Cypress CY7C1516AV18, CY7C1527AV18, CY7C1520AV18, CY7C1518AV18 manual TAP Controller State Diagram

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CY7C1516AV18, CY7C1527AV18

CY7C1518AV18, CY7C1520AV18

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: 001-06982 Rev. *D

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Contents Functional Description FeaturesConfigurations Selection GuideDoff Logic Block Diagram CY7C1516AV18Logic Block Diagram CY7C1527AV18 CLKBWS Logic Block Diagram CY7C1518AV18Logic Block Diagram CY7C1520AV18 CY7C1516AV18 8M x Pin ConfigurationBall Fbga 15 x 17 x 1.4 mm Pinout CY7C1527AV18 8M xCY7C1518AV18 4M x CY7C1520AV18 2M xSynchronous Read or Write input. When Pin DefinitionsPin Name Pin Description TDO 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 ClocksFirst Address External Second Address Internal Write Cycle DescriptionsOperation BWS0/ BWS1 NWS0 NWS1BWS0 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 Static to DLL Reset DLL TimingRead Switching WaveformsNOP NOP Write ReadOrdering Information 250 167 Package Diagram Ball Fbga 15 x 17 x 1.4 mmREV ECN no Submission ORIG. Description of Change Date Sales, Solutions, and Legal InformationWorldwide Sales and Design Support Products PSoC Solutions