CY7C1161V18, CY7C1176V18

CY7C1163V18, CY7C1165V18

Identification Register Definitions

Instruction Field

 

Value

 

Description

CY7C1161V18

CY7C1176V18

CY7C1163V18

CY7C1165V18

 

 

Revision Number

000

000

000

000

Version number.

(31:29)

 

 

 

 

 

Cypress Device ID

11010010001000101

11010010001001101

11010010001010101

11010010001100101

Defines the type of

(28:12)

 

 

 

 

SRAM.

Cypress JEDEC ID

00000110100

00000110100

00000110100

00000110100

Enables unique

(11:1)

 

 

 

 

identification of

 

 

 

 

 

SRAM vendor.

ID Register

1

1

1

1

Indicates the

Presence (0)

 

 

 

 

presence of an ID

 

 

 

 

 

register.

Scan Register Sizes

Register Name

Bit Size

Instruction

3

 

 

Bypass

1

 

 

ID

32

 

 

Boundary Scan

107

 

 

Instruction Codes

Instruction

Code

Description

EXTEST

000

Captures the input and output ring contents.

 

 

 

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 operation.

SAMPLE Z

010

Captures the input and output contents. Places the boundary scan register between

 

 

TDI and TDO. This 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 the input and output ring contents. Places the boundary scan register

 

 

between TDI and TDO. This operation does not affect the 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 operation.

Document Number: 001-06582 Rev. *D

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Cypress CY7C1163V18, CY7C1165V18, CY7C1176V18 Identification Register Definitions, Scan Register Sizes, Instruction Codes