DSP56001FE33 MOTOROLA [Motorola, Inc], DSP56001FE33 Datasheet - Page 50
![no-image](/images/no-image-200.jpg)
DSP56001FE33
Manufacturer Part Number
DSP56001FE33
Description
24-Bit General Purpose Digital Signal Processor
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.DSP56001FE33.pdf
(64 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DSP56001FE33
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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MOTOROLA
B-50
Figure B-5 shows an alternative clock oscillator circuit used in
the Graphic Equalizer application note (APR2). The 330
tor provides additional current limiting in the crystal. Figure B-6
shows a circuit which waits until Vcc on the DSP is at least 4.5 V
LOGIC
RESET
•
•
2 (2)
Figure B-5. Alternative Clock Circuit from the Graphic Equalizer (APR2)
MC34064
MC33064
1.2 V
•
3 (4)
ref
Figure B-6. Reset Circuit Using MC34064/MC33064
+
-
Notes: 1. IRQA and IRQB must
10 pf
U1
•
•
2. MODA and MODB
•
•
be hardwired.
must be hard wired.
resis-
•
470K
330
20.5
MHz
1 (1)
before initiating a 3.75 ms minimum (150,000T) oscillator stabili-
zation delay required for the on-chip oscillator (only 50T is re-
quired for an external oscillator). This insures that the DSP is op-
erational and stable before releasing the reset signal.
•
t
Where:
t
V
R = 8.2K + 5%
f
DLY
•
•
•
DLY
osc
in
= 5 V
= 20.5 MHz
= RC
= 150,000T min.
10 pf
+5V
DLY
•
•
•
XTAL
EXTAL
In
R
C
1 -
DLY
V
1
V
in
th
- V
V
V
C
T = 25 ns
th
ol
DLY
ol
= 0.4 V
= 2.5 V
RESET
= 1 f + 20%
DSP56001
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