dsp56001a Freescale Semiconductor, Inc, dsp56001a Datasheet - Page 45

• Manufacturer Part Number: dsp56001a
• Description: 24-bit Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA
No.
119 Delay from BG Deassertion to
120 Address Valid to WR Assertion
121 WR Assertion Width
122 WR Deassertion to Address
123 WR Assertion to Data Out
124 Data Out Hold Time from WR
125 Data Out Setup Time to WR
126 RD Deassertion to Address Not
127 Address Valid to RD
Address and Control Bus
Enabled
Not Valid
Active From High Impedance
Deassertion (the maximum
specification is periodically
sampled, and not 100% tested)
Deassertion
Valid
Deassertion
•
•
•
•
•
•
•
•
•
•
WS = 0
WS > 0
WS = 0
WS > 0
WS = 0
WS > 0
WS = 0
WS > 0
WS = 0
WS > 0
Characteristics
Table 2-13 External Bus Asynchronous Timing (Continued)
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
DSP56001A/D, Rev. 1
WS T
WS T
(WS + 1) T
T
C
+ T
T
T
T
T
T
T
T
T
Min
+ T
H
H
H
H
L
C
C
L
- 7
- 5
0
0
L
- 7
- 5
- 7
- 7
C
C
- 9
- 7
- 7
- 7
L
- 6
+ T
+ T
- 6
27 MHz
L
L
C
T
T
T
T
T
Max
H
H
C
L
—
—
—
—
—
—
—
—
H
8
+ 5
+ 5
+ 8
+ 6
-8
External Bus Asynchronous Timing
WS T
WS T
(WS + 1) T
T
C
T
T
T
T
T
T
+ T
T
T
H
H
H
H
Min
L
C
+ T
C
L
- 5
- 5
0
- 5.5
0
- 5.5
L
- 7.5
- 5.5
- 5.5
- 5.5
- 5
- 5
C
C
L
- 6
+ T
+ T
- 6
33 MHz
L
L
C
T
T
T
T
H
H
T
Max
C
L
6.5
—
—
—
—
—
—
—
—
H
+ 6.5
+ 4.5
+ 5
+ 5
-6
DSP56001A
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
2-27