Cypress CY7C1526V18 Identification Register Definitions, Scan Register Sizes, Instruction Codes

Page 18

CY7C1511V18, CY7C1526V18

CY7C1513V18, CY7C1515V18

Identification Register Definitions

Instruction Field

 

Value

 

Description

CY7C1511V18

CY7C1526V18

CY7C1513V18

CY7C1515V18

 

 

Revision Number

000

000

000

000

Version number.

(31:29)

 

 

 

 

 

Cypress Device ID

11010011011000100

11010011011001100

11010011011010100

11010011011100100

Defines the type of

(28:12)

 

 

 

 

SRAM.

Cypress JEDEC ID

00000110100

00000110100

00000110100

00000110100

Allows 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

109

 

 

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. 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. 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: 38-05363 Rev. *F

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Contents Functional Description FeaturesConfigurations Selection GuideLogic Block Diagram CY7C1511V18 Logic Block Diagram CY7C1526V18Doff Logic Block Diagram CY7C1513V18 Logic Block Diagram CY7C1515V18CY7C1511V18 8M x Pin ConfigurationBall Fbga 15 x 17 x 1.4 mm Pinout CY7C1526V18 8M xCY7C1513V18 4M x WPS BWSCY7C1515V18 2M x Pin Definitions Pin Name Pin DescriptionReferenced with Respect to Power Supply Inputs to the Core of the DevicePower Supply Inputs for the Outputs of the Device TDO for JtagRead Operations Single Clock ModeFunctional Overview Write OperationsProgrammable Impedance Concurrent TransactionsDepth Expansion Echo ClocksSram #1 Application ExampleTruth Table OperationNWS1 Write Cycle DescriptionsComments BWS0BWS0 BWS1 BWS2 BWS3 Ieee 1149.1 Serial Boundary Scan Jtag Idcode TAP Controller State Diagram TDI TAP Controller Block DiagramTAP Electrical Characteristics TCKTAP AC Switching Characteristics TAP Timing and Test ConditionsInstruction Codes Identification Register DefinitionsScan Register Sizes Register Name Bit SizeBoundary Scan Order Bit # Bump IDPower Up Sequence in QDR-II Sram Power Up SequenceDLL Constraints Electrical Characteristics DC Electrical CharacteristicsMaximum Ratings AC Electrical Characteristics Parameter Description Test Conditions Max Unit CapacitanceThermal Resistance Parameter Description Test Conditions Fbga UnitHigh Switching CharacteristicsParameter Min Max LOWParameter Min Max Output Times DLL TimingSwitching Waveforms Read/Write/Deselect Sequence 28, 29Ordering Information 250 167 Package Diagram Ball Fbga 15 x 17 x 1.4 mmDocument History Document NumberREV ECN no Submission ORIG. Description of Change Date VKN/AESA Sales, Solutions, and Legal InformationWorldwide Sales and Design Support Products PSoC Solutions Pyrs