TAP Controller Block Diagram

CY7C1310AV18

CY7C1312AV18

PRELIMINARYCY7C1314AV18

TDI

TCK

Selection Circuitry

Bypass Register

2 1 0

Instruction Register

31 30 29 . . 2 1 0 Identification Register

106 . . . . 2 1 0 Boundary Scan Register

Selection

Circuitry

TDO

TMS

TAP Controller

TAP Electrical Characteristics Over the Operating Range[9,12,25]

Parameter	Description	Test Conditions	Min.	Max.	Unit
VOH1	Output HIGH Voltage	IOH = −2.0 mA	1.4		V
VOH2	Output HIGH Voltage	IOH = −100 ∝A	1.6		V
VOL1	Output LOW Voltage	IOL = 2.0 mA		0.4	V
VOL2	Output LOW Voltage	IOL = 100 ∝A		0.2	V
VIH	Input HIGH Voltage		0.65VDD	VDD + 0.3	V
VIL	Input LOW Voltage		–0.3	0.35VDD	V
IX	Input and OutputLoad Current	GND ≤ VI ≤ VDD	−5	5	∝A

Note:

25. These characteristic pertain to the TAP inputs (TMS, TCK, TDI and TDO). Parallel load levels are specified in the Electrical Characteristics table.

Document #: 38-05497 Rev. *A

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Cypress CY7C1314AV18, CY7C1312AV18 manual TAP Controller Block Diagram, Parameter Description Test Conditions Min Max Unit

Contents

Features ConfigurationsLogic Block Diagram CY7C1310AV18 Functional Description Logic Block Diagram CY7C1312AV18 Logic Block Diagram CY7C1314AV18Selection Guide 167 MHz 133 MHz Unit VSS Pin ConfigurationsTMS TDI Pin Definitions Pin Name Pin DescriptionOperations WPS Negative Output Clock Input Negative Input Clock InputIs referenced with respect to TDO for Jtag Introduction DLL Application Example1RPS WPS BWS Write Cycle Descriptions CY7C1314AV18 2Comments DC Electrical Characteristics Over the Operating Range9,14 AC Electrical Characteristics Over the Operating RangeMaximum Ratings Operating Range Switching Characteristics Over the Operating Range 16,17 Thermal Resistance20 Capacitance20 AC Test Loads and WaveformsParameter Description Test Conditions Max Unit Input Capacitance TA = 25C, f = 1 MHz VDD = Preliminary Read/Write/Deselect Sequence Ieee 1149.1 Serial Boundary Scan Jtag Idcode Sample Z SAMPLE/PRELOADBypass Extest TAP Controller State Diagram24 EXIT2-IR UPDATE-DR UPDATE-IR TAP Controller Block Diagram Parameter Description Test Conditions Min Max Unit TAP Timing and Test Conditions27 TAP AC Switching Characteristics Over the Operating Range26Parameter Description Min Max Unit Identification Register Definitions Scan Register SizesInstruction Codes Boundary Scan Order 10F Package Diagram Ordering Information Document History REVDIM VBL

Cypress CY7C1314AV18, CY7C1312AV18, CY7C1310AV18 manual TAP Controller Block Diagram

Models: CY7C1310AV18 CY7C1312AV18 CY7C1314AV18

TAP Controller Block Diagram

TDI

TCK

TAP Controller

Parameter

Description

Test Conditions

Min.

Max.

Unit