MPC8569E datasheet(99/127 Pages) FREESCALE

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JTAG Controller

MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1

Freescale Semiconductor

2.14

JTAG Controller

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

2.14.1

JTAG DC Electrical Characteristics

The following table provides the JTAG DC electrical characteristics.

2.14.2

JTAG AC Timing Specifications

The following table provides the JTAG AC timing specifications as defined in Figure 52 through Figure 55.

Table 61. JTAG DC Electrical Characteristics

For recommended operating conditions, see Table 3

Parameter

Symbol

Min

Max

Unit

Notes

Input high voltage

VIH

2—

Input low voltage

VIL

—0.8

Input current (OVIN = 0 V or OVIN = OVDD)

IIN

—±40

μA2

Output high voltage (OVDD = min, IOH = –2 mA)

VOH

2.4

—

Output low voltage (OVDD = min, IOL = 2 mA)

VOL

—0.4

—

Note:

1. The min VILand max VIH values are based on the respective min and max OVIN values found in Table 3.

2. The symbol OVIN represents the input voltage of the supply. It is referenced in Table 3.

Table 62. JTAG AC Timing Specifications

For recommended operating conditions, see Table 3

Parameter

Symbol1

Min

Max

Unit

Notes

JTAG external clock frequency of operation

fJTG

033.3

MHz

—

JTAG external clock cycle time

tJTG

—

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

tJTDVKH

4—

—

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