MEDIA5200KIT1 Freescale Semiconductor, MEDIA5200KIT1 Datasheet - Page 39

• Manufacturer Part Number: MEDIA5200KIT1
• Description: MCU, MPU & DSP Development Tools MEDIA5200 SW DEVT SYSTEM
• Manufacturer: Freescale Semiconductor

Specifications of MEDIA5200KIT1

• Processor To Be Evaluated: MPC5200B
• Data Bus Width: 32 bit
• Interface Type: Ethernet, USB
• Lead Free Status / Rohs Status: Not Compliant

Freescale Semiconductor
1
Sym
The TX_CLK frequency shall be 25% of the nominal transmit frequency, e.g., a PHY operating at 100 Mb/s must provide
a TX_CLK frequency of 25 MHz and a PHY operating at 10 Mb/s must provide a TX_CLK frequency of 2.5 MHz. See
the IEEE 802.3 Specification.
t
t
t
t
Sym
5
6
7
8
t
9
TX_CLK rising edge to TXD[3:0], TX_EN, TX_ER valid
TX_CLK rising edge to TXD[3:0], TX_EN, TX_ER
TXD[3:0] (Outputs)
CRS, COL minimum pulse width
TX_CLK (Input)
TX_CLK pulse width high
TX_CLK pulse width low
Figure 28. Ethernet Timing Diagram—MII Tx Signal
Description
Figure 29. Ethernet Timing Diagram—MII Async
TX_EN
TX_ER
Description
invalid
CRS, COL
Table 33. MII Async Signal Timing
Table 32. MII Tx Signal Timing
MPC5200B Data Sheet, Rev. 4
t
t
6
5
t
7
t
9
t
8
35%
35%
Min
—
5
Min
1.5
65%
65%
Max
25
—
Max
—
TX_CLK Period
TX_CLK Period
TX_CLK Period
Unit
Unit
ns
ns
(1)
(1)
SpecID
A9.9
SpecID
A9.5
A9.6
A9.7
A9.8
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