MPC8343ECVRADDB datasheet(38/80 Pages) NXP

38 / 80 page

MPC8343EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 11

Freescale Semiconductor

JTAG

11.2

JTAG AC Timing Specifications

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

MPC8343EA. Table 37 provides the JTAG AC timing specifications as defined in Figure 24 through

Figure 27.

Output low voltage

VOL

IOL = 8.0 mA

—

0.5

Output low voltage

VOL

IOL = 3.2 mA

—

0.4

Table 37. JTAG AC Timing Specifications (Independent of CLKIN)1

At recommended operating conditions (see Table 2).

Parameter

Symbol2

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

—

Table 36. JTAG Interface DC Electrical Characteristics (continued)

Parameter

Symbol

Condition

Min

Max

Unit

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