ppc440grx Applied Micro Circuits Corporation (AMCC), ppc440grx Datasheet - Page 75
ppc440grx
Manufacturer Part Number
ppc440grx
Description
Powerpc 440grx Embedded Processor
Manufacturer
Applied Micro Circuits Corporation (AMCC)
Datasheet
1.PPC440GRX.pdf
(90 pages)
- Current page: 75 of 90
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Revision 1.11 – July 22, 2008
Table 20. Peripheral Interface Clock Timings (continued)
Figure 6. Input Setup and Hold Waveform
Figure 7. Output Delay and Float Timing Waveform
AMCC Proprietary
Preliminary Data Sheet
TmrClk frequency
TmrClk period
TmrClk high time
TmrClk low time
Notes:
1. T
2. An internal PLL improves this duty cycle to a worst case of 48% minimum, 52% maximum.
Outputs
Float (High-Z)
Clock
Clock
Inputs
frequency is 83 MHz.
OPB
Low (Drive)
High (Drive)
1.25V(1.5V)
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
1.25V(1.5V)
T
T
OV
OH
max
min
Parameter
T
IS
min
Valid
T
T
OV
OH
40% of nominal period
40% of nominal period
Valid
max
min
440GRx – PPC440GRx Embedded Processor
Min
10
–
T
IH
min
60% of nominal period
60% of nominal period
Max
100
–
Valid
T
T
OV
OH
max
min
Units
MHz
ns
ns
ns
Notes
75
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