Cypress CY7C1310BV18 Identification Register Definitions, Scan Register Sizes, Instruction Codes

Page 17

CY7C1310BV18, CY7C1910BV18

CY7C1312BV18, CY7C1314BV18

Identification Register Definitions

Instruction Field

 

Value

 

Description

CY7C1310BV18

CY7C1910BV18

CY7C1312BV18

CY7C1314BV18

 

 

Revision Number

000

000

000

000

Version number.

(31:29)

 

 

 

 

 

Cypress Device ID

11010011010000101

11010011010001101

11010011010010101

11010011010100101

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

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. 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 #: 38-05619 Rev. *F

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Contents Configurations FeaturesFunctional Description Selection GuideDoff Logic Block Diagram CY7C1310BV18Logic Block Diagram CY7C1910BV18 Logic Block Diagram CY7C1314BV18 Logic Block Diagram CY7C1312BV18Ball Fbga 13 x 15 x 1.4 mm Pinout Pin ConfigurationCY7C1310BV18 2M x CY7C1910BV18 2M xWPS BWS CY7C1312BV18 1M xCY7C1314BV18 512K x NC/72M NC/36MPin Name Pin Description Pin DefinitionsPower Supply Inputs for the Outputs of the Device Power Supply Inputs to the Core of the DeviceReferenced with Respect to TDO for JtagFunctional Overview Programmable Impedance Application ExampleEcho Clocks Sram #1Write Cycle Descriptions Truth TableOperation CommentsWrite cycle description table for CY7C1314BV18 follows Write cycle description table for CY7C1910BV18 followsDevice Into the device. D359 remains unalteredIeee 1149.1 Serial Boundary Scan Jtag Idcode State diagram for the TAP controller follows TAP Controller State DiagramTAP Electrical Characteristics TAP Controller Block DiagramTAP Timing and Test Conditions TAP AC Switching CharacteristicsScan Register Sizes Identification Register DefinitionsInstruction Codes Register Name Bit SizeBit # Bump ID Boundary Scan OrderDLL Constraints Power Up Sequence in QDR-II SramPower Up Sequence Maximum Ratings Electrical CharacteristicsDC Electrical Characteristics Input LOW Voltage Vref Document # 38-05619 Rev. *F AC Electrical CharacteristicsInput High Voltage Vref + Thermal Resistance CapacitanceParameter Description Test Conditions Max Unit Parameter Description Test Conditions Fbga UnitCypress Consortium Description 250 MHz 200 MHz 167 MHz Unit Switching CharacteristicsParameter Min Max DLL TimingRead/Write/Deselect Sequence 26, 27 Switching WaveformsOrdering Information 167 Ball Fbga 13 x 15 x 1.4 mm Package DiagramNXR Document HistorySYT Worldwide Sales and Design Support Products PSoC Solutions Sales, Solutions, and Legal InformationVKN VKN/PYRS