ppc440epx Applied Micro Circuits Corporation (AMCC), ppc440epx Datasheet - Page 75

• Manufacturer Part Number: ppc440epx
• Description: Powerpc 440epx Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

Revision 1.29 – July 22, 2008
I/O Specifications
Table 19. Peripheral Interface Clock Timings (Sheet 1 of 3)
AMCC Proprietary
Preliminary Data Sheet
PCIClk frequency (asynchronous mode)
PCIClk period (asynchronous mode)
PCIClk high time
PCIClk low time
GMCMDClk frequency
GMCMDClk period
GMCMDClk high time
GMCMDClk low time
GMCTxClk frequency MII
GMCTxClk period MII
GMCTxClk high time
GMCTxClk low time
GMCRxClk frequency MII
GMCRxClk period MII
GMCRxClk high time
GMCRxClk low time
GMCRefClk frequency
GMCRefClk period
GMCRefClk high time
GMCRefClk low time
GMCRefClk Edge Stability (cycle-to-cycle jitter)
GMCRefClk Slew Rate
Parameter
40% of nominal period
40% of nominal period
35% of nominal period
40% of nominal period
40% of nominal period
35% of nominal period
35% of nominal period
35% of nominal period
440EPx – PPC440EPx Embedded Processor
Min
400
160
160
2.5
2.5
15
40
40
–
–
–
8
–
2
60% of nominal period
60% of nominal period
60% of nominal period
60% of nominal period
66.66
+0.15
Max
400
400
125
2.5
25
25
–
–
–
–
–
–
–
–
–
–
Units
MHz
MHz
MHz
MHz
MHz
V/ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
2
2
2
2
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