PPC405EX-NPAFFFTX AMCC [Applied Micro Circuits Corporation], PPC405EX-NPAFFFTX Datasheet - Page 53

• Manufacturer Part Number: PPC405EX-NPAFFFTX
• Description: PowerPC 405EX Embedded Processor
• Manufacturer: AMCC [Applied Micro Circuits Corporation]

PPC405EX – PowerPC 405EX Embedded Processor
Table 16. Peripheral Interface I/O Clock Timings
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
GMCnRxClk
GMCnTxClk
UARTSerClk
TmrClk
PerClk
TCK
USB2Clk (60MHz ± 0.05%)
PCIEnClkC, T (Differential clock input)
Notes:
1. T
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
100
2.5
na
na
na
na
Preliminary Data Sheet
Revision 1.09 - August 21, 2007
1000/(2T
60.03
± 0.1
Max
125
125
125
125
125
125
100
100
250
0.4
OPB1
25
20
–
–
–
–
–
–
+ 2ns)
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
53