Cypress CY7C1303BV25, CY7C1306BV25 Scan Register Sizes, Instruction Codes, Register Name Bit Size

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CY7C1303BV25

CY7C1306BV25

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/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/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/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 #: 38-05627 Rev. *A

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Contents Configurations FeaturesFunctional Description CY7C1303BV25 1M x CY7C1306BV25 512K xLogic Block Diagram CY7C1306BV25 Logic Block Diagram CY7C1303BV25Selection Guide CY7C1303BV25-167 UnitCY7C1306BV25 512K x Pin Configuration Ball Fbga 13 x 15 x 1.4 mm PinoutPin Definitions Introduction Concurrent Transactions Application Example1Depth Expansion Programmable ImpedanceWrite Descriptions CY7C1306BV25 2 Write Descriptions CY7C1303BV25 2Comments Ieee 1149.1 Serial Boundary Scan Jtag Sample Z EXIT2-IR UPDATE-DR UPDATE-IR TAP Controller State Diagram9TAP AC Switching Characteristics Over the Operating Range11 TAP Controller Block DiagramIdentification Register Definitions TAP Timing and Test Conditions12Parameter Description Min Max Unit Output Times Instruction Codes Scan Register SizesRegister Name Bit Size Instruction Code DescriptionBit # Bump ID Boundary Scan OrderOperating Range Maximum RatingsThermal Resistance Capacitance Switching Characteristics Over the Operating RangeAC Test Loads and Waveforms Parameter Description Test ConditionsWrite Read NOP Switching Waveforms25, 26Ordering Information Package DiagramCY7C1306BV25-167BZC CY7C1303BV25-167BZXC CY7C1306BV25-167BZI CY7C1303BV25-167BZXIDocument History Issue Date Orig. Description of ChangeSYT NXR