7 jtag interface ac timing, 1 jtag interface ac timing table, 2 jtag interface test circuit – Marvel Group Integrated Controller 88F6281 User Manual

Page 101: Table 54, Jtag interface ac timing table, Figure 21, Jtag interface test circuit

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Electrical Specifications

AC Electrical Specifications

Copyright © 2008 Marvell

Doc. No. MV-S104859-U0 Rev. E

December 2, 2008, Preliminary

Document Classification: Proprietary Information

Page 101

8.6.7

JTAG Interface AC Timing

8.6.7.1

JTAG Interface AC Timing Table

Table 54: JTAG Interface AC Timing Table

8.6.7.2

JTAG Interface Test Circuit

Figure 21: JTAG Interface Test Circuit

Min

Max

JTClk frequency

fCK

MHz

-

JTClk minimum pulse w idth

Tpw

0.45

0.55

tCK

-

JTClk rise/fall slew rate

Sr/Sf

0.50

-

V/ns

2

JTRSTn active time

Trst

1.0

-

ms

-

TMS, TDI input setup relative to JTClk rising edge

Tsetup

6.67

-

ns

-

TMS, TDI input hold relative to JTClk rising edge

Thold

13.0

-

ns

-

JTClk falling edge to TDO output delay

Tprop

1.0

8.33

ns

1

Notes:

General comment: All values w ere measured from vddio/2 to vddio/2, unless otherw ise specified.

General comment: tCK = 1/fCK.

1. For TDO signal, the load is CL = 10 pF.

2. Defined from VIL to VIH for rise time, and from VIH to VIL for fall time.

30.0

Notes

30 MHz

Description

Sym bol

Units

CL

Test Point

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