参数资料
型号: 440GX
厂商: Applied Micro Circuits Corp.
英文描述: Power PC 440GX Embedded Processor
中文描述: 超出了Power PC嵌入式处理器
文件页数: 64/93页
文件大小: 794K
代理商: 440GX
440GX – Power PC 440GX Embedded Processor
AMCC
67
Revision 1.15 – August 30, 2007
Data Sheet
Peripheral Interface Clock Timings
Parameter
Min
Max
Units
Notes
PCIXClk input frequency (asynchronous mode)
–
133.33
MHz
2
PCIXClk period (asynchronous mode)
7.5
–
ns
PCIXClk input high time
40% of nominal period
60% of nominal period
ns
PCIXClk input low time
40% of nominal period
60% of nominal period
ns
EMCMDClk output frequency
–
2.5
MHz
EMCMDClk period
400
–
ns
EMCMDClk output high time
160
–
ns
EMCMDClk output low time
160
–
ns
EMCTxClk input frequency MII(RMII)
2.5(5)
25(50)
MHz
EMCTxClk period MII(RMII)
40(20)
400(200)
ns
EMCTxClk input high time
35% of nominal period
–
ns
EMCTxClk input low time
35% of nominal period
–
ns
EMCRxClk input frequency MII(RMII)
2.5(5)
25(50)
MHz
EMCRxClk period MII(RMII)
40(20)
400(200)
ns
EMCRxClk input high time
35% of nominal period
–
ns
EMCRxClk input low time
35% of nominal period
–
ns
GMCRefClk input frequency
–
125
MHz
GMCRefClk period
8
ns
GMCRefClk input high time
47% of nominal period
53% of nominal period
ns
GMCRefClk input low time
47% of nominal period
53% of nominal period
ns
PerClk output frequency (for ext. master or sync. slaves)
33.33
83.33
MHz
PerClk period
12
30
ns
PerClk output high time
50% of nominal period
66% of nominal period
ns
PerClk output low time
33% of nominal period
50% of nominal period
ns
UARTSerClk input frequency
–
1000/(2TOPB
1+2ns)
MHz
1
UARTSerClk period
2TOPB+2
–ns
1
UARTSerClk input high time
TOPB+1
–ns
1
UARTSerClk input low time
TOPB+1
–ns
1
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