dsp56001a Freescale Semiconductor, Inc, dsp56001a Datasheet - Page 24

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

DSP56001A
External Clock (EXTAL Pin)
2-6
Note:
No
1
2
3
4
Frequency of Operation
(EXTAL Pin)
Clock Input High
(46.7% – 53.3% duty cycle)
Clock Input Low
(46.7% – 53.3% duty cycle)
Clock Cycle Time
Instruction Cycle Time =
NOTE: The midpoint is V
External Clock Input High and External Clock Input Low are reserved at 50% of the input
transition.
EXTAL
I
CYC
Characteristics
= 2 T
C
ET
Freescale Semiconductor, Inc.
1
H
Figure 2-3 External Clock Timing
For More Information On This Product,
ILC
Table 2-7 Clock Operation
ET
+ 0.5 (V
DSP56001A/D, Rev. 1
3
C
Symbol
Go to: www.freescale.com
I
ET
ET
ET
CYC
E
IHC
f
ET
H
L
C
2
L
– V
ILC
Min
4
).
17
17
37
74
4
27 MHz
Max
150
150
250
500
27
Min
13.5
13.5
Midpoint
30
60
4
V
33 MHz
IHC
Max
150
150
250
500
33
MOTOROLA
V
ILC
MHz
Unit
AA0360
ns
ns
ns
ns