ppc440gr-3jb667cz Applied Micro Circuits Corporation (AMCC), ppc440gr-3jb667cz Datasheet - Page 70

• Manufacturer Part Number: ppc440gr-3jb667cz
• Description: Powerpc 440gr Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

I/O Specifications
Table 19. Peripheral Interface Clock Timings
70
PCIClk input frequency (asynchronous mode)
PCIClk period (asynchronous mode)
PCIClk input high time
PCIClk input low time
EMCMDClk output frequency
EMCMDClk period
EMCMDClk output high time
EMCMDClk output low time
EMCTxClk input frequency MII
EMCTxClk period MII
EMCTxClk input high time
EMCTxClk input low time
EMCRxClk input frequency MII
EMCRxClk period MII
EMCRefClk input frequency RMII (SMII)
EMCRefClk period RMII (SMII)
EMCRefClk input high time
EMCRefClk input low time
Revision 1.19 – May 07, 2008
Preliminary Data Sheet
Parameter
35% of nominal period
35% of nominal period
35% of nominal period
35% of nominal period
40% of nominal period
40% of nominal period
50 (125)
20 (8)
440GR – PPC440GR Embedded Processor
Min
400
160
160
2.5
2.5
15
40
40
–
–
60% of nominal period
60% of nominal period
65% of nominal period
65% of nominal period
50 (125)
66.66
20 (8)
Max
400
400
2.5
25
25
–
–
–
–
–
–
Units
MHz
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AMCC Proprietary
Notes
2