9 i/o port timing, I/o port timing, Cp3bt26 – National CP3BT26 User Manual

Page 250

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CP3BT26

30.9

I/O PORT TIMING

Figure 115.

I/O Port Timing

Table 86

I/O Port Signals

Symbol Figure

Description

Reference

Min (ns)

Max (ns)

I/O Port Input Signals

t

IS

115

Input Setup Time

Before Rising Edge (RE)
on System Clock

-

t

IH

115

Input Hold Time

After RE on System Clock

-

I/O Port Output Signals

t

COv1

115

Output Valid Time

After RE on System Clock

-

t

OF

115

Output Floating Time

After RE on System Clock

-

CLK

1

1

1

2

2

2

1

1

1

2

2

2

PORTS B, C (input)

PORTS B, C (output)

t

IS

t

COv1

t

lH

t

COv1

t

OF

DS100

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