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PCIMX258CJM4A Datasheet(PDF) 43 Page - Freescale Semiconductor, Inc

Part # PCIMX258CJM4A
Description  i.MX25 Applications Processor for Consumer and Industrial Products
PDF  144 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PCIMX258CJM4A Datasheet(HTML) 43 Page - Freescale Semiconductor, Inc

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i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 3
Freescale Semiconductor
43
Figure 9 and Figure 10 show write 1 and read sequence timing, respectively. Table 32 describes the timing
parameters (OW7–OW8) that are shown in the figure.
Figure 9. Write 1 Sequence Timing Diagram
Figure 10. Read Sequence Timing Diagram
3.7.2
ATA Timing Parameters
Table 33 shows parameters used to specify the ATA timing. These parameters depend on the
implementation of the ATA interface on silicon, the bus buffer used, the cable delay and cable skew.
Table 31. WR0 Sequence Timing Parameters
ID
Parameter
Symbol
Min.
Typ.
Max.
Units
OW5
Write 0 Low Time
tWR0_low
60
100
120
μs
OW6
Transmission Time Slot
tSLOT
OW5
117
120
μs
Table 32. WR1 /RD Timing Parameters
ID
Parameter
Symbol
Min.
Typ.
Max.
Units
OW7
Write 1 / read low time
tLOW1
15
15
μs
OW8
Transmission time slot
tSLOT
60
117
120
μs
OW9
Release time
tRELEASE
15
—
45
μs
OW7
OW8
1-Wire bus
(OWIRE_LINE)
OW7
OW8
OW9
1-Wire bus
(OWIRE_LINE)



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