MPC8349A View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

MFG CO.

MPC8349A

PowerQUICC II Pro Integrated Host Processor Hardware Specifications

Freescale Semiconductor 

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JTAG

Table 40. JTAG Interface DC Electrical Characteristics (continued)

Parameter

Output low voltage

Output low voltage

Symbol

Condition

Min

VOL

IOL = 8.0 mA

—

VOL

IOL = 3.2 mA

—

Max

Unit

0.5

V

0.4

V

11.2 JTAG AC Timing Specifications

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

MPC8349EA. Table 41 provides the JTAG AC timing specifications as defined in Figure 28 through

Figure 31.

Table 41. 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

0

JTAG external clock cycle time

t JTG

30

JTAG external clock pulse width measured at 1.4 V

tJTKHKL

15

JTAG external clock rise and fall times

tJTGR, tJTGF

0

TRST assert time

tTRST

25

Input setup times:

Boundary-scan data

tJTDVKH

4

TMS, TDI

tJTIVKH

4

Input hold times:

Boundary-scan data

tJTDXKH

10

TMS, TDI

tJTIXKH

10

Valid times:

Boundary-scan data

tJTKLDV

2

TDO

tJTKLOV

2

Output hold times:

Boundary-scan data

tJTKLDX

2

TDO

tJTKLOX

2

33.3

MHz

—

—

ns

—

—

ns

—

2

ns

—

—

ns

3

ns

—

4

—

ns

—

4

—

ns

11

5

11

ns

—

5

—

MPC8349EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 13

42

Freescale Semiconductor

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