Z8FMC16100 Datasheet, PDF (293/402 Pages) Zilog, Inc. – Z8 Encore-R Motor Control Flash MCUs

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.
System
Clock
GPIO Pin
Input Value
T_CLK
Port Value
Changes to 0
GPIO Input
Data Latch
GPIO Data
Read on Data Bus
0 Latched
into Port Input
Data Register
Figure 51. Port Input Sample Timing
GPIO Data Register
Value 0 Read
by eZ8 CPU
Table 149 and Table 150 provide timing information for the GPIO Port inputs and outputs.
Table 149. GPIO Port Input Timing
Parameter Abbreviation
T_{S_PORT}
Port input transition to X_IN fall setup time
(Not pictured)
T_{H_PORT}
T_SMR
X_IN fall to port input transition hold time (not pictured).
GPIO port pin pulse width to ensure Stop-Mode
Recovery (for GPIO port pins enabled as SMR
sources) .
Delay (ns)
Min
Max
5
—
5
—
1 µs
PS024604-1005
P R E L I M I N A R Y General Purpose I/O Port Input Data Sample