参数资料
型号: 440GRX
厂商: Applied Micro Circuits Corp.
英文描述: PowerPC 440GRx Embedded Processor
中文描述: 嵌入式处理器的PowerPC 440GRx
文件页数: 72/88页
文件大小: 603K
代理商: 440GRX
440GRx – PPC440GRx Embedded Processor
Preliminary Data Sheet
74
AMCC Proprietary
Revision 1.08 – October 15, 2007
Figure 6. Input Setup and Hold Waveform
Figure 7. Output Delay and Float Timing Waveform
TmrClk frequency
100
MHz
TmrClk period
10
ns
TmrClk high time
40% of nominal period
60% of nominal period
ns
TmrClk low time
40% of nominal period
60% of nominal period
ns
Notes:
1. TOPB 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
frequency is 83 MHz.
2. An internal PLL improves this duty cycle to a worst case of 48% minimum, 52% maximum.
Table 20. Peripheral Interface Clock Timings (continued)
Parameter
Min
Max
Units
Notes
Clock
TIS
TIH
min
Inputs
Valid
1.25V(1.5V)
Valid
Clock
Outputs
Valid
TOH min
TOVmax
TOH min
TOVmax
TOH min
Float (High-Z)
High (Drive)
Low (Drive)
1.25V(1.5V)
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