DSPB56364FU100 Freescale Semiconductor, DSPB56364FU100 Datasheet - Page 21

• Manufacturer Part Number: DSPB56364FU100
• Manufacturer: Freescale Semiconductor

Specifications of DSPB56364FU100

• Device Core Size: 24b
• Format: Fixed Point
• Clock Freq (max): 100MHz
• Mips: 100
• Device Input Clock Speed: 100MHz
• Ram Size: 9KB
• Program Memory Size: 24KB
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3.14V
• Operating Supply Voltage (max): 3.46V
• Operating Temp Range: -40C to 105C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / Rohs Status: Not Compliant

3.7
The DSP56364 system clock is an externally supplied square wave voltage source connected to EXTAL
(See
Freescale Semiconductor
1
2
Internal clock low period
Internal clock cycle time with PLL enabled
Internal clock cycle time with PLL disabled
Instruction cycle time
• With PLL disabled
• With PLL enabled and MF ≤ 4
• With PLL enabled and MF > 4
DF = Division Factor
Ef = External frequency
ET
MF = Multiplication Factor
PDF = Predivision Factor
T
See the PLL and Clock Generation section in the DSP56300 Family Manual for a detailed discussion of the PLL.
C
C
Figure
= internal clock cycle
= External clock cycle
External Clock Operation
Note: The midpoint is 0.5 (V
3-1).
Characteristics
EXTAL
V
ILC
ETH
2
IHC
Table 3-4 Internal Clocks (continued)
Figure 3-1 External Clock Timing
+ V
DSP56364 Technical Data, Rev. 4.1
4
ILC
ETL
Symbol
).
I
T
T
CYC
T
C
C
L
3
ETC
PDF × DF/MF
PDF × DF/MF
0.49 × ET
0.47 × ET
Min
—
—
—
—
C
C
×
×
Midpoint
Expression
ET
2 × ET
C
DF/MF
ET
Typ
× PDF ×
T
—
—
C
C
C
V
1, 2
IHC
External Clock Operation
PDF × DF/MF
PDF × DF/MF
0.51 × ET
0.53 × ET
Max
—
—
—
—
C
C
×
×
3-5