參數(shù)資料
型號: MCF54417CMJ250
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: MICROPROCESSOR, PBGA256
封裝: 12 X 12 MM, ROHS COMPLAINT, MAPBGA-256
文件頁數(shù): 43/60頁
文件大小: 1107K
代理商: MCF54417CMJ250
MCF5441x ColdFire Microprocessor Data Sheet, Rev. 6
Preliminary—Subject to Change Without Notice
Electrical characteristics
Freescale Semiconductor
48
Figure 29. MII/RMII transmit signal timing diagram
4.22.3
Asynchronous input signal timing specifications
Figure 30. MII/RMII async inputs timing diagram
4.22.4
MDIO serial management timing specifications
Table 33. MII/RMII transmit signal timing
Num
Characteristic
Min
Max
Unit
E9
CRS, COL minimum pulse width
1.5
TXCLK period
Table 34. MDIO serial management channel signal timing
Num
Characteristic
Symbol
Min
Max
Unit
E10
MDC cycle time
tMDC
400
ns
E11
MDC pulse width
40
60
% tMDC
E12
MDC to MDIO output valid
375
ns
E13
MDC to MDIO output invalid
25
ns
E14
MDIO input to MDC setup
10
ns
E15
MDIO input to MDC hold
0
ns
Valid Data
TXCLK (MII) / EXTAL (RMII)
TXD[n:0]
TXEN,
TXER
E7
E8
E5
E6
CRS, COL
E9
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MCF54417CMJ250 制造商:Freescale Semiconductor 功能描述:IC 32-BIT MPU COLDFIRE 250MHZ 256-MA
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