參數(shù)資料
型號: IBM25PPC405EP-3GB133C
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 133.33 MHz, RISC PROCESSOR, PBGA385
封裝: 31 MM, ENHANCED, PLASTIC, BGA-385
文件頁數(shù): 40/52頁
文件大?。?/td> 992K
代理商: IBM25PPC405EP-3GB133C
Preliminary
PowerPC 405EP Embedded Processor Data Sheet
6/9/03
Page 45 of 52
Peripheral Interface Clock Timings
Parameter
Min
Max
Units
PCIClk input frequency (asynchronous mode)
Note 1
66.66
MHz
PCIClk period (asynchronous mode)
15
Note 1
ns
PCIClk input high time
40% of nominal period
60% of nominal period
ns
PCIClk input low time
40% of nominal period
60% of nominal period
ns
EMC0MDClk output frequency
2.5
MHz
EMC0MDClk period
400
ns
EMC0MDClk output high time
160
ns
EMC0MDClk output low time
160
ns
PHY0Tx0:1Clk input frequency
2.5
25
MHz
PHY0Tx0:1Clk period
40
400
ns
PHY0Tx0:1Clk input high time
35% of nominal period
ns
PHY0Tx0:1Clk input low time
35% of nominal period
ns
PHY0Rx0:1Clk input frequency
2.5
25
MHz
PHY0Rx0:1Clk period
40
400
ns
PHY0Rx0:1Clk input high time
35% of nominal period
ns
PHY0Rx0:1Clk input low time
35% of nominal period
ns
PerClk output frequency
66.66
MHz
PerClk period
15
ns
PerClk output high time
45% of nominal period
55% of nominal period
ns
PerClk output low time
45% of nominal period
55% of nominal period
ns
PerClk clock edge stability (phase jitter, cycle to cycle)
± 0.3
ns
Note:
1. In asynchronous PCI mode the minimum PCIClk frequency is 1/8 the PLB Clock. Refer to the
PowerPC 405EP Embedded Proces-
sor User’s Manual for more information.
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