PPC8567ECVTANJGA datasheet(54/139 Pages) FREESCALE

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MPC8568E/MPC8567E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1

Freescale Semiconductor

JTAG

10 JTAG

This section describes the DC and AC electrical specifications for the IEEE Std 1149.1™ (JTAG) interface

of the MPC8568E.

10.1

JTAG DC Electrical Characteristics

Table provides the DC electrical specifications for the IEEE 1149.1 (JTAG) interface of the MPC8568E.

10.2

JTAG AC Electrical Characteristics

Table 45 provides the JTAG AC timing specifications as defined in Figure 31 through Figure 33.

Table 44. JTAG DC Electrical Characteristics

Parameter

Symbol

Condition

Min

Max

Unit

Output high voltage

VOH

IOH = -6.0 mA

2.4

—

Output low voltage

VOL

IOL = 6.0 mA

—

0.5

Output low voltage

VOL

IOL = 3.2 mA

—

0.4

Input high voltage

VIH

—2.5

OVDD + 0.3

Input low voltage

VIL

—-0.3

0.8

Input current

IIN

0 < VIN < OVDD

—

±10

Table 45. JTAG AC Timing Specifications (Independent of SYSCLK) 1

At recommended operating conditions (see Table 3).

Parameter

Symbol 2

Min

Max

Unit

Notes

JTAG external clock frequency of operation

fJTG

033.3

MHz

—

JTAG external clock cycle time

t JTG

—

JTAG external clock pulse width measured at 1.4 V

tJTKHKL

—

JTAG external clock rise and fall times

tJTGR & tJTGF

TRST assert time

tTRST

—

Input setup times:

Boundary-scan data

TMS, TDI

tJTDVKH

tJTIVKH

—

Input hold times:

Boundary-scan data

TMS, TDI

tJTDXKH

tJTIXKH

—

Valid times:

Boundary-scan data

TDO

tJTKLDV

tJTKLOV

Output hold times:

Boundary-scan data

TDO

tJTKLDX

tJTKLOX

—

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