3-6
DSP56367
MOTOROLA
Specifications
Internal Clocks
3.6
INTERNAL CLOCKS
Table 3-4 Internal Clocks
Characteristics
Symbol
Expression
1, 2
Min
Typ
Max
Internal operation frequency with PLL
enabled
f
—
(Ef
×
MF)/
×
DF)
—
Internal operation frequency with PLL
disabled
f
—
Ef/2
—
Internal clock high period
T
H
•
With PLL disabled
—
ET
C
—
•
With PLL enabled and
MF
≤
4
0.49
×
ET
C
×
×
DF/MF
—
0.51
×
ET
C
×
×
DF/MF
•
With PLL enabled and
MF > 4
0.47
×
ET
C
×
×
DF/MF
—
0.53
×
ET
C
×
×
DF/MF
Internal clock low period
T
L
•
With PLL disabled
—
ET
C
—
•
With PLL enabled and
MF
≤
4
0.49
×
ET
C
×
×
DF/MF
—
0.51
×
ET
C
×
×
DF/MF
•
With PLL enabled and
MF > 4
0.47
×
ET
C
×
×
DF/MF
—
0.53
×
ET
C
×
×
DF/MF
Internal clock cycle time with PLL
enabled
T
C
—
ET
C
×
×
DF/MF
—
Internal clock cycle time with PLL
disabled
T
C
—
2
×
ET
C
—
Instruction cycle time
I
CYC
—
T
C
—
Note:
1.
DF = Division Factor
Ef = External frequency
ET
C
= External clock cycle
MF = Multiplication Factor
PDF = Predivision Factor
T
C
= internal clock cycle
2.
Refer to the
DSP56300 Family Manual
for a detailed discussion of the PLL.
Содержание DSP56367
Страница 16: ...xvi MOTOROLA CONTENTS Paragraph Number Title Page Number ...
Страница 22: ...xxii MOTOROLA List of Figures Figure Number Title Page Number ...
Страница 26: ...xxvi MOTOROLA List of Tables Table Number Title Page Number ...
Страница 148: ...4 6 DSP56367 MOTOROLA Design Considerations PLL Performance Issues ...
Страница 248: ...9 30 DSP56367 MOTOROLA Serial Host Interface SHI Programming Considerations ...
Страница 306: ...10 58 DSP56367 MOTOROLA Enhanced Serial Audio Interface ESAI ESAI Initialization Examples ...
Страница 389: ...Bootstrap ROM Contents MOTOROLA DSP56367 A 15 end ...
Страница 390: ...A 16 DSP56367 MOTOROLA Bootstrap ROM Contents ...
Страница 432: ...C 8 DSP56367 MOTOROLA JTAG BSDL ...
Страница 484: ...D 52 DSP56367 MOTOROLA Programmer s Reference ...
Страница 490: ...E 6 DSP56367 MOTOROLA Power Consumption Benchmark ...
Страница 516: ...F 26 DSP56367 MOTOROLA IBIS Model ...
Страница 522: ...Index 6 MOTOROLA Index ...
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