參數(shù)資料
型號(hào): MCF5327
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: Microprocessor Data Sheet
中文描述: 微處理器數(shù)據(jù)表
文件頁(yè)數(shù): 41/48頁(yè)
文件大?。?/td> 922K
代理商: MCF5327
Preliminary Electrical Characteristics
MCF5329 ColdFire
Microprocessor Data Sheet, Rev. 0.1
Preliminary
Freescale Semiconductor
41
Figure 28. MII Async Inputs Timing Diagram
5.16.4 MII Serial Management Channel Timing (FEC_MDIO and
FEC_MDC)
Table 26
lists MII serial management channel timings. The FEC functions correctly with a maximum
MDC frequency of 2.5 MHz.
Figure 29
shows MII serial management channel timings listed in
Table 26
.
Figure 29. MII Serial Management Channel Timing Diagram
Table 26. MII Serial Management Channel Timing
Num
Characteristic
Min
Max
Unit
M10
FEC_MDC falling edge to FEC_MDIO output invalid (minimum
propagation delay)
0
ns
M11
FEC_MDC falling edge to FEC_MDIO output valid (max prop delay)
25
ns
M12
FEC_MDIO (input) to FEC_MDC rising edge setup
10
ns
M13
FEC_MDIO (input) to FEC_MDC rising edge hold
0
ns
M14
FEC_MDC pulse width high
40%
60%
FEC_MDC period
M15
FEC_MDC pulse width low
40%
60%
FEC_MDC period
FEC_CRS
FEC_COL
M9
M11
FEC_MDC (output)
FEC_MDIO (output)
M12
M13
FEC_MDIO (input)
M10
M14
M15
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