Motorola MCF5281, MCF5282 user manual Debug AC Timing Specifications, Clkout VIL

Models: MCF5282 MCF5281

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Debug AC Timing Specifications

CLKOUT VIL

BKPT (Input)

 

 

 

 

 

 

 

 

VIH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Data

Valid

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

 

 

 

 

Figure 33-19. BKPT Timing

33.16 Debug AC Timing Specifications

Table 33-24lists specifications for the debug AC timing parameters shown in Figure 33-21.

Table 33-24. Debug AC Timing Specification

Num

 

Characteristic

Min

Max

Units

 

 

 

 

 

D1

PST, DDATA to TCLK setup

5

 

ns

 

 

 

 

 

D2

TCLK to PST, DDATA hold

2

 

ns

 

 

 

 

 

D3

DSI-to-DSCLK setup

1

 

CLKOUT

 

 

 

 

 

 

 

cycles

 

 

 

 

 

D4 1

DSCLK-to-DSO hold

4

 

CLKOUT

 

 

 

 

 

 

 

cycles

 

 

 

 

 

D5

DSCLK cycle time

5

 

CLKOUT

 

 

 

 

 

 

 

cycles

 

 

 

 

 

 

D6

 

input data setup time to

5.0

 

ns

BKPT

 

 

CLKOUT Rise

 

 

 

 

 

 

 

 

 

D7

 

input data hold time to

2.0

 

ns

BKPT

 

 

CLKOUT Rise

 

 

 

 

 

 

 

 

 

 

D8

CLKOUT high to

 

high Z

0.0

10.0

ns

BKPT

1DSCLK and DSI are synchronized internally. D4 is measured from the synchronized DSCLK input relative to the rising edge of CLKOUT.

MOTOROLA

Chapter 33. Electrical Characteristics

33-27

Page 777
Image 777
Motorola MCF5281, MCF5282 user manual Debug AC Timing Specifications, Clkout VIL