MCIMX253DJM4 Freescale, MCIMX253DJM4 Datasheet - Page 119
MCIMX253DJM4
Manufacturer Part Number
MCIMX253DJM4
Description
Manufacturer
Freescale
Datasheet
1.MCIMX253DJM4.pdf
(154 pages)
Specifications of MCIMX253DJM4
Operating Temperature (min)
-20C
Operating Temperature (max)
70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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Table 91
3.7.20.1.2
Table 92
Figure 91
Freescale Semiconductor
US1
US2
US3
US4
US5
US6
US7
US8
No.
Transmit
USB_SE0_VM
USB_DAT_VP
USB_TXOE_B
USB_SE0_VM
USB_DAT_VP
USB_VM1
USB_RCV
USB_VP1
shows the OTG port timing specification in DAT_SE0 bidirectional mode.
defines the DAT_SE0 unidirectional mode signals.
shows the USB transmit waveform in DAT_SE0 unidirectional mode diagram.
Name
Rx rise/fall time
Rx rise/fall time
Tx rise/fall time
Tx rise/fall time
Tx rise/fall time
Disable Delay
Enable Delay
Tx duty cycle
Parameter
DAT_SE0 Unidirectional Mode Timing
Table 91. OTG Port Timing Specification in DAT_SE0 Bidirectional Mode
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 7
Figure 91. USB Transmit Waveform in DAT_SE0 Unidirectional Mode
Table 92. Signal Definitions—DAT_SE0 Unidirectional Mode
USB_TXOE_B
USB_SE0_VM
USB_SE0_VM
USB_SE0_VM
Direction
USB_SE0_VM
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
Signal Name
US12
Out
Out
Out
In
In
In
Transmit enable, active low
Tx data when USB_TXOE_B is low
SE0 drive when USB_TXOE_B is low
Buffered data on DP when USB_TXOE_B is high
Buffered data on DM when USB_TXOE_B is high
Differential Rx data when USB_TXOE_B is high
Direction
Out
Out
Out
Out
In
In
In
In
US9
Min.
49.0
—
—
—
—
—
—
—
Signal Description
Max.
51.0
10.0
5.0
5.0
5.0
8.0
3.0
3.0
Unit
ns
ns
ns
ns
ns
ns
ns
%
US10
Reference Signal
USB_TXOE_B
USB_TXOE_B
Conditions/
50 pF
50 pF
50 pF
35 pF
35 pF
—
119
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