參數(shù)資料
型號: MPC8560PXALDB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, FLIP CHIP, PLASTIC, BGA-783
文件頁數(shù): 31/108頁
文件大?。?/td> 2170K
代理商: MPC8560PXALDB
MPC8560 Integrated Processor Hardware Specifications, Rev. 3.1
Freescale Semiconductor
29
Ethernet: Three-Speed, MII Management
7.2.2.1 MII Transmit AC Timing Specifications
Table 22 provides the MII transmit AC timing specifications.
Figure 10 shows the MII transmit AC timing diagram.
Figure 10. MII Transmit AC Timing Diagram
7.2.2.2 MII Receive AC Timing Specifications
Table 23 provides the MII receive AC timing specifications.
Table 22. MII Transmit AC Timing Specifications
At recommended operating conditions with LVDD of 3.3 V ± 5%.
Parameter/Condition
Symbol 1
Min
Typ
Max
Unit
Input low voltage
VIL
0.7
V
Input high voltage
VIH
1.9
V
TX_CLK clock period 10 Mbps
tMTX
2
400
ns
TX_CLK clock period 100 Mbps
tMTX
40
ns
TX_CLK duty cycle
tMTXH/tMTX
35
65
%
TX_CLK to MII data TXD[3:0], TX_ER, TX_EN delay
tMTKHDX
1
5
15
ns
TX_CLK data clock rise (20%-80%)
tMTXR
2
1.0
4.0
ns
TX_CLK data clock fall (80%-20%)
tMTXF
2
1.0
4.0
ns
Note:
1.The symbols used for timing specifications herein follow the pattern of t(first two letters of functional block)(signal)(state)
(reference)(state) for inputs and t(first two letters of functional block)(reference)(state)(signal)(state) for outputs. For example,
tMTKHDX symbolizes MII transmit timing (MT) for the time tMTX clock reference (K) going high (H) until data outputs
(D) are invalid (X). Note that, in general, the clock reference symbol representation is based on two to three letters
representing the clock of a particular functional. For example, the subscript of tMTX represents the MII(M) transmit
(TX) clock. For rise and fall times, the latter convention is used with the appropriate letter: R (rise) or F (fall).
2.Guaranteed by design.
Table 23. MII Receive AC Timing Specifications
At recommended operating conditions with LVDD of 3.3 V ± 5%.
Parameter/Condition
Symbol 1
Min
Typ
Max
Unit
Input low voltage
VIL
0.7
V
Input high voltage
VIH
1.9
V
TX_CLK
TXD[3:0]
tMTKHDX
tMTX
tMTXH
tMTXR
tMTXF
TX_EN
TX_ER
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