ez80190 ZiLOG Semiconductor, ez80190 Datasheet - Page 207

• Manufacturer Part Number: ez80190
• Description: Ez80190 Microprocessor
• Manufacturer: ZiLOG Semiconductor

PS006613-0306
External Bus Acknowledge Timing
External System Clock Driver Timing
Parameter
T
T
Parameter
T
T
Parameter
T
T
1
2
1
2
1
2
Table 120
Table 121
peripherals to synchronize with the internal system clock driver on the eZ80190
device.
Description
Clock Rise to Port Output Valid Delay
Clock Rise to Port Output Hold Time
Description
Clock Rise to BUSACKN Assertion Delay
Clock Rise to BUSACKN Deassertion Delay
Description
Clock Rise to PHI Rise
Clock Fall to PHI Fall
provides bus acknowledge timing details.
provides timing information for the PHI pin. The PHI pin allows external
Table 120. Bus Acknowledge Timing
Table 121. PHI System Clock Timing
Table 119. GPIO Port Output Timing
PRELIMINARY
Min
Min
Min
1.8
2.3
1.8
2.0
—
—
Delay (ns)
Delay (ns)
Delay (ns)
AC Characteristics
Max
Max
Max
8.9
6.5
4.0
4.8
—
—
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