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Figure 80. peripheral i/o write timing – ST & T UPSD3212C User Manual

Page 152

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uPSD3212A, uPSD3212C, uPSD3212CV

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Figure 80. Peripheral I/O WRITE Timing

Table 135. Port A Peripheral Data Mode WRITE Timing (5V Devices)

Note: 1. Data stable on Port 0 pins to data on Port A.

Table 136. Port A Peripheral Data Mode WRITE Timing (3V Devices)

Note: 1. Data stable on Port 0 pins to data on Port A.

Symbol

Parameter

Conditions

Min

Max

Unit

t

WLQV–PA

WR to Data Propagation Delay

25

ns

t

DVQV–PA

Data to Port A Data Propagation Delay

(Note

1)

22

ns

t

WHQZ–PA

WR Invalid to Port A Tri-state

20

ns

Symbol

Parameter

Conditions

Min

Max

Unit

t

WLQV–PA

WR to Data Propagation Delay

42

ns

t

DVQV–PA

Data to Port A Data Propagation Delay

(Note

1)

38

ns

t

WHQZ–PA

WR Invalid to Port A Tri-state

33

ns

tDVQV (PA)

tWLQV (PA)

tWHQZ (PA)

ADDRESS

DATA OUT

A / D BUS

WR

PORT A

DATA OUT

ALE

AI06611

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