MPC8610EC datasheet(70/96 Pages) FREESCALE

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MPC8610 Integrated Host Processor Hardware Specifications, Rev. 0

Electrical Characteristics

Freescale Semiconductor

2.19

JTAG

This section describes the DC and AC electrical specifications for the IEEE 1149.1 (JTAG) interface of the MPC8610.

2.19.1

JTAG DC Electrical Characteristics

Table 51 provides the JTAG DC electrical characteristics for the JTAG interface.

2.19.2

JTAG AC Electrical Specifications

Table 52 provides the JTAG AC timing specifications as defined in Figure 45 through Figure 47.

Table 51. JTAG DC Electrical Characteristics

Parameter

Symbol

Min

Max

Unit

High-level input voltage

VIH

2OVDD + 0.3

Low-level input voltage

VIL

–0.3

0.8

Input current (VIN

1 = 0 V or V

IN = VDD)IIN

—±5

μA

High-level output voltage (OVDD = mn, IOH = –100 μA)

VOH

OVDD – 0.2

—

Low-level output voltage (OVDD = min, IOL = 100 μA)

VOL

—0.2

Note:

1. The symbol VIN, in this case, represents the OVIN symbol referenced in Table 2 and Table 3.

Table 52. JTAG AC Timing Specifications (Independent of SYSCLK)1

At recommended operating conditions (see Table 3).

Parameter

Symbol2

Min

Max

Unit

Notes

JTAG external clock frequency of operation

fJTG

33.3

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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