參數(shù)資料
型號: 440GRX
廠商: Applied Micro Circuits Corp.
英文描述: PowerPC 440GRx Embedded Processor
中文描述: 嵌入式處理器的PowerPC 440GRx
文件頁數(shù): 69/88頁
文件大?。?/td> 603K
代理商: 440GRX
440GRx – PPC440GRx Embedded Processor
Revision 1.08 – October 15, 2007
AMCC Proprietary
71
Preliminary Data Sheet
Figure 5. Timing Waveform
Note:
SysClk and GMCRefClk are 2.5V (3.3V tolerant). Slew rate should be measured between 0.7V and 1.7V.
Table 19. Clocking Specifications
Symbol
Parameter
Min
Max
Units
Notes
SysClk Input
FC
Frequency
33.33
66.66
MHz
TC
Period
15
30
ns
TCS
Edge stability (cycle-to-cycle jitter)
±0.15
ns
TCH
High time
40% of nominal period
60% of nominal period
ns
TCL
Low time
40% of nominal period
60% of nominal period
ns
Note: Input slew rate
≥ 1V/ns
PLL VCO
FC
Frequency
600
1333.33
MHz
TC
Period
0.750
1.66
ns
Processor (CPU) Clock
FC
Frequency
333.33
666.66
MHz
1
TC
Period
1.5
3
ns
MemClkOut and PLB Clock
FC
Frequency
133.33
166.66
MHz
TC
Period
6
7.5
ns
TCH
High time
45% of nominal period
55% of nominal period
ns
MAL Clock
FC
Frequency
45
83.33
MHz
TC
Period
12
22.2
ns
Notes:
1. The maximum supported processor clock frequency for any part is specified in the part number (see “Ordering and PVR Information” on
page 5).
TCL
TCH
TC
1.7V (2.0V)
0.7V (0.8V)
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