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參數(shù)資料
| 型號： | MPC885ZP80 |
| 廠商： | 飛思卡爾半導體(中國)有限公司 |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; Body Material:Aluminum; Series:PT07; Number of Contacts:12; Connector Shell Size:14; Connecting Termination:Solder; Circular Shell Style:Jam Nut Receptacle; Circular Contact Gender:Socket |
| 中文描述： | 硬件規(guī)格 |
| 文件頁數(shù)： | 72/92頁 |
| 文件大?。?/td> | 1499K |
| 代理商： | MPC885ZP80 |
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MPC885/MPC880 Hardware Specifications, Rev. 3
72
Freescale Semiconductor
FEC Electrical Characteristics
15.1 MII and Reduced MII Receive Signal Timing
The receiver functions correctly up to a MII_RX_CLK maximum frequency of 25 MHz + 1%. The reduced MII
(RMII) receiver functions correctly up to a RMII_REFCLK maximum frequency of 50 MHz + 1%. There is no
minimum frequency requirement. In addition, the processor clock frequency must exceed the MII_RX_CLK
frequency
–
1%.
Table 34
provides information on the MII and RMII receive signal timing.
Figure 72
shows MII receive signal timing.
Figure 72. MII Receive Signal Timing Diagram
15.2 MII and Reduced MII Transmit Signal Timing
The transmitter functions correctly up to a MII_TX_CLK maximum frequency of 25 MHz +1%. The RMII
transmitter functions correctly up to a RMII_REFCLK maximum frequency of 50 MHz +1%. There is no minimum
frequency requirement. In addition, the processor clock frequency must exceed the MII_TX_CLK frequency
–
1%.
Table 34. MII Receive Signal Timing
Num
Characteristic
Min
Max
Unit
M1
MII_RXD[3:0], MII_RX_DV, MII_RX_ERR to MII_RX_CLK setup
5
—
ns
M2
MII_RX_CLK to MII_RXD[3:0], MII_RX_DV, MII_RX_ER hold
5
—
ns
M3
MII_RX_CLK pulse width high
35%
65%
MII_RX_CLK period
M4
MII_RX_CLK pulse width low
35%
65%
MII_RX_CLK period
M1_RMII RMII_RXD[1:0], RMII_CRS_DV, RMII_RX_ERR to RMII_REFCLK
setup
4
—
ns
M2_RMII RMII_REFCLK to RMII_RXD[1:0], RMII_CRS_DV, RMII_RX_ERR
hold
2
—
ns
M1
M2
MII_RX_CLK (input)
MII_RXD[3:0] (inputs)
MII_RX_DV
MII_RX_ER
M3
M4
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MPC-8890 | 制造商:AAEON 制造商全稱:AAEON 功能描述:Intel Pentium M or Celeron M Processors |
| MPC-8890-A10 | 制造商:AAEON 制造商全稱:AAEON 功能描述:Intel Pentium M or Celeron M Processors |
| MPC-8890-A10-01 | 制造商:AAEON 制造商全稱:AAEON 功能描述:Intel Pentium M or Celeron M Processors |
| MPC-8890-A10-02 | 制造商:AAEON 制造商全稱:AAEON 功能描述:Intel Pentium M or Celeron M Processors |
| MPC-8890-A10-03 | 制造商:AAEON 制造商全稱:AAEON 功能描述:Intel Pentium M or Celeron M Processors |
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