MSC8122 Freescale Semiconductor, MSC8122 Datasheet - Page 35

• Manufacturer Part Number: MSC8122
• Description: Quad Digital Signal Processor
• Manufacturer: Freescale Semiconductor

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2.5.10.2
2.5.10.3 RMII Mode
Freescale Semiconductor
No.
803
804
805
No.
806
807
811
ETHRX_DV, ETHRXD[0–3], ETHRX_ER to ETHRX_CLK rising edge set-up time
ETHRX_CLK rising edge to ETHRX_DV, ETHRXD[0–3], ETHRX_ER hold time
ETHTX_CLK to ETHTX_EN, ETHTXD[0–3], ETHTX_ER output delay
•
•
ETHTX_EN,ETHRXD[0–1], ETHCRS_DV, ETHRX_ER to ETHREF_CLK rising
edge set-up time
ETHREF_CLK rising edge to ETHRXD[0–1], ETHCRS_DV, ETHRX_ER hold
time
ETHREF_CLK rising edge to ETHTXD[0–1], ETHTX_EN output delay.
ETHRXD[0–3]
ETHTXD[0–3]
1.1 V core
1.2 V core
ETHRX_CLK
ETHTX_CLK
ETHREF_CLK
ETHRXD[0–1]
ETHTXD[0–1]
ETHRX_ER
ETHRX_DV
ETHTX_EN
ETHTX_ER
ETHCRS_DV
MII Mode Timing
ETHRX_ER
ETHTX_EN
MSC8122 Quad Digital Signal Processor Data Sheet, Rev. 15
Characteristics
Figure 25. RMII Mode Signal Timing
Table 26. RMII Mode Signal Timing
Figure 24. MII Mode Signal Timing
Table 25. MII Mode Signal Timing
Characteristics
806
803
Valid
Valid
Valid
Valid
805
811
807
804
Min
1.6
1.6
1.1 V Core
3
Max
12.5
—
—
Valid
Valid
Min
Min
3.5
3.5
1.6
1.2 V Core
1
1
2
3
Max
Max
14.6
12.6
—
—
—
—
11
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
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