31 32

Pas de commentaire

Cypress Semiconductor CY7C1363C Manuel d'utilisateur Page 17