ppc405exr Applied Micro Circuits Corporation (AMCC), ppc405exr Datasheet - Page 57

• Manufacturer Part Number: ppc405exr
• Description: Powerpc 405exr Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

PPC405EXr – PowerPC 405EXr Embedded Processor
Table 20. Peripheral Interface I/O Clock Timings (not SDRAM or PCI-E)
AMCC Proprietary
GMCTxClk frequency
GMCTxClk high time
GMCTxClk low time
GMCRxClk frequency
GMCRxClk high time
GMCRxClk low time
GMCGTxClk
GMCMDClk
GMCRefClk
GMCRefClk edge stability (phase jitter, cycle-to-cycle)
GMCRefClk rise time
GMCRefClk high time
GMCRefClk low time
GMC1RxClk
GMC1TxClk
UARTSerClk
TmrClk
PerClk
TCK
USB2Clk (60MHz ± 0.05%)
TrcClk
Notes:
1. T
2. TrcClk is 1/2 CPU Clk. The maximum CPU Clk supported for instruction trace is 400 MHz.
maximum OPB clock frequency is 100MHz.
OPB
is the period in ns of the OPB clock. The internal OPB clock runs at an integral divisor ratio of the frequency of the PLB clock. The
Clock
45% of nominal
55% of nominal
45% of nominal
55% of nominal
40% of nominal
60% of nominal
57.97
Min
125
125
125
125
125
125
2.5
na
na
na
33
na
66
1000 / 2T
Preliminary Data Sheet
60.03
± 0.1
Max
125
125
125
125
125
125
100
100
300
25
20
OPB1
Revision 1.10 - July 10, 2008
–
–
–
–
1
–
–
+ 2ns
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
Notes
1
2
57