Cypress CY7C1420AV18, CY7C1416AV18, CY7C1418AV18, CY7C1427AV18 manual TAP Controller State Diagram

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CY7C1416AV18, CY7C1427AV18

CY7C1418AV18, CY7C1420AV18

TAP Controller State Diagram

The state diagram for the TAP controller follows. [9]

TEST-LOGIC RESET

TEST-LOGIC/ IDLE

1		1	1
1	SELECT	1	SELECT
	DR-SCAN		IR-SCAN
	0		0
	1		1

CAPTURE-DR		CAPTURE-IR
0		0
SHIFT-DR	0	SHIFT-IR	0
1		1
EXIT1-DR	1	EXIT1-IR	1
EXIT1-DR		EXIT1-IR
0		0
PAUSE-DR	0	PAUSE-IR	0
1		1
0		0
EXIT2-DR		EXIT2-IR
1		1
UPDATE-DR		UPDATE-IR
1		1
0		0

Note

9. The 0/1 next to each state represents the value at TMS at the rising edge of TCK.

Document Number: 38-05616 Rev. *F

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Contents Functional Description FeaturesConfigurations Selection GuideDoff Logic Block Diagram CY7C1416AV18Logic Block Diagram CY7C1427AV18 CLKBWS Logic Block Diagram CY7C1418AV18Logic Block Diagram CY7C1420AV18 CY7C1416AV18 4M x Pin ConfigurationBall Fbga 15 x 17 x 1.4 mm Pinout CY7C1427AV18 4M xCY7C1418AV18 2M x CY7C1420AV18 1M xSynchronous Read or Write Input. When Pin DefinitionsPin Name Pin Description Referenced with Respect to Power Supply Inputs to the Core of the DevicePower Supply Inputs for the Outputs of the Device TDO for JtagFunctional Overview Programmable Impedance Application ExampleDepth Expansion Echo ClocksNWS0 NWS1 Write Cycle DescriptionsBWS0 BWS1 BWS0 BWS0 BWS1 BWS2 BWS3Ieee 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 IDDLL Constraints Power Up Sequence in DDR-II SramPower Up Sequence Maximum Ratings Electrical CharacteristicsDC Electrical Characteristics AC Electrical Characteristics Parameter Description Test Conditions Max Unit CapacitanceThermal Resistance Parameter Description Test Conditions Fbga UnitSwitching Characteristics Clock Rise or K/K in single Clock mode to Data Valid Read Switching WaveformsNOP NOP Write ReadOrdering Information 250 167 Package Diagram Ball Fbga 15 x 17 x 1.4 mmOirg. Submission Date Description Of Change Document HistoryECN VKN/AESA Sales, Solutions, and Legal InformationWorldwide Sales and Design Support Products PSoC Solutions Pyrs