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參數(shù)資料
| 型號： | PPC440SPE-ANB667C |
| 廠商： | APPLIEDMICRO INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | PowerPC 440SPe Embedded Processor |
| 中文描述： | 32-BIT, 667 MHz, RISC PROCESSOR, PBGA675 |
| 封裝： | 27 X 27 MM, 1 MM PITCH, ROHS COMPLIANT, PLASTIC, FCBGA-675 |
| 文件頁數(shù)： | 63/80頁 |
| 文件大?。?/td> | 572K |
| 代理商： | PPC440SPE-ANB667C |
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PowerPC 440SPe Embedded Processor
Revision 1.23 - Sept 21, 2006
Preliminary Data Sheet
AMCC Proprietary
63
Figure 4. Clock Timing Waveform
Spread Spectrum Clocking
Care must be taken when using a spread spectrum clock generator (SSCG) with the PPC440SPe. This controller
uses a PLL for clock generation inside the chip. The accuracy with which the PLL follows the SSCG is referred to
as tracking skew. The PLL bandwidth and phase angle determine how much tracking skew there is between the
SSCG and the PLL for a given frequency deviation and modulation frequency. When using an SSCG with the
PPC440SPe the following conditions must be met:
The frequency deviation must not violate the minimum clock cycle time. Therefore, when operating the
PPC440SPe with one or more internal clocks at their maximum supported frequency, the SSCG can only lower
the frequency.
The maximum frequency deviation cannot exceed -1%, and the modulation frequency cannot exceed 40kHz.
In some cases, on-board PPC440SPe peripherals impose more stringent requirements.
Use the Peripheral Bus Clock for logic that is synchronous to the peripheral bus since this clock tracks the
modulation.
Use the DDR SDRAM MemClkOut since it also tracks the modulation.
Processor Clock (CPU Clock)
F
C
Frequency
400
666.66
MHz
T
C
Period
1.5
2.5
ns
MemClkOut
F
C
Frequency
200
333.33
MHz
T
C
Period
3
5
ns
T
CH
High time
45% of nominal period
55% of nominal period
ns
OPB Clock and PerClk
F
C
Frequency
–
83.33
MHz
T
C
Period
12
–
ns
MAL Clock
F
C
Frequency
45
83.33
MHz
T
C
Period
12
22.2
ns
Table 12. Clocking Specifications
Symbol
Parameter
Min
Max
Units
T
CL
T
CH
T
C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PPC440SPE | PowerPC 440SPe Embedded Processor |
| PPC440SPE-3GA533C | PowerPC 440SPe Embedded Processor |
| PPC440SPE-3GA667C | PowerPC 440SPe Embedded Processor |
| PPC440SPE-AGB533C | PowerPC 440SPe Embedded Processor |
| PPC440SPE-AGB667C | PowerPC 440SPe Embedded Processor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PPC440SPE-ANB800C | 制造商:AppliedMicro 功能描述:MPU 440SPe RISC 16-Bit 0.13mm 800MHz 1.5V/3.3V 675-Pin FCBGA Tray 制造商:Applied Micro Circuits Corporation 功能描述:MPU 440SPe RISC 16-Bit 0.13mm 800MHz 1.5V/3.3V 675-Pin FCBGA Tray |
| PPC440SPE-RGB533C | 制造商:AMCC 制造商全稱:Applied Micro Circuits Corporation 功能描述:PowerPC 440SPe Embedded Processor |
| PPC440SPE-RGB667C | 制造商:AMCC 制造商全稱:Applied Micro Circuits Corporation 功能描述:PowerPC 440SPe Embedded Processor |
| PPC440SPE-RNB533C | 制造商:AppliedMicro 功能描述:MPU 440SPe RISC 16-Bit 0.13mm 533MHz 1.5V/3.3V 675-Pin FCBGA Tray 制造商:AMCC 功能描述:MPU 440SPE RISC 16BIT 0.13MM 533MHZ 1.5V/3.3V 675FCBGA - Trays |
| PPC440SPE-RNB667C | 制造商:AMCC 制造商全稱:Applied Micro Circuits Corporation 功能描述:PowerPC 440SPe Embedded Processor |
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