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IMX27L Datasheet(PDF) 49 Page - Freescale Semiconductor, Inc

Part # IMX27L
Description  Multimedia Applications
PDF  122 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

IMX27L Datasheet(HTML) 49 Page - Freescale Semiconductor, Inc

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Signal Descriptions
i.MX27/i.MX27L Data Sheet, Advance Information, Rev. 1
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
49
Figure 6 depicts Write 1 Sequence timing, Figure 7 depicts the Read Sequence timing, and Table 18 lists
the timing parameters.
Figure 6. Write 1 Sequence Timing Diagram
Figure 7. Read Sequence Timing Diagram
3.5.3
ATA Electrical Specifications
This section describes the electrical information of the Parallel ATA module compliant with ATA/ATAPI-6
specification.
NOTE
The parallel ATA module is not available on the i.MX27L.
Parallel ATA module can work on PIO/Multi-Word DMA/Ultra DMA transfer modes. Each transfer mode
has different data transfer rate, Ultra DMA mode 4 data transfer rate is up to 100 MB/s. Parallel ATA
module interface consist of a total of 29 pins, Some pins act on different function in different transfer
Table 17. 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 18. Write 1/Read 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
One-Wire bus
(BATT_LINE)
OW7
OW8
OW9
One-Wire bus
(BATT_LINE)



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