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MPC5646C Datasheet(PDF) 84 Page - Freescale Semiconductor, Inc

No. de pieza MPC5646C
Descripción Electrónicos  Microcontroller 64 KB on-chip data flash memory to support EEPROM emulation
PDF  114 Pages
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Fabricante Electrónico  FREESCALE [Freescale Semiconductor, Inc]
Página de inicio  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC5646C Datasheet(HTML) 84 Page - Freescale Semiconductor, Inc

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MPC5646C Microcontroller Data Sheet, Rev. 3
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
84
Figure 22. MII transmit signal timing diagram
4.18.3
MII Async Inputs Signal Timing (CRS and COL)
Figure 23. MII async inputs timing diagram
4.18.4
MII Serial Management Channel Timing (MDIO and MDC)
The FEC functions correctly with a maximum MDC frequency of 2.5 MHz.
Table 46. MII Async Inputs Signal Timing1
1 Output pads configured with SRE = 0b11.
Spec
Characteristic
Min
Max
Unit
M9
CRS, COL minimum
pulse width
1.5
—
TX_CLK period
Table 47. MII serial management channel timing1
Spec
Characteristic
Min
Max
Unit
M10
MDC falling edge to
MDIO output invalid
(minimum
propagation delay)
0—
ns
M11
MDC falling edge to
MDIO output valid
(max prop delay)
—25
ns
M12
MDIO (input) to MDC
rising edge setup
28
—
ns
M13
MDIO (input) to MDC
rising edge hold
0—
ns
M6
TX_CLK (input)
TXD[3:0] (outputs)
TX_EN
TX_ER
M5
M7
M8
CRS, COL
M9



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