Scan Register Sizes, Instruction Codes | Cypress CY7C1303BV25

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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Cypress CY7C1303BV25 manual Scan Register Sizes, Instruction Codes, Register Name Bit Size, Instruction Code Description

Contents

Configurations FeaturesFunctional Description CY7C1303BV25 1M x CY7C1306BV25 512K x Logic Block Diagram CY7C1306BV25 Logic Block Diagram CY7C1303BV25Selection Guide CY7C1303BV25-167 Unit CY7C1306BV25 512K x Pin Configuration Ball Fbga 13 x 15 x 1.4 mm Pinout Pin Definitions Introduction Concurrent Transactions Application Example1Depth Expansion Programmable Impedance Write 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 Diagram9 TAP AC Switching Characteristics Over the Operating Range11 TAP Controller Block Diagram Identification Register Definitions TAP Timing and Test Conditions12Parameter Description Min Max Unit Output Times Instruction Codes Scan Register SizesRegister Name Bit Size Instruction Code Description Bit # Bump ID Boundary Scan Order Operating Range Maximum RatingsThermal Resistance Capacitance Switching Characteristics Over the Operating RangeAC Test Loads and Waveforms Parameter Description Test Conditions Write Read NOP Switching Waveforms25, 26 Ordering Information Package DiagramCY7C1306BV25-167BZC CY7C1303BV25-167BZXC CY7C1306BV25-167BZI CY7C1303BV25-167BZXI Document History Issue Date Orig. Description of ChangeSYT NXR