ppc460ex Applied Micro Circuits Corporation (AMCC), ppc460ex Datasheet - Page 77

• Manufacturer Part Number: ppc460ex
• Description: Powerpc 460ex Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

Revision 1.12 – July 17, 2008
Table 16. Clocking Specifications
Figure 4. Timing Waveform
AMCC Proprietary
SysClk Input
Note: Input slew rate ≥ 1V/ns
PLL VCO
Processor (CPU) Clock
MemClkOut and PLB Clock
OPB Clock and PerClk
AHB Clock
Notes:
Preliminary Data Sheet
1. The maximum supported processor clock frequency for any part is specified in the part number (see “Ordering and PVR Information”
Symbol
on page 4).
T
T
T
T
F
T
F
T
F
T
F
T
F
T
F
T
CS
CH
CH
CL
C
C
C
C
C
C
C
C
C
C
C
C
Frequency
Period
Edge stability (cycle-to-cycle jitter)
High time
Low time
Frequency
Period
Frequency
Period
Frequency
Period
High time
Frequency
Period
Frequency
Period
Parameter
T
CH
T
40% of nominal period
40% of nominal period
45% of nominal period
C
460EX – PPC460EX Embedded Processor
133.33
66.66
66.66
0.50
0.83
Min
600
400
10
10
–
5
–
5
T
CL
60% of nominal period
60% of nominal period
55% of nominal period
2000
1200
Max
±0.1
1.66
100
200
100
200
2.5
7.5
15
15
–
Units
MHz
MHz
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
1
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