
2-36
DSP56007/D MOTOROLA
Specifications
General Purpose I/O (GPIO) Timing
GENERAL PURPOSE I/O (GPIO) TIMING
(C
L
= 50 pF + 2 TTL Loads)
Table 2-16
GPIO Timing
No.
Characteristics
Expression
50/66/88 MHz
Unit
Min
Max
201
EXTAL Edge to GPIO Out Valid (GPIO Out Delay Time)
26
—
26
ns
202
EXTAL Edge to GPIO Out Not Valid (GPIO Out Hold
Time)
2
2
—
ns
203
GPIO In Valid to EXTAL Edge (GPIO In Set-up Time)
10
10
—
ns
204
EXTAL Edge to GPIO In Not Valid (GPIO In Hold Time)
6
6
—
ns
Figure 2-22 GPIO Timing
Valid
GPIO(0:3)
(Input)
GPIO(0:3)
(Output)
EXTAL
(Input)
(Note 1)
Note:
1.
Valid when the ratio between EXTAL frequency and internal clock frequency equals 1
201
202
204
203
AA0276
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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Содержание NXP SYMPHONY DSP56007
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