ZUSBOPTSC01ZAC datasheet(293/402 Pages) ZILOG

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PS024604-1005

P R E L I M I N A R Y

General Purpose I/O Port Input Data Sample

Z8FMC16100 Series Flash MCU

Product Specification

271

General Purpose I/O Port Input Data Sample Timing

Figure 51 illustrates the timing of the GPIO Port input sampling. Table 149 lists the GPIO

port input timing.

Table 149 and Table 150 provide timing information for the GPIO Port inputs and outputs.

Figure 51. Port Input Sample Timing

Table 149. GPIO Port Input Timing

Parameter

Abbreviation

Delay (ns)

Min

Max

TS_PORT

Port input transition to XIN fall setup time

(Not pictured)

5—

TH_PORT

XIN fall to port input transition hold time (not pictured).

—

TSMR

GPIO port pin pulse width to ensure Stop-Mode

Recovery (for GPIO port pins enabled as SMR

sources) .

1µs

TCLK

System

Clock

GPIO Pin

Input Value

GPIO Input

Data Latch

GPIO Data

Read on Data Bus

Port Value

Changes to 0

0 Latched

into Port Input

Data Register

GPIO Data Register

Value 0 Read

by eZ8 CPU

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