參數(shù)資料
型號: PPC405GPR-3DB400Z
廠商: APPLIEDMICRO INC
元件分類: 微控制器/微處理器
英文描述: Power PC 405GPr Embedded Processor
中文描述: 32-BIT, 400 MHz, RISC PROCESSOR, PBGA456
封裝: 27 X 27 MM, PLASTIC, EBGA-456
文件頁數(shù): 45/57頁
文件大?。?/td> 614K
代理商: PPC405GPR-3DB400Z
405GPr – Power PC 405GPr Embedded Processor
AMCC
45
Revision 2.04 – September 7, 2007
Data Sheet
Peripheral Interface Clock Timings
Parameter
Min
Note 1
15
25
30
Max
66.66
Note 1
33.33
40
Units
MHz
ns
MHz
ns
ns
ns
MHz
ns
ns
ns
MHz
ns
ns
ns
MHz
ns
ns
ns
MHz
ns
ns
ns
ns
PCIClk input frequency (asynchronous mode)
PCIClk period (asynchronous mode)
PCI Clock frequency (synchronous mode)
PCI Clock period (synchronous mode - Note 2)
PCIClk input high time
PCIClk input low time
EMCMDClk output frequency
EMCMDClk period
EMCMDClk output high time
EMCMDClk output low time
PHYTxClk input frequency
PHYTxClk period
PHYTxClk input high time
PHYTxClk input low time
PHYRxClk input frequency
PHYRxClk period
PHYRxClk input high time
PHYRxClk input low time
PerClk output frequency
PerClk period
PerClk output high time
PerClk output low time
PerClk clock edge stability (phase jitter, cycle to cycle)
40% of nominal period
40% of nominal period
400
160
160
2.5
40
35% of nominal period
35% of nominal period
2.5
40
35% of nominal period
35% of nominal period
15
45% of nominal period
45% of nominal period
60% of nominal period
60% of nominal period
2.5
25
400
25
400
66.66
55% of nominal period
55% of nominal period
± 0.3
1000/(2T
OPB
+2ns)
UARTSerClk input frequency
(Note 3)
MHz
UARTSerClk period
2T
OPB
+2
T
OPB
+1
T
OPB
+1
15
ns
UARTSerClk input high time
ns
UARTSerClk input low time
ns
TmrClk input frequency
TmrClk period
TmrClk input high time
TmrClk input low time
Note:
1. In asynchronous PCI mode the minimum PCIClk frequency is 1/8 the PLB Clock. Refer to the
PowerPC 405GPr Embedded Processor
User’s Manual
for more information.
2. In synchronous PCI mode the PCI clock is derived from SysClk and the PCIClk input pin is unused.
3. T
OPB
is the period in ns of the OPB clock. The maximum OPB clock frequency is 66.66MHz.
66.66
MHz
ns
ns
ns
40% of nominal period
40% of nominal period
60% of nominal period
60% of nominal period
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