UPSD3212A Datasheet, PDF (152/163 Pages) STMicroelectronics – Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic

uPSD3212A, uPSD3212C, uPSD3212CV
Figure 80. Peripheral I/O WRITE Timing
ALE
A /D BUS
ADDRESS
DATA OUT
tWLQV (PA)
tWHQZ (PA)
WR
tDVQV (PA)
PORT A
DATA OUT
Table 135. Port A Peripheral Data Mode WRITE Timing (5V Devices)
Symbol
Parameter
Conditions
Min
t_WLQV–PA
WR to Data Propagation Delay
t_DVQV–PA
Data to Port A Data Propagation Delay
(Note 1)
t_WHQZ–PA WR Invalid to Port A Tri-state
Note: 1. Data stable on Port 0 pins to data on Port A.
Table 136. Port A Peripheral Data Mode WRITE Timing (3V Devices)
Symbol
Parameter
Conditions
Min
t_WLQV–PA
WR to Data Propagation Delay
t_DVQV–PA
Data to Port A Data Propagation Delay
(Note 1)
t_WHQZ–PA WR Invalid to Port A Tri-state
Note: 1. Data stable on Port 0 pins to data on Port A.
AI06611
Max
Unit
25
ns
22
ns
20
ns
Max
Unit
42
ns
38
ns
33
ns
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