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NPE405L Datasheet, PDF (46/54 Pages) Applied Micro Circuits Corporation – PowerNP | |||
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Preliminary
PowerNP NPe405L Embedded Processor Data Sheet
Peripheral Interface Clock Timings
Parameter
Min
Max
Units
EMC0MDClk output frequency
â
2.5
MHz
EMC0MDClk period
400
â
ns
EMC0MDClk output high time
160
â
ns
EMC0MDClk output low time
160
â
ns
PHY0TxClk input frequency
2.5
25
MHz
PHY0TxClk period
40
400
ns
PHY0TxClk input high time
35% of nominal period
â
ns
PHY0TxClk input low time
35% of nominal period
â
ns
PHY0RxClk input frequency
2.5
25
MHz
PHY0RxClk period
40
400
ns
PHY0RxClk input high time
35% of nominal period
â
ns
PHY0RxClk input low time
35% of nominal period
â
ns
PerClk output frequencyâ133MHz
â
33.33
MHz
PerClk periodâ133MHz
30
â
ns
PerClk output frequencyâ200MHz
â
50
MHz
PerClk periodâ200MHz
20
â
ns
PerClk output frequencyâ266MHz)
â
66.66
MHz
PerClk periodâ266MHz
15
â
ns
PerClk output high time
45% of nominal period 55% of nominal period
ns
PerClk output low time
45% of nominal period 55% of nominal period
ns
UARTSerClk input frequency (Note 1)
â
1000/(2TOPB + 2ns)
MHz
UARTSerClk period
2TOPB + 2
â
ns
UARTSerClk input high time
TOPB + 1
â
ns
UARTSerClk input low time
TOPB + 1
â
ns
TmrClk input frequencyâ133MHz
â
33.33
MHz
TmrClk periodâ133MHz
30
â
ns
TmrClk input frequencyâ200MHz
â
50
MHz
TmrClk periodâ200MHz
20
â
ns
TmrClk input frequencyâ266MHz
â
66.66
MHz
TmrClk periodâ266MHz
15
â
ns
TmrClk input high time
40% of nominal period 60% of nominal period
ns
TmrClk input low time
40% of nominal period 60% of nominal period
ns
HDLCEXTxClk, HDLCEXRxClk
0
8.192
MHz
Notes:
1. TOPB is the period in ns of the OPB clock. The maximum OPB clock frequency is 33.33 MHz for 133MHz parts, 50 MHz for
200MHz parts, and 66.66MHz for 266MHz parts.
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