ppc405cr Applied Micro Circuits Corporation (AMCC), ppc405cr Datasheet - Page 34

• Manufacturer Part Number: ppc405cr
• Description: Powerpc 405cr Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

PPC405CR – PowerPC 405CR Embedded Processor
Table 12. Peripheral Interface Clock Timings
34
PerClk output frequency—133MHz
PerClk period—133MHz
PerClk output frequency—200MHz
PerClk period—200MHz
PerClk output frequency—266MHz
PerClk period—266MHz
PerClk output high time
PerClk output low time
PerClk clock edge stability (phase jitter, cycle to cycle)
UARTSerClk input frequency (Note 1)
UARTSerClk period
UARTSerClk input high time
UARTSerClk input low time
TmrClk input frequency—133MHz
TmrClk period—133MHz
TmrClk input frequency—200MHz
TmrClk period—200MHz
TmrClk input frequency—266MHz
TmrClk period—266MHz
TmrClk input high time
TmrClk input low time
Notes:
1. T
frequency is 50MHz for 200MHz parts and 66.66MHz.for 266MHz parts.
OPB
is the period in ns of the OPB clock. The internal OPB clock runs at 1/2 the frequency of the PLB clock. The maximum OPB clock
Parameter
45% of nominal period
45% of nominal period
40% of nominal period
40% of nominal period
2T
T
T
OPB
OPB
Min
OPB
30
20
15
30
20
15
–
–
–
–
–
–
–
+1
+1
+2
Revision 1.02 – January 11, 2005
55% of nominal period
55% of nominal period
60% of nominal period
60% of nominal period
1000/(2T
33.33
66.66
33.33
66.66
± 0.3
Max
50
50
–
–
–
–
–
–
–
–
–
OPB
Data Sheet
+2ns)
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
AMCC
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns