dsp56002fc80 Freescale Semiconductor, Inc, dsp56002fc80 Datasheet - Page 52

• Manufacturer Part Number: dsp56002fc80
• Description: 24-bit Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

No.
126 RD Deassertion to
127 Address Valid to RD
128 Input Data Hold Time
129 RD Assertion Width
130 Address Valid to Input
131 Address Valid to
132 RD Assertion to Input
133 WR Deassertion to
134 RD Deassertion to
135 WR Deassertion to
Specifications
External Bus Asynchronous Timing
2-26
Address Not Valid
Deassertion
to RD Deassertion
Data Valid
RD Assertion
Data Valid
RD Assertion
RD Assertion
WR Assertion
•
•
•
•
•
•
•
•
•
•
Characteristics
WS = 0
WS > 0
WS = 0
WS > 0
WS = 0
WS > 0
WS = 0
WS > 0
WS = 0
WS > 0
Table 2-12 External Bus Asynchronous Timing (Continued)
T
((WS +
((WS +
T
T
T
T
T
T
T
T
T
T
L
T
Min
C
1)
1)
H
C
C
C
C
T
L
L
C
—
—
—
—
C
– 4.5
C
) – 4
0
H
) +
– 6
– 6
– 4
– 7
– 4
– 4
– 4
+
+
40 MHz
((WS+1) T
((WS+1) T
T
C
T
DSP56002/D, Rev. 3
T
+ T
L
C
Max
7.5
—
—
—
—
—
—
—
—
—
—
—
– 9.5
– 7.5
L
– 9.5
C
C
) +
) –
T
T
((WS +
((WS +
T
T
T
T
T
T
T
T
T
C
T
L
Min
T
C
1)
1)
H
C
H
L
L
C
C
C
—
—
—
—
C
C
) – 4
– 4.5
– 2.5
0
– 6
) +
– 6
– 4
– 5
– 3
– 1
– 3
+
+
66 MHz
((WS+1) T
((WS+1) T
T
C
T
T
C
Max
+ T
L
5.5
—
—
—
—
—
—
—
—
—
—
—
– 5.5
– 7
L
– 7
C
C
) +
) –
T
T
((WS +
((WS +
T
T
T
T
T
T
T
T
L
C
Min
T
T
C
1)
1)
H
L
L
C
C
C
T
C
—
—
—
—
C
– 4.5
C
) – 4
– 2.5
0
H
) +
– 6
– 6
– 4
– 5
– 3
– 3
+
+
80 MHz
((WS+1) T
((WS+1)
T
C
+ T
T
MOTOROLA
C
+ T
Max
5.5
—
—
—
—
—
—
—
—
—
—
—
L
– 5.5
L
– 6
– 6
T
C
) –
C
)
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns