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MNSC140CORE датащи(PDF) 57 Page - Freescale Semiconductor, Inc

номер детали MNSC140CORE
подробное описание детали  Quad Core 16-Bit Digital Signal Processor
PDF  88 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MNSC140CORE датащи(HTML) 57 Page - Freescale Semiconductor, Inc

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AC Timings
MSC8122 Technical Data, Rev. 13
Freescale Semiconductor
2-23
2.5.10.2 MII Mode Timing
2.5.10.3 RMII Mode
Table 2-24.
MII Mode Signal Timing
No.
Characteristics
Min
Max
Unit
803
ETHRX_DV, ETHRXD[0–3], ETHRX_ER to ETHRX_CLK rising edge set-up time
3.5
—
ns
804
ETHRX_CLK rising edge to ETHRX_DV, ETHRXD[0–3], ETHRX_ER hold time
3.5
—
ns
805
ETHTX_CLK to ETHTX_EN, ETHTXD[0–3], ETHTX_ER output delay
•1.1 V core
•1.2 V core
1
1
14.6
12.6
ns
ns
Figure 2-18.
MII Mode Signal Timing
Table 2-25.
RMII Mode Signal Timing
No.
Characteristics
1.1 V Core
1.2 V Core
Unit
Min
Max
Min
Max
806
ETHTX_EN,ETHRXD[0–1], ETHCRS_DV, ETHRX_ER to ETHREF_CLK rising
edge set-up time
1.6
—
2
—
ns
807
ETHREF_CLK rising edge to ETHRXD[0–1], ETHCRS_DV, ETHRX_ER hold
time
1.6
—
1.6
—
ns
811
ETHREF_CLK rising edge to ETHTXD[0–1], ETHTX_EN output delay.
3
12.5
3
11
ns
Figure 2-19.
RMII Mode Signal Timing
Valid
ETHRX_CLK
ETHRX_DV
ETHRXD[0–3]
ETHTX_CLK
ETHRX_ER
ETHTX_EN
ETHTXD[0–3]
Valid
Valid
ETHTX_ER
803
804
805
Valid
ETHREF_CLK
ETHCRS_DV
ETHRXD[0–1]
ETHRX_ER
807
806
ETHTX_EN
ETHTXD[0–1]
Valid
Valid
811



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