Cypress CY7C1527JV18 TAP Controller State Diagram, State diagram for the TAP controller follows

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CY7C1516JV18, CY7C1527JV18

CY7C1518JV18, CY7C1520JV18

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: 001-12559 Rev. *D

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Contents Functional Description FeaturesConfigurations Selection GuideDoff Logic Block Diagram CY7C1516JV18Logic Block Diagram CY7C1527JV18 CLKBWS Logic Block Diagram CY7C1518JV18Logic Block Diagram CY7C1520JV18 CY7C1516JV18 8M x Pin ConfigurationBall Fbga 15 x 17 x 1.4 mm Pinout CY7C1527JV18 8M xCY7C1518JV18 4M x CY7C1520JV18 2M xPin Definitions Pin Name Pin DescriptionTDO for Jtag Power Supply Inputs to the Core of the DevicePower Supply Inputs for the Outputs of the Device TCK Pin for JtagDDR Operation Single Clock ModeFunctional 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 State diagram for the TAP controller followsTDI TAP Controller Block DiagramTAP Electrical Characteristics TCKTAP AC Switching Characteristics TAP Timing and Test ConditionsInstruction Codes Identification Register DefinitionsScan Register Sizes Boundary Scan Order Bit # Bump IDDLL Constraints Power Up Sequence in DDR-II SramPower Up Sequence Maximum Ratings Electrical CharacteristicsDC Electrical Characteristics Thermal Resistance AC Electrical CharacteristicsCapacitance Parameter Description Test Conditions Max UnitDLL Timing Cypress Consortium Description 300 MHz 250 MHz UnitParameter Min Max Read Switching WaveformsNOP NOP Write ReadOrdering Information Package Diagram Ball Fbga 15 x 17 x 1.40 mmREV ECN no Issue ORIG. Description of Change Date Sales, Solutions, and Legal InformationWorldwide Sales and Design Support Products PSoC Solutions