Corp. Computer Hardware User Manual

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uPSD3212A, uPSD3212C, uPSD3212CV
Figure 79. Peripheral I/O READ Timing
Table 133. Port A Peripheral Data Mode READ Timing (5V Devices)
Note: 1. Any input used to select Port A Data Peripheral Mode.
2. Data is already stable on Port A.
Table 134. Port A Peripheral Data Mode READ Timing (3V Devices)
Note: 1. Any input used to select Port A Data Peripheral Mode.
2. Data is already stable on Port A.
Symbol Parameter Conditions Min Max
Turbo
Off
Unit
t
AVQV–PA
Address Valid to Data
Valid
(Note
1)
37 + 10 ns
t
SLQV–PA
CSI Valid to Data Valid 27 + 10 ns
t
RLQV–PA
RD to Data Valid
(Note
2)
32 ns
t
DVQV–PA
Data In to Data Out Valid 22 ns
t
RHQZ–PA
RD to Data High-Z 23 ns
Symbol Parameter Conditions Min Max
Turbo
Off
Unit
t
AVQV–PA
Address Valid to Data Valid
(Note
1)
50 + 20 ns
t
SLQV–PA
CSI Valid to Data Valid 37 + 20 ns
t
RLQV–PA
RD to Data Valid
(Note
2)
45 ns
t
DVQV–PA
Data In to Data Out Valid 38 ns
t
RHQZ–PA
RD to Data High-Z 36 ns
t
RLQV
(PA)
t
DVQV
(PA)
t
RHQZ
(PA)
t
SLQV
(PA)
t
AVQV
(PA)
ADDRESS DATA VALID
ALE
A/D BUS
RD
DATA ON PORT A
CSI
AI06610
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