MSC8144AMC-SA Freescale Semiconductor, MSC8144AMC-SA Datasheet - Page 57
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MSC8144AMC-SA
Manufacturer Part Number
MSC8144AMC-SA
Description
BOARD AMC SGL WIDTH MSC8144 DSP
Manufacturer
Freescale Semiconductor
Type
DSPr
Datasheet
1.MSC8144VT800B.pdf
(80 pages)
Specifications of MSC8144AMC-SA
Contents
Board
For Use With/related Products
MSC8144
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 57 of 80
- Download datasheet (2Mb)
Figure 28
Figure 29
2.6.10.5
Figure 30
Freescale Semiconductor
ETHSYNC_IN, ETHRXD to ETHCLOCK rising edge setup time
ETHCLOCK rising edge to ETHSYNC_IN, ETHRXD hold time
ETHCLOCK rising edge to ETHSYNC, ETHTXD output delay
Notes:
provides the AC test load.
shows the SMII Mode signal timing.
shows the RMII transmit and receive AC timing diagram.
1.
2.
3.
4.
Typical REF_CLK clock period is 8ns
Measured using a 5 pF load.
Measured using a 15 pF load
Program GCR4 as 0x00002008
SMII AC Timing Specification
REF_CLK
RXD[1–0]
TXD[1–0]
CRS_DV
RX_ER
TX_EN
Characteristics
Output
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 16
Figure 28. RMII Transmit and Receive AC Timing
t
RMRDVKH
t
RMXH
Table 44. SMII Mode Signal Timing
t
Z
RMX
0
Figure 29. AC Test Load
= 50 Ω
Valid Data
t
RMTKHDX
t
RMXF
Symbol
t
t
SMDVKH
SMDXKH
t
SMXR
R
L
t
RMRDXKH
= 50 Ω
t
RMXR
Min
1.5
1.0
1.5
V
DDGE
/2
Max
5.0
—
—
Unit
ns
ns
ns
57
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