MCIMX27 Motorola Semiconductor Products, MCIMX27 Datasheet - Page 97

• Manufacturer Part Number: MCIMX27
• Manufacturer: Motorola Semiconductor Products

3.5.20.2
Freescale Semiconductor
TX Duty Cycle
Enable Delay
Disable Delay
RX Rise/Fall Time
RX Rise/Fall Time
Parameter
USB_TXOE_B
USB_SE0_VM
USB_DAT_VP
USB_RCV
USB_VM1
USB_VP1
Table 51. OTG Port Timing Specification in DAT_SE0 Bidirectional Mode (continued)
Name
DAT_SE0 Unidirectional Mode
Figure 61. USB Transmit Waveform in DAT_SE0 Unidirectional Mode
Table 52. Signal Definitions—DAT_SE0 Unidirectional Mode
USB_SE0_VM
USB_SE0_VM
USB_SE0_VM
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
USB_DAT_VP
Signal Name
i.MX27 Data Sheet, Advance Information, Rev. 0.1
Preliminary—Subject to Change Without Notice
Direction
Out
Out
Out
In
In
In
Direction
Out
In
In
In
In
Buffered data on DM when USB_TXOE_B is high.
Buffered data on DP when USB_TXOE_B is high.
Differential RX data when USB_TXOE_B is high.
SE0 drive when USB_TXOE_B is low.
49.0
Min
TX data when USB_TXOE_B is low.
—
—
—
—
Transmit enable, active low
Signal Description
Max
51.0
10.0
8.0
3.0
3.0
Unit
ns
ns
ns
ns
%
USB_DAT_VP
USB_SE0_VM
Signal Descriptions
Reference Signal
USB_TXOE_B
USB_TXOE_B
Conditions/
35 pF
35 pF
—
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