Cypress Semiconductor CY7C1364C Manual do Utilizador descarregar pdf (Página 13)

CY7C1364C

Document Number: 001-74592 Rev. *B Page 13 of 29

TAP Controller Block Diagram

TAP Timing

Bypass Register

0

Instruction Register

012

Identication Register

012293031 ...

Boundary Scan Register

012..x ...

Selection

Circuitry

TCK

TMS

TAP CONTROLLER

TDI TDO

Selection

Circuitry

t

TL

Test Clock

(TCK)

123456

T

est Mode Select

(TMS)

t

TH

Test Data-Out

(TDO)

t

CYC

Test Data-In

(TDI)

t

TMSH

t

TMSS

t

TDIH

t

TDIS

t

TDOX

t

TDOV

DON’T CARE UNDEFINED

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