ppc405ex Applied Micro Circuits Corporation (AMCC), ppc405ex Datasheet - Page 56

• Manufacturer Part Number: ppc405ex
• Description: Powerpc 405ex Embedded Processor
• Manufacturer: Applied Micro Circuits Corporation (AMCC)

PPC405EX – PowerPC 405EX Embedded Processor
Table 19. Peripheral Interface I/O Clock Timings (not SDRAM or PCI-E)
56
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%)
TrcClk
Notes:
1. T
2. TrcClk is 1/2 CPU Clk. The maximum CPU Clk supported by instruction trace probes 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
Minimum
57.97
125
125
125
125
125
125
2.5
na
na
na
33
na
66
1000 / 2T
Preliminary Data Sheet
Maximum
60.03
± 0.1
125
125
125
125
125
125
100
100
300
25
20
–
–
–
–
1
–
–
OPB
Revision 1.21 - July 9, 2008
+ 2ns
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
AMCC Proprietary
Notes
1
2