MSC8144ADS Freescale Semiconductor, MSC8144ADS Datasheet - Page 55

• Manufacturer Part Number: MSC8144ADS
• Description: ADS FOR MSC8144 DEVICE
• Manufacturer: Freescale Semiconductor
• Type: DSPr

Specifications of MSC8144ADS

• Contents: AMC Card, Power Supply, Cables, USB TAP, Hardware and Documentation
• For Use With/related Products: MSC8144
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.6.10.2
Table 41
Figure 25
2.6.10.3
Table 42
Freescale Semiconductor
TX_CLK to MII data TXD[3:0], TX_ER, TX_EN delay
Notes:
RXD[3:0], RX_DV, RX_ER setup time to RX_CLK
RXD[3:0], RX_DV, RX_ER hold time to RX_CLK
Notes:
provides the MII transmit AC timing specifications.
provides the MII receive AC timing specifications.
1.
2.
1.
2.
shows the MII transmit AC timing diagram.
Typical TX_CLK period (t
Program GCR4 as 0x00030CC3.
Typical RX_CLK period (t
Program GCR4 as 0x00030CC3.
MII Transmit AC Timing Specifications
MII Receive AC Timing Specifications
ETHMDIO
ETHMDIO
ETHMDC
(Output)
TXD[3:0]
TX_CLK
(Input)
TX_EN
TX_ER
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 16
Parameter/Condition
Parameter/Condition
Table 41. MII Transmit AC Timing Specifications
Table 42. MII Receive AC Timing Specifications
Figure 24. MII Management Interface Timing
MTX
MRX
) for 10 Mbps is 400 ns and for 100 Mbps is 40 ns.
) for 10 Mbps is 400 ns and for 100 Mbps is 40 ns.
Figure 25. MII Transmit AC Timing
t
MDC
t
MDDVKH
t
MDKHDX
t
MTKHDX
t
MDDXKH
Symbol
Symbol
t
t
t
MTKHDX
MRDVKH
MRDXKH
1
1
10.0
Min
Min
2
0
Max
Max
25
—
—
Unit
Unit
ns
ns
ns
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