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PCIMX258CJM4A 데이터시트(PDF) 118 Page - Freescale Semiconductor, Inc

부품명 PCIMX258CJM4A
상세설명  i.MX25 Applications Processor for Consumer and Industrial Products
PDF  144 Pages
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PCIMX258CJM4A 데이터시트(HTML) 118 Page - Freescale Semiconductor, Inc

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i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 3
118
Freescale Semiconductor
Table 89 shows the OTG port timing specification in DAT_SE0 bidirectional mode.
3.7.20.1.2
DAT_SE0 Unidirectional Mode Timing
Table 90 defines the DAT_SE0 unidirectional mode signals.
Figure 91 shows the USB transmit waveform in DAT_SE0 unidirectional mode diagram.
Figure 91. USB Transmit Waveform in DAT_SE0 Unidirectional Mode
Table 89. OTG Port Timing Specification in DAT_SE0 Bidirectional Mode
No.
Parameter
Signal Name
Direction
Min.
Max.
Unit
Conditions/
Reference Signal
US1
Tx rise/fall time
USB_DAT_VP
Out
—
5.0
ns
50 pF
US2
Tx rise/fall time
USB_SE0_VM
Out
—
5.0
ns
50 pF
US3
Tx rise/fall time
USB_TXOE_B
Out
—
5.0
ns
50 pF
US4
Tx duty cycle
USB_DAT_VP
Out
49.0
51.0
%
—
US5
Enable Delay
USB_DAT_VP
USB_SE0_VM
In
—
8.0
ns
USB_TXOE_B
US6
Disable Delay
USB_DAT_VP
USB_SE0_VM
In
—
10.0
ns
USB_TXOE_B
US7
Rx rise/fall time
USB_DAT_VP
In
—
3.0
ns
35 pF
US8
Rx rise/fall time
USB_SE0_VM
In
—
3.0
ns
35 pF
Table 90. Signal Definitions—DAT_SE0 Unidirectional Mode
Name
Direction
Signal Description
USB_TXOE_B
Out
Transmit enable, active low
USB_DAT_VP
Out
Tx data when USB_TXOE_B is low
USB_SE0_VM
Out
SE0 drive when USB_TXOE_B is low
USB_VP1
In
Buffered data on DP when USB_TXOE_B is high
USB_VM1
In
Buffered data on DM when USB_TXOE_B is high
USB_RCV
In
Differential Rx data when USB_TXOE_B is high
USB_DAT_VP
USB_SE0_VM
US9
US10
Transmit
US12



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