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EP7309-EB-C

High-Performance, Low-Power System on Chip Enhanced Digital Audio Interface

Cirrus Logic 

EP7309

High-Performance, Low-Power System on Chip

JTAG

Parameter

TCK clock period

TCK clock high time

TCK clock low time

JTAG port setup time

JTAG port hold time

JTAG port clock to output

JTAG port high impedance to valid output

JTAG port valid output to high impedance

Symbol

tclk_per

tclk_high

tclk_low

tJPs

tJPh

tJPco

tJPzx

tJPxz

Min

100

50

50

20

45

-

-

-

Max

-

-

-

-

-

25

25

25

Units

ns

ns

ns

ns

ns

ns

ns

ns

TCK

TMS

TDI

TDO

tclk_per

tclk_high

tclk_low

tJPh

tJPs

tJPzx

tJPco

Figure 9. JTAG Timing Measurement

tJPxz

20

Copyright 2001 Cirrus Logic (All Rights Reserved)

DS507PP1

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