Multi-Tech Systems 92U09G17825 Manuale Utente
PART 3 – Embedded Analog SocketModems
Chapter 6 – SocketModem (MT9234SMI)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342L)
106
Parallel Timing Requirements
Timing Requirements for Parallel Write
Parameter
Min
Max
Unit
–DS to –WR Setup (low to low)
10
-
ns
A0, A1, A2 to –WR Setup (valid to low)
15
-
ns
–WR Pulse Width (low to high)
40
-
ns
D0–D7 to –WR Setup (valid to high)
30
-
ns
–WR to –DS hold (high to high)
0
-
ns
–WR to A0–A2 Hold (high to invalid)
0
-
ns
–WR to D0–D7 Hold (high to invalid)
0
-
ns
–WR interaccess (high to low)
Non-MIMIC Accesses
MIMIC Accesses
Non-MIMIC Accesses
MIMIC Accesses
10
110
-
-
ns
ns
Timing Requirements for Parallel Read
Parameter
Min
Max
Unit
–DS to –RD Setup (low to low)
10
-
ns
A0, A1, A2 to –RD Setup (valid to low)
15
-
ns
–RD Pulse Width (low to high)
40
-
ns
–RD to –DS hold (high to high)
0
-
ns
–RD to A0–A2 Hold (high to invalid)
0
-
ns
–WR interaccess (high to low)
Non-MIMIC Accesses
MIMIC Accesses
Non-MIMIC Accesses
MIMIC Accesses
10
110
-
-
ns
ns