XCB56362PV100 Freescale Semiconductor, XCB56362PV100 Datasheet - Page 31

• Manufacturer Part Number: XCB56362PV100
• Description: DSP Floating-Point 24-Bit 100MHz 100MIPS 144-Pin LQFP
• Manufacturer: Freescale Semiconductor

Specifications of XCB56362PV100

• Package: 144LQFP
• Numeric And Arithmetic Format: Floating-Point
• Maximum Speed: 100 MHz
• Ram Size: 33 KB
• Device Million Instructions Per Second: 100 MIPS

3.7
The DSP56362 system clock is an externally supplied square wave voltage source connected to EXTAL
(Figure
Freescale Semiconductor
No.
1
2
3
4
5
Frequency of EXTAL (EXTAL Pin Frequency)
The rise and fall time of this external clock should be 3 ns
maximum.
EXTAL input high
EXTAL input low
EXTAL cycle time
CLKOUT change from EXTAL fall with PLL disabled
• With PLL disabled (46.7%–53.3% duty cycle)
• With PLL enabled (42.5%–57.5% duty cycle)
• With PLL disabled (46.7%–53.3% duty cycle)
• With PLL enabled (42.5%–57.5% duty cycle)
• With PLL disabled
• With PLL enabled
3-1)
CLKOUT With
CLKOUT With
EXTERNAL CLOCK OPERATION
PLL Disabled
PLL Enabled
Note: The midpoint is 0.5 (V
EXTAL
1, 2
1, 2
2
6a
V
ILC
Characteristics
Table 3-5 Clock Operation 100 and 120 MHz Values
ETH
2
5
IHC
Figure 3-1 External Clock Timing
DSP56362 Technical Data, Rev. 4
+ V
4
ETL
ILC
).
3
ETC
3
3
6b
3
3
Symbol
ET
ET
ET
Ef
H
C
L
Midpoint
7
10.00 ns
10.00 ns
7
4.67 ns
4.25 ns
4.67 ns
4.25 ns
4.3 ns
Min
0
100 MHz
5
EXTERNAL CLOCK OPERATION
157.0 µs
157.0 µs
273.1 µs
11.0 ns
100.0
Max
∞
∞
∞
V
IHC
0.00 ns
0.00 ns
4.67 ns
4.25 ns
8.33 ns
8.33 ns
Min
0
120 MHz
AA0459
157.0 µs
273.1 µs
1570.00
120.0
Max
—
—
∞
3-5